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BÀI GIẢNG TC CÂU
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7/18/2019 Bai Giang Thi Cong Cau
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Trng HGTVTB mn CT GTTP
d
Trng i hc Giao thng Vn ti
Khoa Cng Trnh
B mn CNG TRNH G!" THNG TH#NH $H%
B#i ging thi cng c&'Bi(n )on * V+ ,'ang Tr'ng-
B mn Cng trnh GTT$. i hc Giao
thng Vn ti-
B#i Ging Thi Cng C&'
/
0
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Trng HGTVTB mn CT GTTP
H# Ni 0112
ni d'ng mn hc 60Ch34ng * Cng t5c 6o 6c trong thi cng c&' 7 Vai tr, yu cu, ni dung ca cng tc !c 1
7-7 . 8nh 98 m%: tr; tr3
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Trng HGTVTB mn CT GTTP
68nh -W-0. Bin Fh5F thi cng 6c h[ng - 3W-A. Bin Fh5F thi cng 6c 6Q_ - 2W-L. Bin Fh5F thi cng 6c tr(n 6 gi5o di 6ng - 2
Ch34ng V- thi cng c%ng tho5t n3
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Trng HGTVTB mn CT GTTP7-7- Vai tr: _(' c&' 9# ni d'ng ca cng t5c 6o 6c *
1.1. 1.Vai tr ca cng tc o c:
- 7$8m 9m :9 ;a#
- !c ;c >n$ ./c$ t$1c $4n$ $+c ca mi : &$n cng tr4n$ t$I
tUng :1c t$i cng#
- iWm tra $4n$ d!ng, ./c$ t$1c ca cc c6u .iEn c$( t! Xn dKc a t1i Y
dOng 23 cng tr4n$#
- >n$ 2> trn t$'c >a cc cng tr4n$ &$O t!m trng t$i cng n$ ng
trn$, ng cng 2O, .$ :i 2t iEu###
-
7g3i ra, cng tc !c cn c* n$iEm 2O ;c >n$ .$-i Kng cng tc$3n t$3n$ &$Oc 2O t$ tOc ng$iEm t$u#
7-0- Nhng t#i Di' c&n thiJt Fh;c 9; cng t5c 6o 6c *
1.2.1. Nhng ti i!u ch" d#n cn thi$t
- Z n t$i(t .( .[ t$ut, t$i(t .( t$i cng#
- B4n$ Z .$u 2'c cu#
- \% Z :- tr/ 23 c* t$uy(t min$ cc y(u t- ca ng n !c#
- B9n a t! 23 ca cc c+c m-c trn ng n !c#
-
Cc y(u t- ca ng n !c#
B#i Ging Thi Cng C&'
/
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Trng HGTVTB mn CT GTTP- 7(u >a c$6t &$Lc t!& t$4 cn :- tr/ ng tim &$O W J &$ng m6t
m-c#
1.2.2. %uy &nh 'i ()i cc c*c +'c:
- C+c m-c :8ng g, t$]& $@c BTCT# C+c Kc c$n n$#
- HE t$-ng c+c m-c in $E 21i n$au t$3n$ 1i .$-ng c$( 2> tr/ cu#
c$/n$ ;c ca 1i tam gic &$O t$uc 23 23 d3i c% tuy(n# 7(u >a
$4n$ .$ng c$ &$]& d`ng $E t$-ng 1i tam gic t$4 c* t$W & 1i tL gic#
- ng c% tuy(n c* t$W d'ng t $ai :n m]& n1c, n(u c* :i gia t$4 c%
tuy(n nn d'ng *#
1.2.3. %uy &nh (, t" ! -nh / ( 0' ng c*c +'c:
Tb E
:4n$
Z
Q!i cng
tr4n$
\- Kng c+cVt iEu
3m c+c+c tim cu C+c m-c
"R"000
C-ngCu Q^0m
) c+c " c+c g
Cu trung
Qe^0"00m
5 c+c
?) c+c mi
:A
" c+c mi : g
"R)000Cu 1n
Qe"0000m
5 c+c
?) c+c mi
:A
" c+c mi : BTCT
"R^000Cu 1n
Qe^0"00m
5 c+c?) c+c mi
:A
) c+c mi : BTCT
ng u
cu ) c+cf ".m " c+cf ".m
7-A- 8nh 98 tim m% tr; c&' *
Tu t$I iJu .iEn c* t$W & dOng cc :iEn &$& n$ au R
1.3.1. hng 4h4 o tr5c ti$4 :
- & dOng R .$i c$iJu d3i cu d1i "00m, iJu .iEn >a $4n$ t%ng -i
:8ng &$hng, t$un tiEn c$ 2iEc i !i#
B#i Ging Thi Cng C&'
/
5
Tim cu Tim cuH0
H"
H) H
H5
H^
Tim cuTim cuH0
H"
H)
H
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Trng HGTVTB mn CT GTTP- C$iJu d3i cu 23 .$9ng cc$ gia tim cc m- trO Kc :8ng t$1c t$]&
.(t $K& 21i my .in$ 2 ngjm $1ng t$hng# 7(u trng .$u 2'c ng& n1c
t$4 2iEc 23 n$ d6u Kc t$'c $iEn trn cu t!m :8ng g ?c6 tr7
g8 trn 9 121c+; ho1=?1@>1@c+; ( +n$
:8ng in$ *ng cc$ n$au ^m#- >n$ 2> cu n$_ R
TU c+c m-c gn n$6t dSn ra t6t c9 tUng 2> tr/ tim m-, tim trO :8ng
cc$ $ai n c* .in$ 2 ngjm $1ng#
@t my .in$ 2 t!i tUng m- 23 trO W ;c >n$ 2> tr/ cc c+c $ai
&$/a t$Kng 23 $! u cu, mi &$/a *ng ) c+c W .$-ng c$( ng
tim m-, tim trO# T$ng t$ng ngjm t$I $1ng 2ung g*c 21i tim cu,
trU n$ng trng $K& cu @t c$] tim trO $K& 21i tim cu mt g*c ;c
>n$#
" k)0m " k)0m
"^k)
0m
c+c .$-ng c$(ng tim m- trO
H7-)4 6 68nh 98 c&' nh
- >n$ 2> cu trung 23 cu 1n ngay trn m@t :8ng t$'c >a R
& dOng .$i c* t$W .$9ng cc$ :8ng t$1c#
ng tim d+c cu d'a t$I $E t$-ng c+c m-c d t 26n t$i(t .( & ra
tU tr1c#
C$iJu d3i cu, .$9ng cc$ l tU c+c m-c u (n tim m- 23
.$9ng cc$ gia cc tim m-, trO Kc :8ng t$1c t$]& .(t $K& 21i
my .in$ 2 ngjm $1ng# d3i $ai n t$I $1ng i 23 $1ng 2J, .(t
Mu9 Kc $iEu c$n$ t$I n$iEt mi trng t!i t$i iWm ,
d-c >a $4n$ 23 'c .] cng ca t$1c .$i # T-t n$6t 3 .] t$1c
t$I &$%ng n8m ngang 21i 'c .] Muy >n$ 23 d`ng dn$ 2> tr/ cc c+c $ai
&$/a t$Kng 23 $! u cu, mi &$/a *ng ) c+c W .$-ng c$( ng
tim m-, tim trO# T$ng t$ng ngjm t$I $1ng 2ung g*c 21i tim cu,
trU n$ng trng $K& cu @t c$] tim trO $K& 21i tim cu mt g*c ;c
>n$#
B#i Ging Thi Cng C&'
/
^
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Trng HGTVTB mn CT GTTP- >n$ 2> cu trung 23 cu 1n .$i c* cu t!m R
T!i cc 2> tr/ ng& n1c nng c* t$W Y dOng cu t!m W &$Oc 2O cng
tc !c
Cu t!m cc$ cu
c$/n$ tU )00m,
t$ng t$ng cut!m ng ng cu
c$/n$#
TU cc m-c , B &
trOc &$O o, Bo trn
cu t!m :8ng $E
ng n !c
tL gic BoBo# Trn
trOc &$O , B c' y ;c >n$ $4n$ c$i(u ca cc tim m-, trO ca cu
c$/n$ p, T", T)pn# @t my .in$ 2 t!i cc iWm 2Ua ;c >n$
ngjm g*c 21i trOc B, *ng cc c+c >n$ 2> tim m-, trO $ai
&$/a t$Kng 23 $! u cu#
7(u t!i cng trng c* Xn " cu cq n8m gn cu m1i t$4 nn d`ng
cu cq t$ay c$ cu t!m#
1.3.2. hng 4h4 o gin ti$4 :
-
& dOng R -i 21i cu trung 23 cu 1n c* >a $4n$ &$Lc t!&, n1c ng&
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Trng HGTVTB mn CT GTTP
Cu 1n d`ng m!ng 1i tL gic# $i c* :i nFi t$4 d`ng m!ng 1i trung
tn$ Mua
ng#
+ pi tim trO, m- Kc gia $i t-i t$iWu ng ngjm tU m-c n$
ca m!ng# \ai - iWm gia $i .$ng Mu ",^cm#
- Cc$ ;c >n$ tim m-, trO cu :8ng &$%ng &$& gia $i $1ng ngjm R
p T" T) p
C
p T" T) p
B#i Ging Thi Cng C&'
/
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Trng HGTVTB mn CT GTTP1.3.3. Bc &nh ti+ +' tr7 cu cong :
- Cn t$-ng n$6t cc @c iWm R
+ iWm gia ca trOc d+c ng cng 23 trOc d+c m-, trO 3 tim m- trO
cu#
+ TrOc ngang m- trO 6y 2ung g*c trOc d+c t!i tim m-, trO#
+ Q6y tim ng cng trn cu 3m trOc d+c cu#+ H1ng :n ./n$ ng cng 3 trOc d+c m- trO#
+ Ti(& tuy(n ng cng t!i tim m- trO 3 trOc ngang m- trO#
- Trn c% *, cc - iEu W >n$ 2> m-c 23 tim m- trO 3 R
+ $9ng cc$ tim cc m- trO#
+ QN tr4n$ cc iWm#
+ ng tn, cung t%ng Lng ca n$>& cu#
- Cc &$%ng &$& >n$ 2> tim m-, trO R
p
T" T)
p5 p p^
T"
T) T,
T5
p
T"oT"
T)o
T)
p,
T
p p^
T"
T) T,
T5
p p^
T"
T) T,
T5T,oo
T,oT,ooo
C
B
a :
c
aR &$u%ng &$& a gi c
d
I
:R &$u%ng &$ & ti(& tuy(n
cR &$u%ng &$ & d
+ P$%ng &$& ti(& tuy(n R V> tr/ ca m- trO Kc ;c >n$ t$I m-c#
'a 23 g*c n$ , :n ./n$ cng v ;c >n$ Kc Tev# tg2
23
cc y(u t- ca ng cng# @t my .in$ 2 t!i m g*c 21i ti(&
B#i Ging Thi Cng C&'
/
w
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Trng HGTVTB mn CT GTTP
tuy(n p0, c$iJu d3i T ;c >n$ Kc p0# V> tr/ tim trO T", T)###Kc
;c >n$ :8ng &$%ng &$& t! 2ung g*c# TrOc t! t$ng
c$+n 3 ti(& tuy(n p0#
+ P$%ng &$& dn$ Kc cc
y(u t- ca tam gic Bx, tU * ;c >n$ ta $4n$ &$Lc t!&,
n1c ng& n$t! cc n$ t$I mt $E t! t$un Ki#
- 7$ng yu cu .[ t$ut .$i >n$ 2> tim m- trO cu cng R
+ 7(u d`ng &$%ng &$& d
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Trng HGTVTB mn CT GTTP
!c c$/n$ 23 &$O in $E t$-ng n$6t 21i n$au# pi :n m- :jt :uc &$9i
c* mt m-c ca !c &$O#
- T3n : $E t$-ng m-c ca !c 21i ai - t$I Muy tr4n$ 3 )0# L ?QR
.$9ng cc$ ca !c t/n$ :8ng mA 23 "0mm#
- -i 21i t$i cng trO t$4 cn @t n$ng m-c mLc t$6& 23 mLc ca#
- ViEc ca Kc ti(n $3n$ ) n :8ng my t$ub :4n$ c*
c$/n$ ;c t$I yu cu t%ng Lng#
7-L- o 6c trong >'5 trnh thi cng *
CD th5c hi!n t't cng tc ny cn 4hEi E+ -Eo cc yu cu 0au :
- Nghin cFu GH ( nI+ (ng / n thi$t G$ GH thuJt ( thi$t G$ tK
chFc thi cng.
- Nghin cFu GH th5c &aL nI+ (ng i,u Gi!n &a hnhL i,u Gi!n
i chMt thu (OnL diPn -i$n thQi ti$t ( tnh hnh +
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Trng HGTVTB mn CT GTTP- \au .$i 3 $- m*ng &$9i Kc !c
;c >n$ !i 2> tr/ ca m*ng W 2iEc
;n$ 2> tr/ 23 *ng
) c+c u tin, .(t $K& 21i .iWm tra tr'c ti(& c$i(u Mua ng tim d+c
23 ng tim ngang ca m-, trO ;c >n$ tU tr1c#
- 7$ng c+c Kc c$+n *ng tr1c 3 cc c+c t$hng Lng 23 cc$ ;a n$au#
- TU $ai c+c n3y dSn ra cc c+c .$c trng :i c+c#
- Trng .$i d'ng c+c cn .iWm tra &$%ng ca c+c :8ng my .in$ 2, trngu-t t$i gian *ng c+c cn t$I dzi 2> tr/ ca c+c W &$t $iEn 1m
cc ai Ec$ 23 c* :iEn &$& iJu c$n$ .>& t$i#
- Gn 2> tr/ n$*m c+c cn d'ng m-c ca !c &$O W t$I dzi ca
u c+c trng Mu tr4n$ *ng#
- Trng $K& *ng c+c trn &$a, W iJu c$n$ gi :=a ang trI c+c
i 23 =ng 2> tr/ *ng, nn d`ng $E t$-ng nI ti :- tr/ 5 g*c ca
$E nFi, .$i 23 =ng 2> tr/ t$4 cc ti Kc $m !i 23 nI c- >n$
gi :=a mt 2> tr/ *ng#- T%ng t' -i 21i c+c .$an n$Zi#
1.A.2.2. C&nh (& Ghi h c*c c6 Ghung d#n h)ng :
- C$ y(u 3 !c c$( t! .$ung 23 >n$ 2> .$i j& d'ng n* t!i 2> tr/
m*ng#
- 7(u m*ng .$ng ng& n1c t$4 .$ung dSn $1ng Kc j& d'ng t!i c$, au
* c$n$ cc ng tim ca .$ung tr`ng 21i ng tim ca m*ng Kc
;c >n$ tU tr1c# \au *, .$ung dSn $1ng Kc c- >n$ :8ng n$ng c+c
>n$ 2> .$ng c$ .$ung ; d>c$ $@c$ ; d>c$# Cc .$ang :- tr/trng .$ung W uZn c+c Mua * :uc &$9i $! c+c ;u-ng =ng 2> tr/ 23
t$I =ng $1ng#
- !c /t n$6t $ai n#
- Trng &$!m 2i ng& n1c, n(u n1c nng t$4 c* t$W j& 9 23 ti(n $3n$
>n$ 2> .$ung n$ trn c!n#
B#i Ging Thi Cng C&'
/
""
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Trng HGTVTB mn CT GTTP
p T" T) p, B
C+c >n$ 2>.$ung dSn $ 1 ng
C+c >n$ 2>.$ung dSn $ 1 ng
- 7(u n1c ng& $! c+c# $ung dSn
$1ng c$( t! 23 j& Xn trn : 23 a 23 2> tr/ :8ng $E nFi# T$9 5
nI >n$ 2> 5 g*c ca $E nFi W nI gi t!m .$ung# `ng my .in$
2 W >n$ 2> tim 23 iJu c$n$ $1ng ca .$ung tr`ng 21i cc ng
tim ca m*ng, d`ng 5 nI 5 g*c $E nFi W iJu c$n$# *ng cc c+c
>n$ 2> .$ung dSn $1ng, cc c+c n3y *ng cc$ cc t$an$ ca .$ung"0)0cm W iJu c$n$ ai Ec$# $i !t Kc 23 2> tr/ t$4 d`ng g
n 23 n$ng .$9ng $ n3y 23 d`ng :u ng ;i(t c$@t c- >n$ 2>
tr/#
2ng 2 :8ng &$%ng &$& gia
$i tia ngjm, a c+c tiu >n$ t tr/ tim ca m*ng#
- P$]& gia $i Kc .iWm tra :8ng cc c+c trng $E t$-ng c+c >n$ 2>
trO Kc ;c >n$ tU tr1c, ngjm t$ng Mua n$ng 2!c$ t$hng Lngtrn t$3n$#
B#i Ging Thi Cng C&'
/
")
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Trng HGTVTB mn CT GTTP- 7(u c$!m y m3 ai Ec$ t$4 nn$ ; d>c$ ca c+c
t$I m@t :8ng 23 ng$ing ca c+c t$I ) m@t &$hng t$hng Lng#
p T" T) p B
nI
&$a cng t c
gi(ng c$4m c$ nFi
1.A.A. Co c cc Gch th)c G$t cMu :
- Ba gZm cc cng tc au R
+ !c ./c$ t$1c, ca ca cc &$n m*ng, t$ tr/
@t g-i, .$9ng cc$ tim gia cc m-, trO###
+ !c ./c$ t$1c, $4n$ d!ng ca cc .(t c6u c$( t! Xn Kc a t1icng trng#
+ Ca !c n$ng 2> tr/ Muan tr+ng, .$-ng c$( n$ng 2> tr/ .$c ca
.(t c6u n$>& n$ y dm, n$ dm, m@t cu#
+ !c ;c >n$ ./c$ t$1c, $4n$ d!ng ca cc c6u .iEn =c t!i cng
trng n$ n$>& dm BTCT, :9n m@t cu, J ngi i, d9i &$ tr/, ./c$ t$1c 2n .$un, c' y @t c-t t$]& trng
.$i t$i cng#
- Cng tc !c cc : &$n, c$i ti(t cn Kc ti(n $3n$ t$I tUng :1c
c`ng 21i Mu tr4n$ t$i cng#
- T$ng !c >n$ 2> m*ng m- trO t$ng c$a c$/n$ ;c d iJu .iEn
.$* .$n# \au .$i 3 ;ng $- m*ng $@c *ng c+c ;ng, ti(n $3n$
;n$ !i W $iEu c$n$ c$ 2> tr/ c$/n$ ;c $%n# \au
.$i ;
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Trng HGTVTB mn CT GTTP- V1i cu t$]& j& t!i c$ i $_i !c c' y gia cc g-i cu t$t c$/n$
;c# ca . t!i cc c$Zng nJ W .iWm tra t! 2Zng# P$9i t$ng
;uyn t$I dzi 2zng ca n$>& trng Mu tr4n$ j& $Sng W .>& t$i
iJu c$n$# Cng tc !c Kc ti(n $3n$ t$I tr4n$ t' t$i(t .( J
ra, mi - iEu &$9i Kc /t n$6t ) n#
- Trng t$i cng =c $Sng .(t c6u n$>& BTCT, cn .iWm tra ngay .$ij& d'ng 3 gi 23 2n .$un ;c >n$ c$/n$ ;c cc ca , $1ng
ca n$>& 23 $4n$ d!ng .(t c6u# \au .$i =c ;ng mi -t, au .$i cng
.] mi Kt c-t t$]& Ju &$9i .iWm tra !i ca 23 2> tr/ n$>
- Trng t$i cng =c {y c3n c$= N R
+ V> tr/ 23 ca :E =c#
+ V> tr/ 23 ca ca cc O trKt trn n$ trO# c$/n$ ;c 6y ca
g6& ) n 21i !c t$ng t$ng#
7-- chnh 5c trong 6o 6c*Yi oi G$t cMu ( +8i dng cng trnh i hi +Fc chnh >c Ghc
nhau. Ci,u Gi!n D E+ -Eo chnh >c theo yu cu : E+ -Eo (,
+c o di :
- Ong cO tr1c .$i cn Kc c$u{n !i 23 $iEu c$n$ .(t Mu9 t$I
n$ng y(u t- 9n$ $ng au R
+ HiEu c$n$ d n$ng n .$c n$au#
+ dn d3i ca t$1c d c$n$ Ec$ n$iEt .$i 23 .$i c$u{n t$1c#+ d-c ca ng 21i m@t :8ng#
- 7(u :8ng mt !i dOng cO t$4 &$9i t$I $ai $1ng R $1ng i 23
$1ng 2J# 7(u :8ng $ai $@c n$iJu dOng cO t$4 c$ cn t$I
mt $1ng#
- $i & m!ng 1i tam gic !c, cc ai - d3i .$ng Kc 1n $%n cc tr>
- au R
C$iJu d3i cu ?mA
\ai - c$ &$]&
$i c$iJu d3icu
$i c$iJu d3i c%tuy(n
Q )00 " R^000 " R"0000
)00 Q^00 " R"^000 " R0000
^00Q"000 " R)^000 " R^0000
Q|"000 " R50000 " Rw0000
B#i Ging Thi Cng C&'
/
"5
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Trng HGTVTB mn CT GTTP- -i 21i cu d3i .$ng Mu "00m, .$i .$9ng cc$ gia cc m-c >n$
2> tim cu, .$9ng cc$ gia tim cc m-, trO ai - t%ng -i .$ng Mu
" R^000#
- -i 21i cu d3i trn "00m, .$i .$9ng cc$ gia cc m-c >n$ 2> tim
cu 23 &$n trn ca trO &$9i Kc !c 21i ai - n$_ $%n tr> - c$
&$]& au R+ Cu dm t$]& 23 BTCT, 2> tr/ tim . g-i ; d>c$ trng .$9ng
^cm#
+ Cu 2m 23 cu .$ung =c t!i c$, ai - !c &$9i n$_ $%n tr>
- t/n$ t$I cng t$Lc R2
0,56000
LnhipL n
= +
?cmA
+ Cu 2m 23 cu .$ung :8ng t$]& $@c BTCT :E . g-i c* ./c$ t$1c
r6t $!n c$( , ai - !c &$9i n$_ $%n tr> - t/n$ t$I cng t$Lc R2
0,510000
LnhipL n
= +
Trng * R Qn R C$iJu d3i mi n$>& ?cmA#
n R - n$>& trn !n cn &$9i #
- $i >n$ 2> tim m*ng m- trO, tr> - ai - d3i c$ &$]& Kc 6y
g6& i#
- (t Mu9 d3i :8ng t$1c t$]& 21i 'c cng .] tiu c$u{n 3 ^07 &$9i
$iEu c$n$ t$I n$iEt 23 d-c m@t 6t d+c $1ng t$I cng
t$Lc R
5
0. 1, 25.10 .( ). ..
hL n l t t n l d
n l
= +
Trng * R Q R C$iJu d3i cn #
n R \- n .] t$1c ?$(t c$iJu d3i !n t$1cA
R c$iJu d3i t$1c Kc c$u{n
t R n$>t mi trng =c t0 R n$iEt mi trng =c c$u{n t$1c#
H R mLc c$n$ ca gia $ai u t$1c trng mi n .] t$k
1c#
d R !n d n .] cu-i#
[email protected]. C chnh >c o g6c :
- Cng tr4n$ c3ng 1n t$4 yu cu c$/n$ ;c .$i g*c c3ng ca#
- \ai - .$i g*c trng m!ng 1i !c, .$]& g*c -i 21i mi tam
gic trng m!ng 23 yu cu my m*c t%ng Lng 21i mi !i cng tr4n$ 3R
B#i Ging Thi Cng C&'
/
"^
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Trng HGTVTB mn CT GTTP
C$iJu d3i
cu ?mA
\ai - .$i
g*c
?A
.$]& g*c
trng tam gic
?A
Ong cO
\- n
Muay
2ng
Q )00 )0 ^ T$1c t$]&, .in$ 2 0 ) n)00 Q
^00
"0 T$1c t$]&, .in$ 2 "0
^00Q"00
0 ^
c o cao :
- Ca ca cc m-c ca !c trng &$!m 2i cu &$9i Kc m*c n-i 21i
n$au, ai - .$ng Kc 2Kt Mu tr> - t$I cng t$Lc R
h L = ?mmA 23 .$ng 1n $%n "0mm#
Trng * R Q R .$9ng cc$ ca !c ?mA
- Cc m-c ca !c &$O &$9i m*c tU m-c g-c 23 /t n$6t ) n, ai -
.$ng Mu "^mm#
- V1i cu d3i trn )00m, trn mi tng m- @t mt m-c ca !c# P$9i ca
!c cc m-c n3y 21i n$au 23 m-c g-c .$ng /t $%n n, ai - :4n$
Muan .$ng 1n $%n "0mm#
Ch 4ng 0* thi cng m?ng m% tr; c&'-0-7- Thi cng m?ng =h%i tr(n n@n thi(n nhi(n *
0-7-7- Oc 6im ca m?ng =h%i *
p*ng .$-i 3 !i m*ng c* t$W @t tr'c ti(& trn nJn t$in n$in, Kc
d`ng c$ n$ng trng $K& nJn 6t c$>u 'c d1i y m*ng n8m cc$ m@t
6t t$in n$in .$ng Mu m, 1& n3y c* t$W 3 nJn 6t t-t $@c nJn
#
T$ng t$i cng trng iJu .iEn .$ c!n $@c n1c ng& nng# P$n 1n
3 nJn n$ m*ng cu 2m >a $4n$ Zi n=i# 7* 3 !i m*ng c* .$-i Kng t$i cng 1n, diEn t/c$ y m*ng
w0")0m), .$-i Kng : tng F t!i c$F r6t 1n#
BiEn &$& t$i cng m*ng .$-i n Kt 3 R t$i cng $- m*ng, ;Y N y
m*ng, j& d'ng 2n .$un, F : tng :E m*ng, c$-ng t$6m 23 j&
6t $- m*ng#
Trng mi :1c t$i cng W 'a c$+n :iEn &$& t$i cng t$/c$ $K& cn
cn cL n$ng y(u t- au R
+ /c$ t$1c m*ng R iEn t/c$ y 23 c$iJu
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Trng HGTVTB mn CT GTTP
+ !ng 6t nJn R !i 6t, Fn >n$ ca mi d-c, c* $ay .$ng c* $iEn tk
Kng ct tri#
+ !ng nJn d1i y m*ng R 3 nJn 6t $ay nJn #
+ iJu .iEn >a $4n$ R :8ng &$hng $ay n d-c, diEn t/c$ m@t :8ng
t$i cng rng $ay c$t $~
+ iJu .iEn t$ub 2n R .$ c!n $ay ng& n1c, trn c!n t$4 c* $ay .$ng$iEn tKng n1c ngm# Trng .$u 2'c ng& n1c t$4 n1c ng& nng $ay
ng& t$i cng R t$i(t :> 3 6y 6t, cng
ng$E c$( t! 23 cung c6& 2a : tng#
0-7-7- Bin Fh5F tU chbc 6#o 6t trong h% m?ng *
2.1.1.1. Co Mt h' +6ng -Rng -i!n 4h4 o trn : Z6 thD dng +yL +y
G$t h4 th cng hoa $4n$
n d-c, @c :iEt 3
m*ng m-#
+ `ng my i c$!y
t$I $1ng cjt ngang n
d-c 3 :!t n d-c $! dn ca t' n$in (n ca m3 c$ &$]&
$- m*ng c* t$W ti(& tOc 3 trn, $@c d`ng c$-ng 2c$ :8ng 2n g,n(u .$-i Kng 3 n$_ ti(n $3n$ 3 :8ng t$ cng 24 .$ng t& .(t
my 23 2> tr/ n3y Kc#
+ 6t 3 an ;u-ng t! m@t :8ng t$i cng, 6t t$9i tU $- m*ng
c* t$W 2n c$uyWn :8ng t$`ng c$La 23 cn c{u#
- 3 $- m*ng :8ng my 3 gu ng$>c$ R
+ P$!m 2i & dOng R
-i 21i >a $4n$ t$i
cng t%ng -i :8ng&$hng, $@c .(t $K&
mi i an t! m@t
:8ng 23 3m ng cng
2O c$ my 3 c`ng 21i
;I c$ 6t i (n m@t :8ng t$i cng#
+ 7$ng iWm cn u N .$i t$i(t .( tF c$Lc Y dOng my 3 R
Tm 21i ca my R .$9 nng 2%n ;a, F ca, 3 (n 2> tr/ t$6&
n$6t #
B#i Ging Thi Cng C&'
/
"
0,^m
k")m
"m
py 3 g3u ng$>c$
ng m@t 6t t' n$in
p@t :8ng 3 :8ng my i
H- m*ng 3 :8ng t$ cng
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Trng HGTVTB mn CT GTTP
V> tr/ Lng ca my 21i m]& $- m*ng 9m :9 Fn >n$ 2c$
ta uy#
ung t/c$ gu 3 23 nng u6t ca my#
ng di c$uyWn ca my W n* c* t$W 3 Kc t6t c9 cc 2> tr/ ca
m*ng#
\- Kng ;I c$ 6t 23 :- tr/ ng 2n c$uyWn#2.1.1.2. Co Mt trong h' +6ng c6 G$t cMu ch'ng (ch :
- Tu 23 .(t c6u .$ung c$-ng
Muy(t >n$ 2iEc c$+n !i my
3 gu ng$>c$ $ay my 3
gu ng@m#
- (t c6u c$-ng 2c$ &$9i c$jc
c$jn 23 :Jn 2ng c$>u Kc & 'c
6t 23 t9i tr+ng t$i cng#- Cn ;Im ;]t c' y gia cc 2ng c$-ng W gu 3 6y 6t mt cc$
d d3ng#
+ Vng c$-ng gZm mt $3ng cc t$an$ c$-ng ngang t! t$3n$ cc .$I
ngang t$4 d`ng my 3 c$!y d+c t$I m]& $- m*ng 23 'a gu 6y
6t t$I cc .$I n3y#
+ Vng c$-ng 3 mt .$ung gZm cc t$an$ c$-ng t$I c$iJu ngang 23
d+c t! t$3n$ cc t$4 .$ng d`ng Kc my 3, .$i * &$9} d`ng my
;=c g3u ng!m 23 t$9 g3u Mua cc W 3 6t#2.1.1.3. Co Mt h' +6ng trong i,u Gi!n ngJ4 n)c :
-T$ng m*ng ng& nng .$ng t$W Y d'ng $E nFi &$Oc 2O t$i cng# C*
t$W 3m 3n ! &$Oc 2O t$i cng, 6y 6t :8ng my 3 Lng trn 3n
! $@c t$i(t :> ;*i $=t#
- T$i(t :> ;*i $=t gZm cc u 2i ;*i n1c W &$ 6t nJn t$3n$ :`n 23
cc $!t ri 23 u $=t t$ub 'c $!t ng :8ng $%i ]
- ng ./n$ -ng $=t )^0 00mm, i .m ng ng 21i -ng $=t 3 ng
-ng dSn $%i ]& ;u-ng (n u $=t ca my#- T!i u $=t -ng $=t Kc m rng 23 ng -ng $%i ]& Kc dSn 23 t$Fi
ngKc n 23 trng -ng $=t t! nn mt :uZng c$
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Trng HGTVTB mn CT GTTP- Cng 2iEc 3 ;ng 3 ti(n $3n$ F : tng :E m*ng# 7(u &$9i c$
mt t$i gian m1i F : tng m*ng t$4 c$Ua !i 0," 0,)m ngay tr1c .$i
F : tng ti(n $3n$ 3 n-t 23 t! &$hng :8ng 1& Em m*ng#
- Vai tr ca 1& Em m*ng R
+ B9 2E nJn 6t d1i y m*ng .$ng :> &$ $!i d i !i dSm
!& trng Mu tr4n$ c$u{n :> F : tng :E m*ng#+ \an &$hng y m*ng, t! t$3n$ 1& *t gi 2E in$ c$ c-t t$]&
23 c$-ng m6t n1c ;i mng# 7* 9m :9 c$6t Kng : tng :E m*ng#
- C6u t! 1& Em m*ng R Ca 1& *t m*ng t$6& $%n ca y :E#
C* ) !i R
+ Hn $K& dm c t c* c$iJu d3y "^cm m c$@t n(u g@& nJn ]t 1t# Tr1c
.$i F 1& dm Em cn $1t :_ 1& 6t n$ :n trn au * r9i 23 an
6n dn#
+ Va : tng mc t$6& d3y "0cm# n$ nn 3 2n y c$ :E m*ng# 7(u :E c* c-t t$]& t$4
&$9i d`ng : tng *t m*ng# B tng *t m*ng F tr'c ti(& 23 nJn 2Ua
3 23 an &$hng 23 2 :8ng m tay# 7(u nJn c* $iEn tKng t$6m t$4
d`ng $n $K& : tng .$ r9i n 23 m, : tng D ng6m 23 nin$ .(t#
- BiEn &$& ;Y N y m*ng 3 nJn
R
+P$9i 3 :*c i 1& &$ng $ ck
ng t$6& :n trn :4n$ Mu
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Trng HGTVTB mn CT GTTPn ca y m*ng# V4 2y &$9i :- tr/ t$ng ;uyn :%m $! m'c n1c
;u-ng t$6& $%n ca y m*ng c$ (n .$i : tng :E m*ng .(t t$=c
nin$ .(t ?.$9ng au 5 giA#
-7(u c$iJu ca $=t n1c d1i m t$ng Y dOng my :%m y t
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Trng HGTVTB mn CT GTTP
+ 7(u Kng n$_ R trn t!i c$#
+ 7(u $!ng mOc 1n R `ng : tng tr!m trn t& trung cng trng#
+ 7(u t$un Ki R Y dOng : tng t%i ca n$3 my#
- Vn c$uyWn 2a tU n%i trn (n 2> tr/ m*ng :8ng cc $4n$ t$Lc R
+ Tr=t tr'c ti(& tU my trn, n(u trn 2a t!i cng trng#
+ B8ng my :%m : tng#
+ B8ng t t' F, n(u c' y 2n c$uyWn )00m#
+ B8ng ;I 2n c$uyWn 2a c$uyn dOng#
- Cc $4n$ t$Lc c6& 2a tU miEng $- m*ng 9m :9 2a .$ng &$a $4n$ d-c#
+ Tr=t 2a 23 t$`ng c$La 23 d`ng cn c{u 2n c$uyWn ;u-ng d1i $-m*ng#
+ `ng my :%m 2a c* Y dOng cn c{u 23 di c$uyWn u
-ng#
+ \Y dOng : tng t%i t$4 ;I c$ 2a c* my :%m ring, :%m tr'c
ti(& 23 $- m*ng#
+ `ng -ng 2i 2i R 2a Kc tr=t tUng 1& 0cm 23 m .[#
- jH thuJt > -, +
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Trng HGTVTB mn CT GTTP- \au .$i m*ng cc$ 2> tr/ pT7 "m 23 Kc ng$iEm t$u t$4 Kc 6& 6t#
- Tr1c .$i 6& 6t &$9i Mu]t n$'a un n*ng c$6m t$6m#
- 6t j& &$9i yu cu .[ t$ut 23 j& t$I t$i(t .(, j& Ju
:-n g*c $- m*ng tUng 1& 0,)m 23 m .[ :8ng tay#
- C$= N Muy tr4n$ j& 6t 23 2iEc t$ cc !i 2n t, c
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Trng HGTVTB mn CT GTTP
+ Cc -ng :- tr/ Muan$ c$u 2i $- m*ng 21i .$9ng cc$ 0,^)m#
+ Cc -ng tUng n$*m mt Kc n-i 21i my :%m ?my :%m y t
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Trng HGTVTB mn CT GTTPo C+c -ng R c+c t$]& $@c : tng c-t t$]&, c$iJu d3y t$3n$ r6t
n$_ 21i ./c$ t$1c ti(t diEn c+c#
C+c Kc c$( t! t$3n$ tUng -t c* c$iJu d3i t-i a 3 ")m W d 2n
c$uyWn 23 &$` $K& c$iJu ca gi :=a , trng Mu tr4n$ $! c+c 23 nJn cc
-t D Kc n-i 21i n$au :8ng m-i n-i t$i cng#
C$= N .$i c$ia -t c+c R cn c* /t n$6t ) !i -t mqi c+c W .$i n-i m-in-i n$ng c+c Lng c!n$ n$au D I n$au#
Cn cL 23 2> tr/ :E m*ng, trng t$i cng c* $ai !i m*ng R
+ p*ng c+c :E t$6& R t$ng y :E n8m t$6& $%n m@t 6t t$inn$in#
+ p*ng c+c :E ca R y :E ca $%n m@t 6t t$in n$in#
Cn cL 23 iJu .iEn >a $4n$ t$i iWm t$i cng c* cc !i m*ng R
+ p*ng c!n#+ p*ng trng 2`ng n1c ng& nng R c$iJu
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Trng HGTVTB mn CT GTTP
+ B1c " R \an i m@t :8ng, &$9i :*c 1& 6t $u c%, :`n n$ W 2iEc
di c$uyWn gi :=a Fn >n$, t$i cng g+n 23 c$ ng trng m+i iJu
.iEn t$i ti(t# \au * !c >n$ 2>
;c >n$ 2> tr/ tim m*ng 23 cc c+c
trng m*ng# p@t :8ng &$9i t$t n1c t-t
23 diEn t/c$ c$ t$i cng# @t ng dic$uyWn gi :=a ?-i 21i !i .$ng t'
$3n$A t$I % Z *ng c+c#
+ B1c ) R j& d'ng gi :=a, di c$uyWn
gi :=a (n 2> tr/ *ng c+c u tin#
'ng c+c 23 2> tr/ 23 *ng c+c cL $(t
c$iJu d3i mt !n c+c t$4 n-i
c$iJu d3i t$i(t .(# $i u c+c cc$
ca t' n$in 0,^m d`ng c+c dSn c$O&n u c+c 23 ti(& tOc *ng =t u
c+c (n ca t$i(t .(# `ng m*c c{u
ca gi :=a r=t c+c dSn# Cc c+c .$c
cqng ti(n $3n$ t%ng t'#
+ B1c R 3 6t $- m*ng W u
c+c 23 t$i cng :E R n(u c$iJu
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Trng HGTVTB mn CT GTTP
+ Cn &$9i Y dOng c+c dSn ? .$ng ;uyn Mua 1& 6tA#
+ P$9i :- tr/ cc my :%m t$t n1c $- m*ng#
- P$!m 2i & dOng R
+ C$iJu
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Trng HGTVTB mn CT GTTPTrng $K& t$ng g@& R c$iJu
mjc c!n# 2y W t$i cng $- m*ng trng n$ng trng $K& n3y c* cc
&$%ng nR
2.2.3.1. C6ng c*c trn 0n o :
- P$!m 2i & dOng R
+ /c$ t$1c $- m*ng $~+ p*ng n8m t :, ca c$uyWn t ngt#
+ Trng $K& .$ng t$W & dOng :iEn &$& j& 9#
- Tr4n$ t' cng ng$E t$i cng R
+ B1c " R `ng :=a rung $! cc c+c t$]& W 3m trO c$ 3n !, d!ng
3n ! c* ca ngang 21i m@t :8ng ca :i t$i cng#
+ B1c ) R Gi :=a j& trn m@t :8ng, di c$uyWn ra 3n ! W *ng
c+c#
p7TC
Cn c{u B=a rung
p7TC
Bu1 c" Bu1 c )
+ B1c R Ti(n $3n$ t$ d mt &$n 3n !, &$n cn !i W cn
c{u di c$uyWn, *ng 2ng 2t y
:8ng :iEn &$& 2a d
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Trng HGTVTB mn CT GTTP- Tr4n$ t' cng ng$E t$i cng R
+ B1c " R Ti(n $3n$ j& 9 6t c* ca $%n p7TC 3 0,^
0,m#
+ B1c ) R `ng gi :=a t' $3n$
c$!y trn :n$ ;/c$ ? c* t6m *t
3m ng di c$uyWnA *ng ccc+c trng $- m*ng#
+ B1c R H! 2ng 2t y :8ng &$%ng
&$& 2a d 23 j& d'ng
mt tng .$ung c$-ng ca 2ng
2t ypy :%m n 1 c
p7TC
Cn c{uB=a rung
C+c 2n t$]&
HEnFiHE nFi
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Trng HGTVTB mn CT GTTP
Lng trn &$a 23 :=a c$6n ng W g$]& 23 rung $! 2ng 2t y :8ng :iEn
&$& 2a dn$ 2> 23 j& d'ng mt tng .$ung c$-ng ca 2ng 2
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Trng HGTVTB mn CT GTTP
t'a 23 $3ng c+c n3y 3m .$ung dSn $1ng rung $! 2ng 2
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Trng HGTVTB mn CT GTTP
/c$ t$1c t$`ng c$O& :8ng ./c$ t$1c :E m*ng cng t$m mi c$iJu
?"",^Am#
Kc g$]& trn m@t n1c 23 $! dn ;u-ng y#
+ Cc$ $! t$`ng c$O& R
+n .$u 2'c y ng, t$9 cc :a t9i ct ;u-ng 6& ;ung Muan$
t$`ng c$O& 3m t$3n$ 2ng c$n$ c$
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Trng HGTVTB mn CT GTTP
B1c R Ti(n $3n$ F 6t (n ca y 1& : tng :>t y 23
au * F : tng :>t y#
B1c 5 R Y N u c+c, ng 2a 3m &$hng m@t : tng :>t y# `ng
t$3n$ t$`ng c$O& 3m 2n .$un t$i cng :E m*ng#
- T$i cng m*ng c+c :E ca d`ng t$`ng c$O& c* y R+ T$`ng c$O& c$/n$ 3 2n .$un :E c+c Kc j& ngay trn u c+c#
+ & dOng R p7TC ng& mt &$n :E c+c, t$ng 3 m*ng trO cu dm
n$>& 2Ua#
+ C6u t! t$`ng c$O& R :a gZm cc 2n t$3n$ :8ng t$]& d'ng trn m@t
2n :8ng g ?$@c t$]&A c* $E dm c* t$W c$>u cc !i t9i tr+ng
n n* n$ tr+ng Kng :E c+c, tr+ng Kng
1& : tng :>t y, tr+ng Kng 2n
.$un t$3n$ 23 t9i tr+ng t$i cng# HE
.$ung dm c* n$iEm 2O ti(& n$n t9i
tr+ng n3y 23 truyJn n cc u c+c
t$ng Mua $E t$-ng ;3 .]& 23 cc
Muang trI trn cc u c+c, n* cn
c* tc dOng W t'a cc c$-ng 2ng
:n ng3i gi c$ t$3n$ 2n# y t$`ng
c$O& c$Ua cc $4n$ 2ung, ./c$ t$k
1c :8ng ",)^ n ./c$ t$1c c+c W dd3ng `a u c+c .$i 2> tr/ c+c c* ai
- .$i *ng# 3 .~& 3 cc t$an$ t$]& Muay ng ]& t 23 m@t c+c
23 d`ng :ung ;i(t c$@t, ;3 .~& &$9i t$hng g*c 21i n$au#
+ Tr4n$ t' t$i cng R
B1c " R *ng c+c trn ;3 an# u
c+c n$ trn m@t n1c#
B1c ) R Qj& $E ;3 .~ @t t$`ng
c$O& n $E ;3 .~& 23 ti(n $3n$2 ./n cc .$I $ ;ung Muan$
B#i Ging Thi Cng C&'
/
)
3 0an
F: tng :>t y
uang trI
3 .~&
Cn c{u Cn c{u F: tng :>t y
B 1 c )B 1 c
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Trng HGTVTB mn CT GTTP
t$t y d3y ^0cm
:8ng :%m 2a $@c :a t9i# $i F : tng cc u t$]& ca
Muang trI in .(t Xn 23 $E .$ung dm 23 c$ n ca .$_i 1&
: tng :>t y ?n(u cc u c+c ca $%n m@t n1c t$4 & u
c+c tr1c 23 j& cc n$n$ Muang trI Mu3ng Mua cc u c+cA#
B1c R B%m c!n n1c trng t$`ngc$O&, 2E in$ m@t : tng 23
ng mt 1& 2a t! &$hng W
3m 2n y 23 c$@n n$ng c$
r r n1c# Y N u c+c n(u tr1c
.$i :%m c!n u c+c :> ng&
trng n1c#
B1c 5 R Qj& d'ng .$ung c-t t$]&
:E c+c 23 t$i cng :E#2.2.@. Vai tr ( cch tnh )4 - tng -&t y :
- Vai tr R
+ C$-ng 'c {y acimIt, gi Fn >n$ c$ nJn d1i y m*ng ?c$-ng
{y :`ngA#
+ Q1& ngn .$ng c$ n1c t$6m 23 $- m*ng tU d1i nJn#
+ T! 2n .$un c$ y :E#
- Cc$ t/n$ R
+ 7(u .$ng ;]t (n d/n$ :m gia : tng 21i c+c R ?Hn$:tA##n $:t##:t
+ 7(u ;]t (n d/n$ :m gia : tng 21i c+c R
?Hn$:tA##n$:t##:t $:t#cc#:t#n $:t#cc##n#m#
Trng * R m R $E - iJu .iEn 3m 2iEc#?0,k0,wA
n k - c+c#
k cng d/n$ :m : tng 21i c+c, t$ng e"0Tfm)#
Hnk c$n$ Ec$ m'c n1c trng 23 ng3i $- m*ng#
$:tk c$iJu d3y 1& : tng :>t y#
k diEn t/c$ $- m*ng#
c+ck diEn t/c$ mi c+c#
:tk tr+ng Kng ring ca : tng#
0-A- Thi cng m?ng cc =hoan nhi*
2.3.1. C
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Trng HGTVTB mn CT GTTP- C+c .$an n$Zi 3 !i c+c BTCT =c c$ trng .$an Xn 23 nJn#
HiEn nay t$ng Y dOng cc !i c+c .$an n$Zi ng ./n$R 0,wm "m
",)m ",^m )m
- C+c c* Lc c$>u t9i 1n $%n r6t n$iJu 21i c+c *ng# V4 2y n* t$ng
Y dOng cu c* .${u n$>& 1n 23 c* c$iJu & 1n, c$>u t9i tr+ng 1n#
2.3.2. Nhng -i!n 4h4 cng ngh! thi cng c*c Ghoan nh/i :
2.3.2.1. Nhng -i!n 4h4 Ghoan to 8 : g/+ hai nh6+ ()i nO+ -i!n 4h4 thi
cng.
- P$%ng &$& t$i cng .$ R & dOng W t$i cng cc c+c ngjn n8m trn
c!n trng * c* $ai :iEn &$& au R
+ $an :8ng my .$an mqi ;jn rut g3, .$ng cn :iEn &$&
c$-ng 2c$, .$an c* ng ./n$ n$_ ^0cm#
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+ 3 gi(ng Lng :8ng t$ cng, c* t$W c* :iEn &$& c$-ng 2c$
:8ng 2n ]& ngang, 3 (n n3y .~&
gi c$@t t$3n$ -ng 23 2Ua ;ay 2Ua ]& -ng ;u-ng :8ng $E t$-ng
./c$ t$ub 'c 23 n* cqng 3 t$i(t :> d`ng W r=t -ng n trng Mu
tr4n$ F : tng c+c#
\au .$i $! (n ca t$i(t .(, y -ng &$9i t$6& $%n ca
y c+c "m#
Tr1c .$i t$i cng &$9i 2E in$ y c+c :8ng :iEn &$& ;*i $=t#
Cc !i my ca cc $ng R QIIr, BauIr#
B#i Ging Thi Cng C&'
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^
py .$an 3 gu
py .$an BauIr
xciatr
u9 :=a
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Trng HGTVTB mn CT GTTP
u iWm R t$3n$ 2c$ un Kc gi Fn >n$, .$an t$hng, c*
t$W .$jc &$Oc Kc $iEn tKng :`n c$9y, ct `n#
7$Kc iWm R gi t$3n$ jt d &$9i .$6u $a -ng c$-ng 2c$, cng
ng$E t$i cng &$Lc t!&, .$ng Mua Kc 1& 6t c* Sn cui _i, c$iJu
n$, c$iJu c$ .$an W c$-ng 2c$, 6t trng .$an :> u
.$an g+t &$ t! t$3n$ m`n .$an 23 :> .$u6y trn Sn c`ng dungd>c$ .$an Kc 6y n :8ng :%m $=t $@c {y# \au .$i jng +ng
dung d>c$ .$an Kc :%m tr !i .$an# C6& dung d>c$ .$an 23
:%m $=t m`n .$an t! t$3n$ mt c$u tr4n$ ./n g+i 3 .$an tun
B#i Ging Thi Cng C&'
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Cng ng$E .$an tun $3n t$un Cng ng$E .$an tun $3n ng$>c$
py .$an GP\ t$I cng
ng$E tun $3n ng$>c$
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$3n# u .$an .$ng 6y n .$_i .$an m3 in tOc ;ay &$ 6t
# Cn cL 23 :iEn &$& 6y m`n .$an c* $ai :iEn &$& R
BiEn &$& tun $3n t$un R ung d>c$ .$an Kc :%m 23 d+c
t$I cn .$a 23 i t$hng ;u-ng d1i, {y m`n .$an trn Sn
dung d>c$ c$9y dc$ .$an r6t dW
m6t n1c d trn Sn m`n .$an, dung d>c$ n t$3n$ :`n n$, c9n
tr u .$an 23 cn .$an 3m 2iEc#
BiEn &$& tun $3n ng$>c$ R ung d>c$ .$an Kc :%m 23 .$an tU &$/a trn miEng 23 c$9y ]& ;u-ng y t!i c$ 23 Kc t$Fi ngKc n d+c t$I cn
.$an :8ng $%i ]& 23 ;9 ra t$I ng -ng dSn 23 :W jng#
ung d>c$ :%m Muay tr !i Y dOng ti(&, 6t t$9i ;9 ra ng3i# u
iWm R dW :9 2E t$3n$ 2c$ .$an, u .$an $!t ng in
tOc nn nng u6t ca, m`n .$an c$ +ng d1i y .$an,
&$/a trn 3 dung d>c$ !c$ nn 2iEc 2E in$ .$an d d3ng# 7$k
Kc iWm R &$9i :- tr/ t$m t$i(t :> c6& $%i ]&, trng Mu tr4n$
:%m c* t$W cu-n c9 n$ng $n Mu c 23 -ng nn d tjc -ng#
& dOng R 6t nJn c* Sn cui _i, .$an 23 nJn , &$` $K& 21i t$i
cng trng iJu .iEn ng& n1c tr/ Fn >n$# 7(u .$an trn m@t :8ng t$4 nJn &$9i Kc an
&$hng 23 m c$@t, n(u 3 nJn j& t$4 &$9i c* t6m *t :8ng tn d3y
)0mm $@c t6m BTCT W my di c$uyWn .$ng :> =n, n(u .$an trn $E
nFi t$4 &$9i nI c- >n$ c`ng 2> tr/ c+c#
2.3.3.1. 'ng ch'ng (ch :
- Vai trR
+ T! t$3n$ 23n$ cF gi c$ 6t nJn Muan$ m]& .$an
.$ng :> & d & 'c m@t 6t 23 n$ng 2a c$!m c% $+c#
+ C$-ng gi 2c$ .$an n8m 1& 6t &$/a trn, t$ng 3 ct c$9y
23 :`n n$#
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Trng HGTVTB mn CT GTTP
+ C$>u & 'c c$ ng ca 6t nJn tc dOng n t$3n$ 2n trng
&$!m 2i m3 & 'c t$ub tn$ ca 2a ]t c$a 1n l c ra tri
d 9n$ $ng ca n1c ngm u ng trng &$!m 2i 1& 6t &$/a trIn
m@t#
+ Sn $1ng c$ u .$an i t$hng t$I tim c+c n$ng !nu tin#
- u cu c6u t! R
+ B8ng t$]& -ng cn $@c cu-n trn tU t$]& :9n 23 $3n, c$iJu d3y
-ng e "mm# pi +an -ng d3i "0m# ng ./n$ -ng :8ng ng
./n$ c+c#
+ Ca c$
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Trng * R Hn R c$iJu n$ *ng 2c$ W rung $!
g@& .$* .$n c* t$W Y dOng : t$i(t :> c@& ;y jc t$ub 'c W $!#
- 6t Kc mi n t$I :a &$%ng &$& R
+ `ng my ;=c gu ng!m#+ `ng u .$an guZng ;jn ca my .$an W c!& 6y 6t#
+ `ng :iEn &$& ;*i $=t R trng iJu .iEn ng& n1c#
2.3.3.3. ung d&ch Ghoan :
- Tc dOng R
+ Q3m Fn >n$ t$3n$ .$an d c* t tr+ng ca $%n n1c g
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+ CpC ?\dium car:;y pIt$y cIIA R c$6t :t &$O gia n n$iWm ;i mng nn &$9i d`ng c$6t &$n y $&
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+ $i .$an (n ca t$i(t .( t$4 2E in$ y .$an t$I Muy
>n$ 2J !c$#
- Trng Mu tr4n$ .$an c+c &$9i un gi ca 2a ]t mLc Muy
>n$# $i dUng 2`i .$i ;{y ra & t$3n$ 2c$#u .$an 2Ua Muay
c$m 2Ua r=t n =ng tn$ :8ng .$an
t$m d#
7(u .$ng t$ mn iJu .iEn trn t$4 ti(n $3n$ &$ 2 t9ng
.$ng 1n jm $@c .$an ;uyn Mua n(u ./c$ t$1c 1n# T$3n$
.$an &$9i Kc gi Fn >n$ :8ng -ng c$-ng c$ (n tn 2> tr/
&$ #
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P$ 2 :8ng mt trng :a :iEn &$& au R &$ 2 :8ng u
c$ng, .$an :8ng mqi n$_ 23 nF &$, d`ng c$6t &$ 2 tr%ng n
n$ng c$6t n3y trn Ju 21i n1c rZi F 23 .$an#
$an ;uyn Mua t9ng R t$ay u .$an c* i cjt $+c d`ng
:iEn &$& .$an gi # p`n .$an Kc 6y :8ng :iEn &$& $=t tun
$3n ng$>c$# $i gi ;uyn Mua t9ng , ti(& tOc :%m 2a ]t 23 .$an 23 W c$-ng 2c$ c$ t$3n$ .$an &$/a d1i t9ng 23
.$an t$I :iEn &$& :an u#
2.3.3.. V! 0inh 8 Ghoan :
- -i 21i .$an tun $3n t$un R m`n .$an trn Sn 2a ]t nn &$9i ti(n
$3n$ :%m ra :8ng 2a ]t ng c+c n$iJu n (n .$i t tr+ng ca
2a ]t :%m n 21i t tr+ng 2a ]t :%m 23 .$ng c$n$ Ec$ Mu
"0 c* t$W ci 3 !c$#
-
-i 21i :iEn &$& tun $3n ng$>c$ m`n .$an t& trung y .$annn 2E in$ .$an t& trung y # y .$an Kc .iWm tra t$I
$ai cc$ R
+ t tr+ng ca 2a ]t 6y n#
+ c$iJu d3y ca 1& c@n jng y .$an :8ng Mu9 r+i $4n$
c$ung# -i 21i c+c c$-ng 1& n3y .$ng Mu ^cm, -i 21i c+c ma t 3
"0cm#
- BiEn &$& ;Y N c@n jng y .$an .$i .iWm tra .$ng !t
c$@t R+ -i 21i :iEn &$& .$an tun $3n ng$>c$ Rnc$ ;u-ng y 23 :%m $=t c@n jng, &$/a trn c6&
2a ]t !c$ W :` gi ca mLc 2a#
2.3.3.. Z't th`4 c*c Ghoan nh/i :- ng ./n$ c-t t$]& c+c R c-t c$ e") )mm, tn$ c' c-t t$]& a"0cm#
C-t ai e"mm, :1c c-t ai ^^cm, c* t$W 3 ai 2ng $@c ai
;jn#
- C-t t$]& c+c .$an t$3n$ Zng, c$ia t$3n$ tUng -t d3i "^m &$O t$uc
23 c$iJu d3i ca c-t c$# QZng c-t t$]& c* cc 2ng ai t! dng W
tng cLng#
- ung Muan$ Zng c-t t$]& $3n cc tai >n$ 2> ?4 tai trn mt $3ngAW
>n$ tn$ 2> :8ng c-tt$]& tr%n )5 $3n 23 c-t d+c, cL )m $3n mt $3ng tai#
B#i Ging Thi Cng C&'
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Trng HGTVTB mn CT GTTP- `ng cc cn Em ;i mng $4n$ trO W duy tr4 c$iJu d3y :9 2E c$
c-t t$]& c$# 7* Kc :- tr/ Muan$ c$u 2i Zng t$]& gi-ng n$ tai >n$ 2>
23 c- >n$ 23 .$ung c-t t$]& :8ng !n c-t t$]& trn 3m trOc# $i $!
Zng ;u-ng, cc cn Em c* 2ai tr n$ ru dSn $1ng t4 23 t$3n$
.$an rZi Muay t' d m3 .$ng 9n$ $ng (n Fn >n$ t$3n$ 2c$#
- Bn trng Zng t$]& :- tr/ cc c-t t$]& tng cLng 3m t$3n$ .$ung tamgic gi c$ Zng c-t t$]& .$i 2n c$uyWn, c{u j& .$ng :> m] t$3n$
$4n$ 2an 23 .$ng :> ; ng$ing# 7* c* t$W Kc t$ ra tr1c .$i $!
;u-ng .$an#
- B- tr/ cc m*c trI W c{u Zng c-t t$]& .$i c$Zng n-i cc -t 21i n$au#
- W .iWm tra c$6t Kng c+c : tng &$9i :- tr/ cc -ng t$m d c$!y d+c
t$
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TrI Mu9 cu cc$ &$Wu F )050cm, ti(& ;=c ./n .$/t 21i t$3n$
-ng dSn#
B%m r*t : tng 23 c!n$ t$3n$ &$Wu, .$ng r*t tr'c ti(& n Mu9
cu#
T$9 Mu9 cu W : tng tri ;u-ng ngn .$ng c$ 2a ti(& ;=c 21i
2a ]t 23 {y 2a ]t ra .$_i -ng F# `ng cn c{u trI 23 r=t&$Wu F c`ng 21i -ng n 21i t-c .$ng Mu ",^mf&$=t#
Trng Mu tr4n$ F : tng un un gi c$ u -ng ng& trng
2a tU )^m#
T$ng ;uyn .iWm tra c$6t Kng 2a 23 ca m@t : tng, t$ng
Mua Muan $E n3y W .iWm tra c$6t Kng t$3n$ .$an#
7(u :> tjc -ng t$4 d`ng 2Z g gz n t$3n$ -ng, Zng t$i .] n
$! ;u-ng n$an$, .$ng Kc jc ngang $@c gz :8ng :=a#
+ F :8ng :iEn &$& :%m 2a R
Qj& -ng dSn 23 .$an, .~& cF -ng 23 3n .~
!n n-i tU my :%m t1i -ng dSn c* !n cng W t$t :+t .$/#
- B tng F ca $%n n$ c+c "m 23 !n n3y Kc &$ :_ 24 c$6t Kng
.$ng t-t d Sn 2a ]t nFi n trn m@t : tng#
- 7(u g@& nJn 2i t$4 2a r6t d :> tOt n$an$# 7(u $ang ./n t$4
&$9i :>t $ang :8ng 2a : tng $@c :%m ct $@c ;i mng ct 6& ./n#
\au * .$an ti(& Mua c$ 6 7(u $ang $ &$9i $! mt Zng c-tt$]& c* ng ./n$ n$_ $%n Zng :n trng ;u-ng t y au * F :
tng#
0-A-L- Bin Fh5F tU chbc thi cng m?ng cc =hoan nhi *
2.3.A.1. TrQng h4 +6ng c*c nR+ trn cn :
- T$ng g@& 3 m*ng :E t$6 $an c+c trn m@t :8ng au * 3 6t
$- m*ng :c u c+c# 7(u .$u 2'c t$i cng .$ng :> 9n$ $ng n1c
ngm t$4 3 trn $@c 3 trng tng 2n# 7(u .$u 2'c n1c ngm
t$4 d`ng 2ng 2t y W ngn n1c#
- Cn cL iJu .in >a c$6t >a $4n$ W 'a c$+n :iEn &$& .$an t!
t$/c$ $K
- Tr4n$ t' t$i cng cc :1c n$ au R
+ B1c " R \an t! m@t :8ng t$i cng .$u 2'c m*ng# >n$ 2> tim c+c 23 $!
-ng c$-ng 2c$ :8ng :=a rung#
+ B1c ) R $an t! ?guZng ;jn $@c tun $3nA# Ti(n $3n$ 2E in$
.$an#
+ B1c R $! Zng c-t t$]& F : tng c+c :8ng :iEn &$& r=t -ng t$hngLng#
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Trng HGTVTB mn CT GTTP
+ B1c 5 R T$i cng tng 2n ?*ng cc c+c t$]& c$ HA 23 3 6t $-
m*ng :8ng my ;=c, 3 (n
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6n ng cgn 2O tU : ra# `ng ng cng 2O W a 6t ra j&
9#
-ng &$un BT
p7TC k)#w0mp7TC k )#w0 m
+ \au .$i .$an c+c 23 F : tng c+c t$4 ti(n $3n$ 3 6t 23 F
: tng :>t y 23 t$i cng cc :1c ti(& t$I n$ t$i cng trn c!n#
- T$i cng m*ng ng& n1c n$#
+ Ti(n $3n$ .$an :8ng my GP\ t$I &$%ng &$& tun $3n
ng$>c$ c* Y dOng -ng c$-ng 2c$ 23 F : tng c+c#
+ W t$i cng :E R tu iJu .iEn c* t$W d`ng 2ng 2t y W t$i cng m*ng#
- T$i cng m*ng ng& n1c
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+ 7* &$9i 9m :9 Fn >n$, .$ng :> c$a 9, .$ng :> d>c$
c$uyWn trng Mu tr4n$ .$an c+c# `ng :=a rung $! 5 c+c -ng t$]&
ew0"00cm :-n g*c W Fn >n$ $E nFi, n* c* n$iEm 2O 3m nI#
+ \Y dOng cc dm t$]& . trn $E nFi W 3m ng di c$uyWn c$
my .$an# Ti(n $3n$ .$an c+c 23 F : tng c+c#
+ W t$i cng :E R tu iJu .iEn c* t$W d`ng 2ng 2t y W t$i cng m*ng#
2.3.@. Nhng h hng ( 05 c' thQng g ;(& ?qng n1c $@c Sn n$iJu m`n
.$anA 3m gi9m =t c$6t Kng c+c, gi9m Lc .$ng ca mqi c+c#
- 7guyn n$a c$6t d1i mqi .$an :> ; ng 23 :> n$ d 2a :IntnitI $6&
t$O#- $jc &$Oc R Y N jng c@n d1i y m*ng tr1c .$i F : tng# P$un 2a
;imng tng cng ;u-ng y .$an#
[email protected]. m hng ti thWn c*c :
- T$ &$4n$ ra R d 2c$ .$an :> & trng Mu tr4n$ t$i
cng#
- T$ t$jt !i R d 'c {y ngang ca 6t 1n $%n & 'c t$ub
tn$ ca 2a ]t#
- T$ r :J m@t R d n1c ngm 3m tri m6t: tng t%i m1i F 23 d t$ =n R
+ 7guyn n$ =n#
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+ $jc &$Oc R gia cng c$-ng =n c$ -ng 2c$ $@c d`ng cn c{u trI
gi Zng t$]& m3 .$ng trI Zng t$]& 23 -ng 2c$#
- QZng t$]& :> ng& trng 6t R c* t$W .$jc &$Oc R
+ `ng c{u n
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Trng HGTVTB mn CT GTTP- iWm tra t4n$ tr!ng y .$an R Cn cL 23 !c$ ca dung d>c$
t$Fi ra .$an# y .$an 'c ci 3 !c$ .$i tb tr+ng dung d>c$
2a :%m 23 23 2a :%m ra c$n$ n$au "0 23 c$iJu d3y ca 1&
c@n jng y .$an :8ng Mu9 r+i $4n$ c$ung# -i 21i c+c c$-ng 1&
n3y .$ng Mu ^cm, 21i c+c ma t 3 "0cm#
- iWm tra ./c$ t$1c R+ Cn cL 23 ng ./n$ -ng 2c$#
+ `ng t$1c ;-& t$9 ;u-ng W ;c >n$ ng ./n$ .$an t!i mi 2>
tr/#
2.3..2. jiD+ tra cng tc ch$ to /ng th`4 : ti(n $3n$ -i 21i t6t c9 cc
Zng t$]&
- \- Kng t$an$# ng ./n$ t$an$#
- C$6t Kng m-i $3n in .(t cc -t Zng t$]
- iWm tra :i(n d!ng ca Zng t$].3..3. jiD+ tra chMt ng - tng c*c :
- iWm tra t$3n$ &$n c-t iEu, $3m Kng ;i mng# iWm tra Ot ca :
tng#
- iWm tra, gim t Mu tr4n$ F : tng#
- iWm tra c$6t Kng : tng c+c :8ng &$%ng &$& iu u t9i ca c+c :8ng cc$ .$an 6y mSu R mSufc+cfn$*m
c+c#
0-A-X- Kim tra ]bc ch8' ti ca cc =hoan nhi *2.3..1. hng 4h4 n`n t_nh :
- 7i dung R c$6t t9i tr+ng n c+c ?cc .$-i : tng -i tr+ngA c$ (n .$i
c+c :> &$ $!i W ;c >n$ Lc c$>u t9i ca c+c#
- @c iWm R
+ C$ :i(t c$/n$ ;c Lc c$>u t9i ca c+c#
+ Gi t$3n$ t$Y ng$iEm ca#
+ $ng c$ :i(t Kc t4n$ tr!ng ca c+c#
- & dOng R
+ Cng tr4n$ Muan tr+ng#
+ $i t$i cng iJu .iEn >a c$6t &$Lc t!&, tin cy c$6t Kng :
tng .$ng ca#
+ Cng tr4n$ c* m*ng c$>u 'c ngang 23 'c .] 1n#
2.3..2. hng 4h4 th ng :
- 7i dung R `ng : &$t c$6n ng t!i u c+c W t$u cc t/n $iEu
t$ng Mua : ;Y N W n$ gi t4n$ tr!ng ca c+c#
- @c iWm R
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Trng HGTVTB mn CT GTTP
+ C$ :i(t t4n$ tr!ng 23 c$6t Kng c+c#
+ $ng :i(t Kc Lc c$>u t9i ca c+c#
+ tin cy .$ng ca#
- & dOng R
+ $i .$ng & dOng Kc n]n tn$#
+ $i t 26n t$i(t .( yu cu#
2.3..3. hng 4h4 0iu W+ :
- 7i dung R `ng my iu u 9n$ $ng n$iJu ca dng c$9y#
- u cu .$i t$i cng m- R
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+ P$9i c* t/n$ iJn .$-i#
+ T$i cng &$9i &$` $K& 21i % Z c$>u 'c tUng :+ &$n#
+ 6t j& trng m- 23 n*n m- &$9i j& 21i tiu c$u{n .[ t$ut, .$-ng
c$( Kc =n# P$n ;- u cu .$i t$i cng trO R
+ P$9i c* t/n$ iJn .$-i#
+ $i t$i cng &$9i c$+n t$i iWm t$i cng W m'c n1c .$i t$i cng /t
9n$ $ng (n :iEn &$& t$i cng, nn t$i cng 23 m`a c!n#
+ (t $K& t$i cng .(t c6u n$>
A-0- TU chbc thi cng m% c&' *
#)#"# Vn .$un m- cu R
- Kc j& g$]& tU cc t6m 2n tiu c$u{n R % n$ng m@t &$hng 1n, c$i ti(t
1n# cc c$i ti(t n$_ t$4 d`ng t6m 2n l, ri W Y dOng#
- C6u t! 2n .$un &$O t$uc cc$ tF c$Lc t$i cng# P$9i c$ia tUng Kt
W t$i cng 23 &$O t$uc 23 c6u t! ca m-#
- Cn cL 23 nng 'c c6& 2a : tng#
- P$O t$uc 23 .$9 nng cung c6& 2n .$un#
- (t $K& 21i :iEn &$& tF c$Lc t$i cng .(t c6u n$>& ?tng n$ 21i t$i
cng a d+c C7A#
- T$an$ n~& 2n
.$un R gZm ) t$]&
g$]& !i 21i n$au#
- Bu ng gi8ng "5"
c* gIn ) u, j&
ai -c 23 c* Em 21i
2n#
- `ng 3 gi 3m 3n cng tc W t$i cng# C* t$W d`ng c$-ng ;in W
Fn >n$#
#)#)# TF c$Lc t$i cng m- cu R
- Cn cL 23 iJu .iEn iJu .iEn t$i cng ti(n $3n$ $4n$ t$Lc c6& 2a#
- Tr4n$ t' t$i cng R
+ Ti(n $3n$ ;Y N :J m@t : tng ti(& gi& gia :E m*ng 23 tng#
+ Cn c-t t$]& c$ tU :E n#
+ Qj& d'ng c-t t$]& t$
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Trng HGTVTB mn CT GTTP
+ Qj& d'ng 2n .$un t$n$#
- W g$]& 2n .$un c$ trO u trnR &$9i Y dOng t6m 2n cng ?2n gy
.$=c n$iJu c!n$A# C$+n n$ng t6m 2n .$F rng d3y ^ w cm, d3i w0
"00 cm ;(& c!n$ n$au trn m@t :8ng rZi 2D na 2ng trn :n ./n$
:8ng :n ./n$ trO ng cng u trO a c$ cung trn c$ cjt 23
mt &$n m]& 2n# T$I ng cng n3y d`ng ca cjt &$n zm trn
m9n$ 2n# `ng cc m9n$ 2n n3y c$( t! t$3n$ ai ngang ca t6m 2n
cng# 7(u cc m9n$ 2n .$ng d3i
t$4 n-i $ai m9n$ t 23 n$au, @t
c$Zng mt m9n$ t$L :a n &$ Mua
m-i g$]& rZi *ng in$ c$& c9 :a
m9n$ !i# pi t6m 2n c* :a ai ngang :- tr/ cc$ n$au w0cm, :- tr/ $ai
n~& Lng *ng c$] c$ V, $ai u c* $ai t$an$ n~& ng3i ./c$ t$1c
w;"0cm c* .$6c $ai rn$ 2Ua +t t$an$ n~& Lng a c$ d*ng c$@nn~& Lng W tng cLng 23 3m t$3n$ ai ng3i g$]& t6m 2n cng !i
t$3n$ 2ng trn $@c na 2ng trn#
- C6u t! 2n .$un trO u trnR
+ Cc t6m 2n &$hng >n$ $4n$#
+ Cc t6m 2n &$hng .$ng >n$ $4n$#
+ Cc t6m 2n m@t cng#
B#i Ging Thi Cng C&'
/
^)
Vn t
Vn ai
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Trng HGTVTB mn CT GTTP
Hai u trn mi :n g$]& :8ng :a t6m cng, cc t$an$ 2n ai ca
cc t6m cng n3y n-i !i 21i n$au 23 nI 23 $ai u n~& ngang ca $ai
c!n$ &$hng :8ng :u ng tri c$iJu j& 23 m6u t$]& g*c#
- -i 21i ;3 mq R Kc F n$ 3 gi &$/a d1i $@c 3 gi c$-ng 23
t$
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Trng HGTVTB mn CT GTTP
Ch 4ng L* thi cng =Jt c' nh8F c&' thF-
L-7- C5c giai 6on thi cng c&' d&m thF*
- Cc !i .(t c6u n$>& cu t$]&R Cu dm @c, cu gi3n, cu 2m, cu
trI#
- Cc giai !n t$i cng cu t$]&R
+ \9n ;u6t cc : &$n ca .(t c6u t$]& trng ;ng#
+ Qj& @t cc : &$n t$3n$ .(t c6u t!i cng trng#
+ i c$uyWn .(t c6u n$>& ra 2> tr/ 23 @t n g-i cu trn m- trO#
+ Q3m .(t c6u m@t cu, J ngi i :, an can 23 cc trang t$i(t :>
trn cu#+ \%n 23 $3n t$iEn cu#
+ uy tu :9 dng cu t$ng ;uyn#
C$(t! c6u .iEn VPn c$uyWn (nCng tr ng
tr n n$>&Qj& r& t! i c$
Qj& r &t r n : i n n$>&
Qa
Q3mm@t cu H3n t$iEn cu
L-0- MEF r5F =Jt c' nh8F tr(n Ii-
- V> tr/ :i j& dm Kc :- tr/ ngay trn nJn ng j& u cu# V>
tr/ ca :i j& &$9i Kc c$+n t$I :iEn &$& a dm au n3yR
+ 7(u @t dm n n$>& t$I &$%ng &$& c{u d+c t$4 :i j& Kc :-
tr/ ngay t!i nJn j& u cu, ca ca :i j& :8ng 21i ca
t$i(t .( ca nJn ng u cu au n3y#
+ 7(u @t dm n n$>& t$I &$%ng &$& c{u ngang t$4 :i j& Kc
:- tr/ t!i .$u 2'c :i d1i c$ tr/ Lng cacn c{u#
+ 7(u a dm n n$>& t$I &$%ng &$& a .] d+c trn $E ng
trKt cn n t$4 :i j& u cu Kc :- tr/ t!i nJn @& u cu 21i
ca :i :8ng 21i ca ca ;3 mq m- W t! iJu .iEn t$un Ki
trng Mu tr4n$ ./c$ .] C7# \au .$i t$i cng ;ng C7 t$4 m1i
ti(n $3n$ F : tng &$n tng n$ ca m-#
- /c$ t$1c ca :i j& .(t c6u n$>&
+ \% Z :- tr/ j& r& C7 trn :i#
B#i Ging Thi Cng C&'
/
^5
B
c
{
u
Cn c{u B
:
i
B
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Trng HGTVTB mn CT GTTP
+
C$iJu d3i ca :iR 5++= muidannhiplaobai LLL ?mA
Trng * R
Qn$i&aR 3 c$iJu d3i 1n n$6t ca cc n$>& cn a#
QmuidanR 3 c$iJu d3i ca !n mqi dSn Y dOng .$i a .]#
^m R 3 &$!m 2i Lng ca cn c{u &$Oc 2O trng Mu tr4n$ t$icng#
+ \- Kng n$>& dm n-i n$au trn :i &$O t$uc 23 :iEn &$& tF c$Lc
a .]
" k 7(u a :8ng cn c{u t$4 ti(n $3n$ j& r& tUng n$>& mt 23
.$ng c* mqi dSn d* * R 5+= motnhipbai LL ?mA
) k 7(u a t$I &$%ng &$& a d+c trn $E ng trKt cn n t$4
ti(n $3n$ n-i ) n$>& t$3n$ mt .$-i Zng t$i c* Y dOng mqi
dSn d* *R52 ++= muidannhipbai LLL ?mA
+ C$iJu rng ca :i# lecaubai bbBB ++=
Trng * R
B R 3 :J rng &$ :4 ca cOm dm 1n n$6t# T$ng t$ng trng Mu
tr4n$ t$i cng W 9m :9 Fn >n$ trng Mu tr4n$ a .] ta t$k
ng g$]& t$3n$ cc cOm dm, mi cOm tU ) dm :8ng $E in .(t
ngang#
:c{u R 3 ng di c$uyWn c$ cn c{u R :c{u e #^m#:JR 3 :J rng ng ngi i &$Oc 2O trng Mu tr4n$ t$i cng#?"mA
Trng trng $K& nJn ng u cu .$ng :J rng yu cu ca :i
t$4 ta D &$9i ti(n $3n$ j& t$m ang mt $@c ang c9 $ai :n# Cc
dm Kc in .(t t$3n$ cOm, t-i t$iWu 3 ) dm 23 t-i a tu t$uc 23
tr+ng Kng c{u#
- u cu 2J c6u t! .(t c6u :J m@t ca :i#
+ 7Jn ng u cu 23 m@t ca :i j& dm &$9i Kc m .[, t!
d-c 23 t$t n1c ngang t-t#
B#i Ging Thi Cng C&'
/
^^
Q:Bi
B
c
{
u
B
0J
Cn c{u B
:
i
B
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Trng HGTVTB mn CT GTTP
+ Trn :J m@t :i &$9i Kc d9i dm W t! &$hng 23 &$
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Trng HGTVTB mn CT GTTP
- G j& cc :9n 23 m-i n-iR j& cc :9n n-i cn$ d1i tr1c, j& 23 mt
u dm @t n8m ngang tr1c 23 c$-t t!m :8ng cc cn *i $4n$ trO,
W j& 23 u .ia d`ng cn *i $4n$ cn *ng .(t $K& ./c$ $@c $!
t$6& iWm . t!i g-i ?n(u cnA D c* tc dOng .] c$ cc in$ trn
cn$ dm 23 trn :9n n-i tr`ng .$1& 23 21i n$au# $i cc in$
tr4ng .$1&, d`ng cc cn *i $4n$ trO c$-t !i# Ti(& * j& :9n n-i :Ong#
Cu-i c`ng j& :9n c trn 23 c$-t !i :8ng cc cn *i#
+ `ng cn *i $4n$ cn *ng W 3m tr`ng .$1& cc in$#
+ C$-t t!m ? c$-ng cjtA :8ng cc cn *i $4n$ trO# \- Kng )^ -
in$ trng mi &$/a ca m-i n-i #
+ `ng :u ng t$i cng ;i(t ]& c$@t .$/t cc :9n t$]& trng in
.(t #\- Kng :u ng t$i cng c$i(m 50 - Kng cn
*i #
Q!i ak Cn *i $4n$ cn , 3m :8ng t$]& mJm CT)#
ng ./n$ c$ 1n n$6t e)mm#
Q!i :k Cn *i $4n$ cn 3m :8ng t$]& cLng CT^#
ng ./n$ t$
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Trng HGTVTB mn CT GTTP
+ Trn :9n cn$ mi u m-i n-i :- tr/ cc tai >n$ 2> # Cc tai n3y
n8m ngang c$4a ra $ai :n $@c t$hng Lng 2ung g*c 21i cn$
dm #
+ Cc tai >n$ 2> c* .$an W in .(t
#
+ `ng :9n n-i c* .$an W in .(t cctai >n$ 2> $ai &$/a m-i n-i !i 21i
n$au :8ng c$-t *i 23 :u ng t$i cng #
+ C@& : g tng cng c$ n dm
c$-ng Lng u6t n$iEt trng .$i $3n #
+ \au .$i t$'c $iEn ;ng m-i $3n, t$ :_ in .(t g t!m#
- Cng ng$E t$'c $iEn in .(t in$ tnR
+ in$ tn 3m :8ng t$]& CT)# ng ./n$ de k"mm# in$ Kc t!Xn mt mq $4n$ c$_m cu# C$iJu d3i t$u 'c ca :u ng cng ca \e0,w#7# 21i 7 3 'c
;i(t# 7(u 7 1n 3m Lt t$
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Trng HGTVTB mn CT GTTP
n$ ;Y N &$un ct !c$ Ju $!t 23 6y .$, &$un ct 21i & u6t $%i
]& n (n at##
+ p-i n-i g$]& Kc :* c$@t :8ng i 23 :u ng t$i cng, j& :u
ng 23 n$ng in$ cn tr-ng 23 ;i(t c$@t (n w0 'c ;i(t 7
t$4 t$ dn *i 23 :u ng t$i cng ra#
+ W trn$ cng :9n t$]& t$4 ;i(t :u ng tU gia m in$ dZn ra$@c ;jn -c tU trng ra ng3i#
+ Q'c ;i(t Kc .iWm tra t$ng Mua m mIn ;i(tR pe.#7#d ?T#mA 21i d 3
ng ./n$ t$
+ $i t$i cng C7 gi9n %n#
A.3.1.2. q5a ch*n cn c^u.
- Cn c{u Y dOng trng Mu tr4n$ c{u d+c C7 &$9i 9m :9 cc iJu
.iEn auR
+ \Lc n& an t3n#
+ C$iJu ca t-i a ca m*c c{u H ?mA#
B#i Ging Thi Cng C&'
/
^s
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Trng HGTVTB mn CT GTTP
- c >n$ tm 21i ca c{uR Cn cL 23 2> tr/ Lng ca cn c{u W ;c
>n$ Kc .$9ng cc$ tU 2> tr/ c{u (n iWm 6y dm 23 iWm @t
dm n n$> Q6y gi tr> 1n n$6t trng $ai .$9ng cc$ n3y * c$/n$
3 tm 21i ca cn c{u Q ?mA#
- c >n$ Lc n tm 21i Q c$+n e| tra ng
@c t/n$ ca t%ng Lng 21i tUng !i c{u W c$+n Lc n& c* tr+ng Kng 1n, t$i(t .( ring tai c{u W m*c c&
- -i 21i tr+ng Kng n$>& .$ng 1n ?.$9ng 50 T A :uc c& 23 2> tr/ $ai
dm ./c$ u n$>& #
- Cc$ :uc c& 23 dm ngang ./c$
+ `ng d
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Trng HGTVTB mn CT GTTP
sin.2
PS=
- BiEn &$& trI cOm dm n c{u#
Buc ai
Buc =ng pa n/
A.3.1.A. TK chFc thi cng.
- \% Z :- tr/ t$i cngR
p7TC
Q
- Tr4n$ t' j& @t n$>& :inR
+ Qj& g$]& cc cOm dm trn :i j& u cu#
+ Qj& d'ng $E t$-ng ng ray di c$uyWn#
+ i c$uyWn cc cOm dm (n 2> tr/ Lng :n c!n$ cn c{u# $ng
Kc @t cc cOm dm &$/a au cn c{u 24 trng Mu tr4n$ t$i
cng cn c{u c$ c* t$W Muay Kc mt g*c t-i a 3 "^0# 7$ 2y ta&$9i d3n$ c$ Lng c$ cn c{u nn c$ c* t$W j& tUng cOm dm,
au .$i @t n n$>& m1i ti(n $3n$ j& cOm ti(& t$I#
+ Cn c{u Lng trn n$ m-, m]& d9i ;/c$ $@c m]& c$
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Trng HGTVTB mn CT GTTP
+ T$'c $iEn in .(t ngang 23 cc in .(t d+c ?n(u c*A gia cc cOm
dm 23 $! ;u-ng g-i cu#
+ /c$, t$ :_ c$Zng nJ# H! C7 ;u-ng g-i c- >n$ tr1c au * $!
;u-ng g-i di ng# $i @t g-i di ng cn d' tr` :i(n d!ng ca
dm d c$n$ Ec$ n$iEt t!i t$i iWm j& g-i 21i n$iEt
trung :4n$ trng nm#- Tr4n$ t' j& @t cc n$>& ti(& t$I#
+ Q3m ng gng n-i tU :i j& dm ngay d1i 2> tr/ j& cc cOm
dm ra $(t n$>&" #
+ Q3m m@t ng t!m c$ cn c{u c* t$W di c$uyWn tU nJn n Lng
Kc trn n$>& " #
+ COm dm au .$i j& r& trn :i d`ng cn c{u @t n $ai ;I r`a 23
{y ra Lng trn n$>& "#
+ i c$uyWn cn c{u n n$>& " 23 Lng 2> tr/ t$9 mn 21i yu cutm 21i .$i c{u @t n$>& ;a n$6t#
+ C{u cOm dm @t n cc c$Zng nJ . trn $ai n$ trO
+ T$'c $iEn t%ng t' c$ n$ng cOm dm cn !i#
+ iJu c$n$ 2> tr/ 23 t$'c $iEn in .(t gia cc cOm dm#
+ H! .(t c6u n$>& ;u-ng g-i#
+ Ti(& tOc j& cc n$>& au t$I :iEn &$& t%ng t' #
- Q3m .(t c6u m@t cu 23 $3n t$iEn cuR+ i c$uyWn cn c{u ra .$_i 2> tr/ n$>
+ T$ :_ .(t c6u ng gng#
+ B- tr/ cc nI in .(t ?n(u c*A#
+ Qj& d'ng 2n .$un 23 F : tng m@t cu#
+ T$ d 2n .$un#
+ T$ d $E t$-ng ng ray, t3 2~t c$Zng nJ t!i :i j& u cu#
+ H3n t$iEn cu 23 nJn ng u cu#
5##)# Qj& @t :8ng c{u ngang
A.3.2.1. C tr/ cn c{u
Zng t$i cn c{u Lng 2> tr/ gia n$>& d * gi9m Kc tm
21i 23 Lc n
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Trng HGTVTB mn CT GTTP
+ Gi9m Kc c$i &$/ 3m m@t cu t!m c$ ' di c$uyWn ca c{u trn
cc n$>& j Tuy n$in !i &$9i 3m ng di c$uyWn c$ c{u 23
c$ ;I gng 2n c$uyWn cc cOm dm trng .$u 2'c :i ng#
+ $* .$n $%n :iEn &$& c{u d+c R cn c{u &$9i 21i ca, t& .(t dm
(n 2> tr/ cn c{u .$* .$n 23 iJu .$iWn $E nFi &$Lc t!& #
+ P$O t$uc 23 >a $4n$ :i ng, c$( t$ub 2n trn ng #
+ Qj& n$ng n$>& .${u n$_, d`ng cn c{u t$ng dOng t' $3n$
$@c @t trn $E nFi c* Lc n& c* tr+ng Kng 1n,:a gZm c9 $E
m@t cu $3n c$n$ ,d`ng cn c{u nFi c* tr+ng t9i $3ng ng3n
t6n
- & dOngR
+ Cu c* n$iJu n$>&, cc n$>& 3 n$>& gi9n %n#
+ $i t$i cng cc n$>& dSn &$!m 2i :i ng c!n 23 iWu .iEn >a
c$6t t%ng -i t-t Zng t$i .$ng :> ng& n1c W cn c{u c* t$W
Lng Kc trn :i#
+ $i cn gi9m ngjn tm 21i W tng Lc n tr/ Lng ca cn c{u
A.3.2.2. TK chFc thi cng trn cn.
- Ti(n $3n$ :*c :_ 1& 6t $u
c%, 6t :`n n$ trng &$!m 2i
t$i cng t!i .$u 2'c :i ng#
- 9i c6& &$-i dm 3m 1&
m@t c$ :i 23 ti(n $3n$ j&
@t $E c$Zng nJ, t3 2~t, k
ng ray di c$uyWn cc cOm dm
23 di c$uyWn c{u#
- Cc cOm dm Kc j& r& trn
:i j& c* ca ngang 21i ca
>a $4n$ :i ng #
- Vn c$uyWn tUng cOm dm (n gn 2> tr/ Lng ca cn c{u t$I k
ng gng c$!y d+c t$I $1ng tim cu $@c 2n c$uyWn cc -t dm
ra 2> tr/ n$>& 23 ti(n $3n$ j& r& tUng cOm dm ngay trn m@t :8ng
&$/a d1i n$>&
- C{u @t tUng cOm dm n n$>&, . trn cc c$Zng nJ # Qj& cc cOm
dm ;a 21i 2> tr/ Lng ca cn c{u tr1c #
- /c$ ,3ng dm iJu c$n$ cc cOm dm c$ =ng 21i 2> tr/ g-i# T$'c
$iEn in .(t gia cc cOm dm#
B#i Ging Thi Cng C&'
/
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Trng HGTVTB mn CT GTTP- /c$ n$>&,r=t c$Zng nJ $! n$>& ;u-ng g-i #
A.3.2.3. TK chFc thi cng nh&4 trn 0ng.
- Ti(n $3n$ ;
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Trng HGTVTB mn CT GTTP
+ C7 Kc j& r& trn :i j& u cu nn 9m :9 c$6t Kng t-t#
+ P$9i ;&
A.A.1.2. Zc -i!n 4h4 ao G`o d*c.
- iJu .iEn 9m :9 Fn >n$ trng Mu tr4n$ a .]R Trng Mu tr/n$
a .] t$4 C7 D :> $Sng gn$ c$ C7 d * c$iJu
d3i !n $Sng t-i a &$9i n$_ $%n "f c$iJu d3i n$>& aR3
Zh
LL
p7TC
Q
Q$ "f, QQm
- Cc :iEn &$& a d+c C7 trn ng trKtR trng Mu tr4n$ a .] ta c*
t$W :- tr/ .(t c6u trO t!m $@c Y dOng mqi dSn W 3m gi9m c$iJu
d3i 23 gi9m tr+ng Kng ca &$n $Sng C7 d * gi9m Kc ni 'c, :i(n
d!ng 23 9m :9 Fn >n$ c$ C7# $i * ta c* cc :iEn &$& t$i
cng n$ auR
+ Qa d+c c* mqi dSn k .$ng c* trO t!m#+ Qa d+c .$ng c* mqi dSn c* trO t!m#
+ Qa d+c c* c9 mqi dSn 23 trO t!m#
A.A.1.3. TK chFc thi cng.
- \% Z :- tr/ t$i cng#
B#i Ging Thi Cng C&'
/
^
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Trng HGTVTB mn CT GTTP
- Tr4n$ t' t$i cngR
+ Qin .(t cc cOm dm ca cc n$>& gi9n %n t$3n$ in tOc 23 D
c`ng a trng mt Kt# 7$ 2y C7 Kc c$ia t$3n$ :a n$iu cOm
dm t$4 D c* :6y n$iu Kt a#
+ Qj& d'ng .(t c6u m rng trO trn trO c$/n$# 7(u Y dOng trO t!m
t$4 c$iJu rng ca trO t!m &$9i :8ng 21i c$iJu rng ca trO c$/n$
cng t$m &$n m rng#+ Ti(n $3n$ j& t3 2~t, $E t$-ng ng trKt d1i trn :i j& 23 trn
n$ trO c$/n$, trO t!m# Zng t$i j& $E t$-ng ng trKt trn d+c
t$I $ai :n y dm ng3i c`ng ca cOm dm#
+ @t cc cn n trn ng trKt d1i#
+ H! n$>& a ;u-ng ng trKt#
+ Qj& $E t$-ng ti ?ti .], ti $mA, m=##
+ Ti(n $3n$ .] C7 c$uyWn ng tU tU# Trng Mu tr4n$ .] &$9i
t$ng ;uyn .iWm tra t/n$ =ng tim ca C7 W tU * iJu
c$n$ g*c Ec$ ca cc cn n c$ &$` $K
+ Ti(& tOc .] C7 c$ (n .$i mqi dSn gc Kc n n$ trO# Ti(n
$3n$ . n$>& a n c$Zng nJ#
+ Qj& n-i ti(& n$>& au 21i n$>& tr1c 23 ti(& tOc c$u tr4n$ .] C7
c$ (n .$i j& $(t t3n : c$iJu d3i n$>& a L #
+ Ti(n $3n$ .] d+c t3n : C7 a trn cc ng trKt cn n c$
(n .$i mqi dSn n8m trn nJn j& &$/a : :n .ia 23 u dm g-i n n$ m-#
+ n$>& a n c$Zng nJ, t!i mi 2> tr/ g-i . c* mt c$Zng nJ# pqi
dSn cqng Kc . trn c$Zng nJ, iJu c$n$ ca cc iWm .
a c$ ni 'c t!i m-i n-i dm 21i mqi dSn :8ng 0 t$4 t$ di mqi
dSn ra .$_i n$>& a#
+ T$ :_ ng trKt d1i ra .$_i y dm 23 t$ :_ cc m-i n-i t!m
gia cc n$>& gi9n %n#
+ Ti(n $3n$ 3ng tUng cOm dm 23 2> tr/ trn g-i 23 . n ccc$Zng nJ t!i 2> tr/ t g-i#
B#i Ging Thi Cng C&'
/
C & t$i cngp=&di ng
3 gi mrngtrO3 gi mrngm- ngtr Ktd 1i
p7TC
Cnc{u&$Oc2Ot$i cng
7$>&anga Ti .]
p=&c->n$
H-t$(
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Trng HGTVTB mn CT GTTP
+ Ti(& tOc a cc cOm dm ti(& t$I#
+ T$'c $iEn in .(t cc cOm dm 21i n$au t$ng Mua $E in .(t d+c
23 ngang# \au * ./c$ 23 $! C7 ;u-ng g-i#
+ Q3m .(t c6u m@t cu 23 $3n t$iEn cu
A.A.1.A. jH thuJt ao G`o.
- T-c di c$uyWn ca n$>& a 2 e ^ mf&$=t 23 .$ng Kc ti(n$3n$ a .] .$i c* gi* 2Kt Mu c6& ^#
- W t$un tiEn c$ Mu tr4n$ a .] t$4 ng trKt d1i Kc :- tr/ trn ;3
mq ca m- trO d * .$i t$i cng C7 t$I &$%ng &$& a .] d+c
C7 t$4 tng n$ ca m- Kc @t c-t t$]& c$ 23 D Kc F :
tng au .$i a ;ng C7#
- Ca ca ng trKt d1i &$9i t/n$ tn a c$ .$i u $Sng ca n$>&
a 2%n ra (n n%i, au .$i :> 2zng ;u-ng t$4 2Ua t'a n cn n
u tin# Trng trng $K& u mqi dSn :> 2zng ;u-ng d1i 23 .$ng t'aKc n cn n t$4 &$9i d`ng ./c$ W ./c$ n
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Trng HGTVTB mn CT GTTP
+ pqi dSn d`ng dm } >n$ $4n$R c* c$iJu ca t$6&, tn dOng Kc 2t
iEu n$ng c$>u 'c .$ng $iEu Mu9 d c$iJu ca m@t cjt .$ng
t$ay Fi# $i in .(t
21i dm c$/n$ &$9i
c$Zng t$m mt !n
dm W c$iJu camqi dSn :8ng c$iJu
ca dm c$/n$# & dOng c$ n$>& dm c* .${u Q 0m#
+ pqi dSn :8ng dm tF $K& $3nR C* c$iJu ca t$ay Fi, c$>u 'c $K&
N, &$` $K& 21i c6u t! ca dm c$/n$# Tuy n$in &$9i c$( t! ring d
* gi t$3n$ ca# & dOng .$i a dm t$]& c* c$iJu ca H e "#^
)#0 m#
+ pqi dSn d!ng d3nR C6u t! tU cc t$an$ t$]& >n$ $4n$, c* c$iJu
ca t$ay Fi, tr+ng Kng :9n t$& a 1m g-i Kc n
ng trKt trn n$ trO m3 .$ng g& a#
- C6u t! R TrO t!m Kc c6u t! tU .(t c6u
2!n nng p $@c p ###
- V> tr/ ca trO t!mR
+ -i 21i C7 gi9n %n n$iJu n$>& c* .${u :8ng n$au t$4 .$i a
.] ta nn Y dOng trO t!m 24 ta c$ cn t/n$ tn a .] Mua mt
n$>& t$4 cqng D 9m :9 .$i a Mua cc n$>& .$c#
B#i Ging Thi Cng C&'
/
w
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Trng HGTVTB mn CT GTTP
+ -i 21i C7 in tOc c* Qn:e ?0# 0#wA Qngnn .$i a .] ta D &$9i
t/n$ tn 21i c$iJu d3i $Sng t-i a Q$e Qngd * D r6t .$* 9m
:9 iJu .iEn Fn >n$ 23 ni 'c trng dm .$i t$i cng D r6t 1n#
Trng trng $K& n3y ta nn Y dOng trO t!m 23 2> tr/ trO t!m Kc c$+n
a c$ c$iJu d3i $Sng, .$i a .] :8ng 21i c$iJu d3i n$>& m3 .$i
a .$ng cn trO t!m ?n$>& :inAR Q$e Qn:c. m! th'ng Qng trt .
- CQng trt trn:
+ C6u t!R
" 7$>& a#
) T3 2~t ca ng trKt trn
Cn n t$]& n$Zi : tng
5 T3 2~t ca ng trKt d1i
^ ng trKt trn#
ng trKt d1i#
k dm Em#
+ ng trKt trn 3m :8ng dm } >n$ $4n$ $@c :8ng cc t$an$ ray
cq :* 23 y dm :8ng t3 2~t g $@c :9n c*c#
+ ng trKt trn Kc :- tr/ in tOc c$!y u-t d+c t$I y ca $ai dm
ng3i c`ng ca cOm dm a .]# u mqi dSn 23 cu-i n$>& a
u ca t$an$ ray Kc u-n n mt g*c "^W ng trKt d n 23
cn n 23 n$9 cn n ra mt cc$ m t$un#
- CQng trt d)i:
+ C6u t! R
B#i Ging Thi Cng C&'
/
s
5
^)
"
G . n=t 3 gi
3 gi m rng trO
"
mt$]& }00
Cn n
B3n cn n
3 gi m rng m- ng ray d 1 i
T3 2~t g)
^
7Jn ng u cu" 5
,) 5
^
p7TC
)
"
^5
Cn n
ng ray d 1 i
C$Zng nJk t3 2~t
^
5
"
)
,
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Trng HGTVTB mn CT GTTP
+ ng trKt d1i cqng Kc c6u t! tU t$]& $4n$ } $@c ray cq c* c`ng -
$iEu 21i ng trKt trn# \- Kng t$an$ ray $%n ng trKt trn mt
t$an$ W cn n t4 trn n* .$ng :> F ;u-ng# Cc ray ca ng
trKt d1i Kc @t trn t3 2~t g# Trn nJn ng ng trKt d1i Kc :-
tr/ in tOc cn trn mi n$ trO :- tr/ mt ng trKt c* c$iJu d3ia c$ c* t$W :- tr/ $(t - cn n t/n$ tn c$>u 'c#
+ C* t$W d`ng ng trKt d1i :8ng :3n n c- >n$R gi-ng n$ :n$ ;I
n ngKc, trOc Muay 23 :n$ ;I Kc gjn trn :E c- >n$ :8ng
t$]
d. Zon On.
- C6u t!R :8ng -ng t$]& n$Zi : tng c* ng ./n$ e w0"50 mm
- C$iJu d3i t-i t$iWu ca cn n Qce 0cm Zng t$i &$9i 9m :9
mi u cn n n$ ra .$_i ray d1i )0cm#- $9ng cc$ gia cc cn n )0cm W 9m :9 cn n .$ng :>
.~t 23 c* t$W d`ng :=a n$ W iJu c$n$ c$ c$=ng n t$hng $1ng
e. m! th'ng tQiL +]4L c4 ( h' th$.
- TQi G`o ( tQi h+.
+ Ti .] Kc :- tr/ &$/a tr1c trn n$ trO $@c nJn ng u
cu W .] n$>& a ti(n 2J &$/a tr1c#
+ Ti .] Kc :- tr/ &$/a au trn nJn ng u cu W iJu
c$n$ t-c .] 23 &$-i $K& 21i ti .] 3m c$ d& a c$uyWn ng Ju t$I t-c .$-ng c$( m3
.$ng :> c$!y git cOc# 7g3i ra ti $m cn Y dOng W .] n$>&
a `i !i .$i g@& ' c- trng Mu tr4n$ a .]#
- Y]4 ( c4.
+ W c* t$W .] Kc n$>& a t$4 cn &$9i tc ng mt 'c .] \ c*
t$W t$jng Kc Lc d Mun t/n$ 23 'c c9n# Q'c n3y t$ng 1n $%n
Lc .] ca ti d * ta &$9i :- tr/ $E rng r+c ?g+i 3 m=&A :a
gZm $E rng r+c c- >n$ Kc m*c 23 $- t$( 23 $E rng r+c ding Kc m*c 23 u n$>& a#
+ B- tr/ mt $ay $ai n$n$ .] &$O t$uc 23 1n ca n$>& a,
mi n$n$ :8ng mt ti c* Lc .] e ^ T# ?T$ng t$ng 21i
n$>& a ca cc n$>& gi9n %n ta c$ cn d`ng mt n$n$ .]A#
- m' th$.
+ H- t$( Kc :- tr/ trn nJn ng u cu :n .ia ng# H- t$( 3
iWm nI gi $E rng r+c c- >n$ 23 3 iWm t'a W .] n$>&
a#+ C6u t! ca $- t$(R
B#i Ging Thi Cng C&'
/
0
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Trng HGTVTB mn CT GTTP
He"#^k
#^m
He"#^k
#^m
w
: e0#w k "# m
5
: e0#w k "# m
5
"
ae"# k )# m)"
^
ae"# k )# m)
H- t$( n8m H- t$( Lng
" vng r+c c- in$# ^ 6t 6& $- t$(#
) C$Zng nJ t3 2~t B* g trn, e )0)5
Vn t ngang# G Lng, a e )0 )5cm
5 Vn t Lng# w G ngang, a e )0 )5 cm
A.A.1.. Zc 0 / tK chFc thi cng:a. Zu d+ giEn n nhi,u nh&4 c6 Gh^u -Rng nhau.
- \% Z n$>
p7TC
) )0 0
- \% Z :- tr/ t$i cng#
p7TC
H4n$R Qa .] d+c .$ng Y dOng trO t!m
- Tr4n$ t' t$i cng#
+ Qj& r& cc n$>& trn :i j& u :#
+
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Trng HGTVTB mn CT GTTP
p7TC
H4n$R \% Z n$>& in tOc 0 w0 0 m
- \% Z :- tr/ t$i cng#
p7TC
H4n$R Qa .] d+c c* Y dOng trO t!m
- Tr4n$ t' t$i cng#
+ Qj& r& C7 in tOc trn :i j& u :#
+ &R
p7TC
H4n$R \% Z n$>& 0 w0 0 m
- \% Z :- tr/ t$i cng#
p7TC
H4n$R Qa .] n$>& c$/n$ 23 djt t$I n$>& dSn
p7TC
H4n$R Qa .] n$>& c$/n$ au * t$i cng n$>& dSn :8ng cn
c{u
- Tr4n$ t' t$i cng#
+ Qj& r& C7 in tOc trn :i j& u :#
+
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Trng HGTVTB mn CT GTTP
+ & c$/n$ au * t$i cng n$>& dSn :8ng cn c{u#
Trng trng $K& c* Y dOng mqi dSn t$4 ti(n $3n$ a d+c n$>&
c$/n$ au * d`ng cn c{u Lng trn :i ng $@c trn $E nFi
W t$ d mqi dSn# 7$>& dSn $ai : t$i cng :8ng cn c{u#
5#5#)#T/n$ tn a .] d+c trn ng trKt cn n#
A.A.2.1. TEi tr*ng ( ni dung tnh ton.
-
T9i tr+ng tc dOngR+ Tr+ng Kng :9n t$& a#
+ Tr+ng Kng ca mqi dSn#
+ Tr+ng Kng ca ng trKt trn, ti, m=& 23 cc t$i(t :> t$i cng .$c###
- 7i dung t/n$ tnR
+ iWm tra iJu .iEn Fn >n$ ca n$>& a, ;c >n$ c$iJu d3i mqi
dSn 23 ' cn t$i(t &$9i :- tr/ trO t!m#
+ c >n$ 2> tr/ @t trO t!m n(u cn t$i(t#
+ T$i(t .( mqi dSn, m-i n-i t!m 23 ;c >n$ 2zng t!i u mqi
dSn .$i a ra 2> tr/ $Sng t-i a#
+ c >n$ 'c .], c$+n ti, m=& 23 $- t$(#
+ c >n$ & 'c n ng trKt 23 t/n$ tn t$i(t .( ng trKt cn
n#
+ T/n$ tn t$i(t .( 3 gi m rng trO, trO t!m 23 m*ng t!m#
A.A.2.2. jiD+ tra i,u Gi!n Kn &nh ca nh&4 ao.
- c >n$ % : c$iJu d3i n$_ n$6t ca n$>& aR
anhZ LLL += 21i ha LL )6.04.0( =
B#i Ging Thi Cng C&'
/
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Trng HGTVTB mn CT GTTP
Trng *R
Qn$R C$iJu d3i n$>& a#
QaR C$iJu d3i ca mqi dSn#
Q$R C$iJu d3i $Sng 1n n$6t ca n$>& a#
- Tr+ng Kng ca mqi dSnR
aa qkq .1 = 21i nha qq )4.02.0( =Trng * R
V1i mqi dSn c* c$iJu ca t$ay Fi . e 0#)^ 0#5# V1i mqi dSn c* c$iJu ca .$ng t$ay Fi . e "#0
MaR tr+ng Kng mqi dSn t!i m@t cjt c* c$iJu ca dm 1n n$6t#
Ma"R tr+ng Kng mqi dSn t!i m@t cjt c* c$iJu ca dm n$_ n$6t#
Mn$R tr+ng Kng ca n$>& a#
- c >n$ 2> tr/ tr+ng tn$ mmIn gi 23 mmIn t 21i iWm
+ pmIn giR nhhanh
g qLLL
M .2
])[( 2+=
+ pmIn tR nhah
aaaL qLL
xLqk
M .2
)(...
2
)1( 2+
+=
- iJu .iEn Fn >n$ c$-ng t# 8.0
g
L
M
M
- (t Mu9 .iWm traR
+ 7(u iJu .iEn trn .$ng t$4 cn tng t$m c$iJu d3i n$>&
dSn Qa$@c tng t$m - n$>& j& n " n ) n$>
+ 7(u iJu .iEn trn t$Ua n$iJu t$4 nn r=t ngjn c$iJu d3i n$>&
dSn QaW ti(t .iEm c$i &$/#
A.A.2.3. Tnh ton +fi d#n.
a. Tr)c Ghi +fi d#n ch+ (o Qng trt d)i.
- \% Z t/n$ tnR pqi dSn 3m 2iEc t$I % Z dm cng ;n 21i .${u t/n$ tn 3 Qa
- T9i tr+ng t/n$ tnR
+ Tr+ng Kng :9n t$
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Trng HGTVTB mn CT GTTP- c >n$ ni 'c t!i m@t cjt ng3m ?m@t cjt A ca dm t$]
[ ] 2).(.2
1).1(3)4(...
6
1ahnhhaaaK LLqLkkLLqM +++=
AahtcnhK QLLqqQ ++= )).((
- c >n$ 2zng t!i u m=t $Sng ca mqi dSnR gZm ) t$3n$ &$n#
+ 2zng d tr+ng Kng :9n t$n$ ni 'c 23 2zng C7 trng
tUng :1c a .]#
- . jhi +fi d#n t5a (o Qng trt d)i.
- \% Z t/n$R T3n : n$>& a 23 mqi dSn 3 dm in tOc n$iJu n$>
- T9i tr+ng tc dOngR
+ Tr+ng Kng :9n t$
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Trng HGTVTB mn CT GTTPA.A.2.A. Bc &nh 5c G`o ( ch*n tQiL +]4L c4.
- Q'c .] tc dOng In C7 W c$ .(t c6u n$i& c$uyWn ng Ju trn
ng trKt cn &$9i t$jng Kc Lc 4 23 cc 'c c9n :a gZmR 'c ma t,
&$
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Trng HGTVTB mn CT GTTP
ng ./n$ c& "" "#^ "s#^ )5" k
"#^)5 k )w )w k 5 mm
Tr+ng Kng 0#) 0#^ 0#w "#5 "#^ #) #w" TCng u6t " 5^ 0 .
- B- tr/ m=& .]
+ 7(u .] ca ti n$_ $%n 'c .] \ cn t$i(t t$4 &$9i d`ng m=& c*
$E - 1n $%n $@c :8ng t - gia 'c .] cn t$i(t 23 .$9 nng
.] ca tiR
F
Sk=
+ T$I c6u t! ca m=& $E - m=& . Kc ;c >n$ t$I cng t$LcR
1
)1.(
=
n
k
Trng *R R $E - c* $iEu ca m=& 6y :8ng 0,s#
n R TFng - rng r+c tn$ 23 ng ?g+i 3 - $iEu ca m=&A#
TU $ai cng t$Lc trn ta ;c >n$ Kc $E - ca m=& .#
A.A.2.@. Bc &nh 0' ng con On ( thi$t G$ Qng trt.
- /c$ t$1c ca mi ng trKt d1i &$9i 9m :9 :- tr/ - Kng cn n
cn t$i(t 21i .$9ng cc$ gia cc cn n 3R d e "^0 mmA#
- c >n$ - Kng cn n trn " m d3i ng trKt d1i R[ ]#m
Pkn
..=
Trng *R
.R HE - ;]t (n &$& a 23 mqi dSn c$u{n :> gc n ng trKt cu-i c`ng#
+ c >n$ % : c$iJu d3i mi ng trKt d1i#" Trn nJn j& R c"e Qk iL
B#i Ging Thi Cng C&'
/
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Trng HGTVTB mn CT GTTP
) Trn cc ng trKt n$ trOR
\- cn n cn t$i(tR[ ]#mLq
n inh
.2
.
C$iJu d3i ng trKtR cie n# ? 0#"^A
c >n$ 2> tr/ tr+ng t& a 21i iWm cu-i n$>&R
x c >n$ 2> tr/ tr+ng t&R
C c >n$ & 'c 1n n$6t trn "m ng trKt d1i t$I cng t$Lc ca
&$%ng &$& n]n Ec$ t& a n trO t!m#
+ Q'c ma t tc dOng t$I &$%ng d+c cu# 2."&
#F=
+ Q'c gi* ngang "tc dOng 23 n$>& a @t 23 n$ ng trKt#
+ Q'c gi* ngang )tc dOng n trO t!m @t 23 tr+ng t
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Trng HGTVTB mn CT GTTP5#^#"# Cc !i :9n : tng m@t cu
- B9n : tng m@t cu Kc c$ia t$3n$ ) !iR
+ B9n : tng F t!i c$#
+ B9n : tng j& g$]
- B9n m@t cu F t!i c$R
+ 9m :9 t/n$ iJn .$-i ca
+ T$i(t :> t$i cng &$F :i(n 23 .[ t$ut t$i cng %n gi9n#
+ :> nLt ngay trng giai !n t$i cng#
+ ] d3i t$i gian t$i cng#
+ & dOng c$ dm in $K Gia dm 23 :9n : tng c* :- tr/ tr1c $E
t$-ng nI c$-ng trKt# \Y dOng $E dm t$]& 3m 3 gi W g$]&
2n .$un 23 F : tng t!i c$ # \au .$i : tng ng cLng in
.(t nI c* tc dOng n-i :9n : tng c`ng 3m 2iEc 21i dm t$]& d1itc dOng ca tn$ t9i giai !n $ai 23 t9i tr+ng .$ai t$c #
+ u iWm R
B tng iJn .$-i ,3m 2iEc c* tin cy ca #
$ng i $_i t$i(t :> t$i cng c$uyn dOng #
+ 7$Kc iWm R
Tng c$i &$/ c$ 2n .$un #
Ti(n t$i cng .] d3i #
+ 7$ng yu cu -i cng tc t$i cng R
B tng iKc F in tOc, iJn .$-i #
$ng :> nLt 2 d 9n$ $ng ca :i(n d!ng 3 gi 23 d c$>u
'c .$ng $K& N
9m :9 c$iJu d3y :9 2E c-t t$]&
TF c$Lc F : tng &$` $K& 21i :iEn &$& iJu c$n$ ni 'c
trng dm
-
B9n : tng j& g$]&R+ Ti(n t$i cng n$an$#
+ i $_i &$9i c* cc &$%ng tiEn c{u j& c$uyn dOng,#
+ T!i 2> tr/ m-i n-i 23 $- nI &$9i c* &$O gia tr%ng n 23 ng cLng
n$an$#
+ B9n : tng Kc =c Xn t$3n$ tUng t6m# Cc t6m c$ia t$I m-i n-i
ngang cu 23 c* t$W c9 m-i n-i d+c cu# p-i n-i 1t c* c-t t$]&
c$, m-i n-i .$ .$ng c* c-t t$] -i 21i dm .$ng in $K&, :9n
. n m@t dm, .$ng c* nI# -i 21i dm in $K&, :9n c* 2=t 23W c$ c$ nI in .(t c$-ng trKt#
B#i Ging Thi Cng C&'
/
s
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Trng HGTVTB mn CT GTTP
+ u iWm R
Ti(n t$i cng n$an$
Gi9m c$i &$/ 2n .$un
+ 7$Kc iWm R
C* n$iJu m-i n-i , c$6t Kng .$* .iWm t #
i $_i t$i(t :> c{u j& c* tm 21i 1n #
$* t$'c $iEn in .(t nI 23 :9n
+ 7$ng yu cu -i cng tc t$i cng R
Qj& @t c$/n$ ;c , gia m@t dm 23 y :9n &$9i Kc gjn
2a mc ca #
p-i n-i 23 c$ nI &$9i Kc 6& y 23 c$@t :8ng : tng /t
c ng*t #
T$i cng m-i n-i 23 c$ nI &$9i &$` $K& 21i :iEn &$& iJuc$n$ ni 'c trng dm
5#^#)# C6u t! 2n .$un F : tng :9n m@t cu#
[email protected]. + ch thM4L in G$t ngang -Rng d+ ngang
[email protected]. + ch caoL d+ ngang
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Trng HGTVTB mn CT GTTP
[email protected]. qin G$t ngang dng dn ()i in G$t d*c trn
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Trng HGTVTB mn CT [email protected]. TK chFc thi cng 'i ()i cc nh&4 giEn n +]t thUa ( nh&4 in
t7c.
- @c iWm c$ung trng Mu tr4n$ F : tng :9n m@t cu#
+ u6t $iEn mmIn & n3y D ;u6t $iEn mmIn n$ng n$>& .$c#
- -i 21i dm gi9n %n m=t t$Ua .$i c$6t t9i t!i u m=t t$Ua t$4 D g& gia
tr1c m3 &$9i F : tng tU $ai u m=t t$Ua 23 gia# Tuy n$in
2iEct$i cng n$ 2y D &$Lc t!& nn :iEn &$& $K& N n$6t 3 F : tng
tU mt u m=t t$Ua (n $(t n$>& gia t$4 dUng !i, c$ c$ : tng
!t cng ?w0vuA t$4 ti(n $3n$ F : tng tU 2> tr/ dUng (n
$(t u m=t t$Ua cn !i#
- -i 21i .(t c6u n$>& in tOcR Ti(n $3n$ F : tng n$>& gia tr1c trng
&$!m 2i gi1i $!n 0,wQg au \au * F : tng n$>& :in# Tuy n$in .$iF : tng n$>& :n n3y D g& F tr1c
:> 2 d &$ $!i# W .$jc &$Oc ' c- n3y .$i F : tng trn $ai n$>&
:in c* cc$ gi9i Muy(t au
+ F : tng tUng n$>&, c$ c$ : tng !t cng t$4 m1i ti(n
$3n$ F ti(& n$>& cn !i#
+ F : tng c9 ) n$>& t$I % Z cu-n c$i(u, .$i F : tng n$>&tr1c t$4 c$6t t9i tr+ng d8n trn n$>& au# $i F : tng n$>& au
t$4 d dn t9i tr+ng d8n 23 t$ay t$( :8ng t9i tr+ng 2a : tng#
B1c "R F : tng n$>& :in tri
B1c )R F : tng n$>& :in &$9i 23 ;(& t9i tr+ng d8n#
B#i Ging Thi Cng C&'
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Trng HGTVTB mn CT GTTP
B1c R F : tng n$>& gia 23 t$ :_ t9i tr+ng d8n
B1c 5R F : tng &$n :9n trn n$ trO#
5#^#5# TF c$Lc t$i cng :9n m@t cu j& g$]
a Zh$ to -En - tng ]c 0[n.
- qI4 cc -En kTZT n +
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Trng HGTVTB mn CT GTTP
c Th5c hi!n +'i n'i
- T$i cng m-i n-i d+c
- T$i cng m-i n-i ngang
L-W- Trnh tf thi cng c&' d#n thF*
- \9n ;u6t cc t$an$ c6u .iEn trng 7$3 my 23 2n c$uyWn (n cng
trng#
- Qj& @t cc t$an$ d3n t$3n$ .(t c6u t!i cng trng#
- i c$uyWn .(t c6u n$>& ra 2> tr/ 23 @t n g-i cu trn p- TrO#
- Q3m .(t c6u m@t cu, J ngi i :, an can 23 cc trang t$i(t :> trn
cu#
- \%n 23 $3n t$iEn cu#
- uy tu :9 dng cu t$ng ;uyn#
L-X- C5c Fh4ng Fh5F thi cng KCN c&' d#n thF-
- P$%ng &$& j& @t C7 t!i 2> tr/R
+ Qj& @t C7 trn 3 gi c- >n$ .(t $K& 21i trO t!m#
+ Qj& $Sng C7#
+ Qj& :n $Sng ?c* Y dOng 3 gi 23 trO t!m trng Mu tr4n$ j&g$]& C7A
- P$%ng &$& j& C7 trn :i au * di c$uyWn 23 2> tr/#
+ Qa d+c C7#
+ Qa ngang C7#
+ C$ nFi C7#
B#i Ging Thi Cng C&'
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M EF t r( n t r ; t m
M EF I 5 n h [ n g
M EF h [ n g
B i Rn F h 5 F D EF t i c h ZT i ( n t$ i c n g n $ a n $
M a o d c tr ( n 6 n g tr S t c o n D j n
M a o d c tr ( n 6 n g t r S t m a ] 5 t
M a o d c tr ( n t r; 6 k n Ui
B i R n F h 5 F Da o d c\ - 0 K n g n $ >& ,
M a o n g a n g tr ( n 6 n g tr S tT $ a y t$ ( c u c q a n g . $ a i t $ c
C h l n UiC $ c * m t n $ >& d 3 n
B i Rn F h 5 F Da o n g a n gp @ t : 8 n g t $ i c n g c $ P t $ ~ &
M EF t r ( n t r ; t m
M EF I 5 n h [ n g
M EF h [ n g
B iR n F h 5 F D EF t i c h ZT i( n t$ i c n g n $ a n $
M a o d c tr ( n 6 n g tr S t c o n D j n
M a o d c tr ( n 6 n g t r S t m a ] 5 t
M a o d c tr ( n t r ; 6k n Ui
B i Rn F h 5 F D a o d c\ - 0 K n g n $ >& ,
M a o n g a n g tr ( n 6 n g tr S tT $ a y t $ ( c u c q a n g . $ a i t$ c
C h l n U iC $ c * m t n $ >& d 3 n
B i Rn F h 5 F D a o n g a n gp @ t : 8 n g t $ i c n g c $ P t $ ~ &
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Trng HGTVTB mn CT GTTP
L-2- MEF r5F d#n thF tr(n Ii*
5#w#"# Bi j& .(t c6u n$>
A.p.1.2. V& tr -i I4.V> tr/ :i j& dm Kc :- tr/ ngay trn nJn ng j& u cu# Bi
j& u cu Kc :- tr/ t!i nJn j& u cu 21i ca :i :8ng 21i ca
ca ;3 mq m- W t! iJu .iEn t$un Ki trng Mu tr4n$ a .] C7#
\au .$i t$i cng ;ng C7 t$4 m1i ti(n $3n$ F : tng &$n tng n$
ca m-#
A.p.1.2. jch th)c ca -i I4.
- C$iJu d3i ca :iR 10++= muidannhiplaobai LLL ?mA
Trng * R Qn$i&aR 3 c$iJu d3i 1n n$6t ca cc n$>& cn a#
QmuidanR 3 c$iJu d3i ca !n mqi dSn Y dOng .$i a .]#
"0m R 3 &$!m 2i Lng ca cn c{u 23 ;I gng &$Oc 2O trng t$i
cng#
- C$iJu rng ca :i# lecaubai bbBB ++= ?mA
Trng * R
BdanR 3 :J rng &$ :4 ca d3n#
:JR 3 :J rng ng ngi i &$Oc 2O trng Mu tr4n$ t$i cng#
:c{uR 3 ng di c$uyWn c$ cn c{u R :c{ue #^ m#
Trng trng $K& nJn ng u cu .$ng :J rng yu cu ca :i
t$4 ta D &$9i ti(n $3n$ j& t$m ang mt $@c ang c9 $ai :n#
- u cu 2J c6u t! .(t c6u :J m@t ca :i#
+ 7Jn ng u cu 23 m@t ca :i j& dm &$9i Kc m .[, t!
d-c 23 t$t n1c ngang t-t#
+ Trn :J m@t :i &$9i Kc d9i dm W t! &$hng 23 &$
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Trng HGTVTB mn CT GTTP5#w#)# Tr4n$ t' j& r& .(t c6u n$>
A.p.2.1. hng 4h4 I4 theo tng.
- (t c6u n$>& Kc c$ia t$3n$ ) tngR
+ Tng d1iR cc t$an$ :in d1i, $E in .(t d+c d1i 23 $E dm m@t cu#
+ Tng trn R cc t$an$ ;in, t$an$ Lng, cc t$an$ :in trn 23 $E
in .(t d+c trn#- B- tr/ t$i cng#
H 1 ng j&
Qj& tng "
H 1 ng j&
Qj& tng )
P$/a n$ m-
- Tr4n$ t' t$i cngR
+ >n$ 2> tr/ tim d3nR ng tim m@t &$hng d3n tr`ng 21i tim cc g-i
cu trn m-, trO# * trng Mu tr4n$ t$i cng ta :- tr/ ) my
.in$ 2 $@c t$ub :4n$ W ngjm $1ng >n$ 2> tr/ tim m@t
&$hng d3n#
+ >n$ 2> tr/ tim cc n=t d3nR Q6y m]& tng n$ 3m m-c, d`ng my
.in$ 2 ngjm t$hng Zng t$i `i 2J &$/a au W n$ d6u 2>
tr/ cc ti(& iWm ca d3n 23 ca mqi dSn# pqi dSn Kc :- tr/ cc$
m]& ca tng n$ )m#
+ `ng c+c g *ng, n$ d6u cc iWm #
+ Ti(n $3n$ . c$Zng
nJ, t3 2~t t!i cc n=t
d3n# C$Zng nJ Kc
. t!i 2> tr/ u mi
t$an$ :in d1i 23
u dm ngang#
C$iJu ca ca
c$Zng nJ 3R H e
0cm, c$iJu ca ca
nJn dm 3 H e 0cm#
B#i Ging Thi Cng C&'
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Trng HGTVTB mn CT GTTP
+ Qin .(t t!m cc u t$an$ 23 :9n ti(& iWm :8ng cc cn *i 23
:u ng t$i cng# \- Kng cn *i 23 :u ng t$i cng "f - in$
trng :9n ti(& iWm# Trng * c* )f 3 cn *i "f 3 :u ng t$i
cng# $ng Kc d`ng :u ng CC t$ay c$ :u ng t$i cng#
+ Ti(n $3n$ j& tng " c$ (n $(t c$iJu d3i n$>& d3n#
+ Ti(n $3n$ j& tng ) t$I tr4n$ t'R Qj& t$an$ d1i tr1c k t$an$ trnau, t$an$ trng tr1c t$an$ ng3i au# Qj& ./n tUng tam gic c%
:9n W .(t c6u Fn >n$ .$ng :i(n $4n$#
+ -i 21i C7 d3n c* J i : Kc :- tr/ &$/a ng3i d3n t$4 j& cc
dm cng n ca &$n J ngi i : c`ng 21i .$i j& cc t$an$
Lng 23 t$an$ trI#
+ T$I % Z j& cL ) .$ang d3n c$ t$4 ti(n $3n$ j& $E in .(t
d+c trn# $i * cn c{u Lng mt 2> tr/ j& 23 j& un c$ c9
) .$ang#+ 23 d'ng trjc d+c 23 :4n$
Z ca $ai m@t &$hng d3n
t$I t E ca :8ng "0;t E
d3i# Cn cL 23 mLc Ec$
ca cc n=t 21i ng c$u{n,
d`ng ./c$ @t d1i mi n=t d3n
W iJu c$n$ t! 2Zng
t$i(t .( c$ c9 ) :n m@t&$hng d3n, Zng t$i c$n$
2> tr/ cc t$an$ :in d1i c$
c`ng n8m trn mt ng t$hng
au * *ng nm 23 t$ ./c$ ra .$_i n=t#
Trng *R "k ng c$u{n# ), V> tr/ Kc au .$i j& d3n#
+ T$ay t$( cc in .(t n=t t!m :8ng cc in .(t n=t c$/n$ t$Lc#
- P$%ng &$& j& t$I tng 9m :9 c$/n$ ;c ca n$ng t-c t$i
cng c$m# $i j& tng d1i t$4 m cc dm ngang c$ . n ccc$Zng nJ m3 .$ng j& ngay Kc 23 n=t (n .$i j& cc t$an$ Lng
23 t$an$ trI t$4 m1i j& dm ngang c`ng#
A.p.2.2. hng 4h4 I4 cu'n chi$u.
- (t c6u n$>& Kc j& r& $3n c$n$ tUng .$ang t$I t$L t'R
+ Cc t$an$ :in d1i, $E in .(t d+c d1i#
+ m d+c, dm ngang#
+ T$an$ Lng, t$an$ ;in, t$an$ :in trn#
+ HE in .(t d+c trn#
B#i Ging Thi Cng C&'
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Trng HGTVTB mn CT GTTP- Cn c{u di c$uyWn trn ng ray d+c t$I d+c t$I tim .(t c6u n$>&,
c$!y `i dn 2J &$/a au cn cc c6u .iEn Kc cung c6& trn ;I gng tU
&$/a au#
- B- tr/ t$i cngR
- Tr4n$
t' t$i cngR
+ c >n$ 2> tr/ ng tim ca m@t &$hng d3n#
+ c >n$ 2> tr/ tim cc n=t d3n#
+