Đồ án nhà 1 tầng

7/26/2019 n nh 1 tng

1/62

THUYT MINH N

THIT K KHUNG NGANG

NH CNG NGHIP MT

TNG, MT NHP

NHM SV

7/26/2019 n nh 1 tng

2/62

THUYT MINHTHIT K KHUNG NGANG

NH CNG NGHIP MT TNG, MT NHP

A. S LIU TNH TONThit k khung ngang chu lc ca nh cng nghip mt tng,mt nhp vi c!c "# liu ch$ t%&c

nh& "au'

( Nhp khung ngang' ) *+-m.

( /&c khung -0&c ct.' / * 1-m.

( 2hi3u 4i nh' 0 * +56-m.

( 7 4#c m!i' i *+58 +9,:= 5;;,5-"in = < .;;:,5c$" =

( S=c n>ng cu t%?c' @ * +6,:-TAn., cn t%?c lm vic t%ung 0Bnh

( 2a$ t%Bnh C&Dng %aE' ;,9-m.

( Fh>n vGng gi IIJ/ -Ca CiKm L>E 4ng' Ngh n. c'

!p lc gi 665 N6:,+N+6: mkNmdaNW ==

( VOt liu thPp 22TQR c '

2&Dng C tnh t$!n' 66 N6+N6+5 cmkNmmNf ==

2&Dng C chu cUt ' 66 N+6N+65 cmkNmmNfv ==

2&Dng C chu Pp mt' 66 NQ6NQ65 cmkNmmNfem ==

M$Cun Cn hWi' 6R6: N+5J+,6N+5J+,6 cmkNmmNE ==

( /X tng mng ' /+: c 6,: 5,: bR MPa kN cm= =

65,9: 5,59: bt

R MPa kN cm= =

B. THUYT MINH TNH TON

7/26/2019 n nh 1 tng

3/62

I. THIT K G!

Y gW m!i chu t!c 4?ng ca tZi t%[ng tAm m!i, lp c!ch nhit v t%[ng l&\ng 0Zn th>n ca L gWJ

)p m!i v L gW C&\c ch[n t%&c th]$ ti liu ^ F%] _ `ngin]]%]4 /uil4ing" ]"ign ManualbJ Sau

C C&\c kiKm t%a li th]$ Ci3u kin 03n v Ci3u kin 0in 4ng ca L gWJ

( TAm l\p m!i ' -"ingl] "kin pan]l". hBnh 4ng tAm l\p m!i ch[n nh& "au'

2 c!c thng "# kd thuOt '2hi3u 4E

-mm.

T%[ng l&\ng + tAm

-kem6.

Jtch +tAm

-m6.

TZi t%[ng ch$ phPp

-kNm6.5,9 1,:; ,Q; +,;1

( )p c!ch nhit'

7/26/2019 n nh 1 tng

4/62

200

60

1.75

( Y gW ' Ta ch[n L gW hBnh chf ^ ^ 0Xn t%$ng v 6 L gW hBnh chf ^ 2 b ng$i 0iXn nhm

lm tjng n Cnh ch$ m!iJ

HBnh 4ng v c!c thng "# ca L gW chf ^ ^

2h[n tit 4in L gW l tit 4in chf -l l$i L gW C&\c ch t$ t thPp c!n ngui.J

Tit 4inIL

-cmR.

L

-cmQ.

IE

-cmR.

E

-cmQ.

T%[ng

l&\ng

-kgm.

2hi3u

4E

-mm.

in tch

-cm6.

TZi t%[ng

ch$ phPp

-N.

655+9 Q:, Q:, R;,1 9,5+ R,9R +,9: 1,5R +1,RR

Y gW chf -655+9.J Y gW chf 2-+5`S65.J

Tit 4inIL

-cmR.

L

-cmQ.

IE

-cmR.

E

-cmQ.

T%[ngl&\ng

-kgm.

2hi3u4E

-mm.

intch

-cm6.

)

-mm.

+5`S65 R;+,9 R;,+9 9Q,9Q +6,+6 1,++ 6,5 9, 65

". T#$ %&'() %*+ -() /( 01 )2!

TZi t%[ng t!c 4?ng lXn L gW gWm ' tZi t%[ng tn l\p m!i, tZi t%[ng lp c!ch nhit, tZi t%[ng 0Zn th>n

L gW v tZi t%[ng 4$ h$t tZi "oa chfa m!iJ2h[n kh$Zng c!ch gifa c!c L gW t%Xn mt 0ng l ' +,: m

1.75180

7/26/2019 n nh 1 tng

5/62

h$Zng c!ch gifa c!c L gW t%Xn mt phng m!i l ' m:+,+9+,:c$"

:,+5 = J

-7 4#c i * +58 * :,9+$.J

a.Tnh ti:

VOt liu m!iH "# v&\t

tZi

TZi t%[ng tiXu chuqn

-kem6

.

TZi t%[ng tnh t$!n

-kem6

.)p tn l\p m!i +,5: 1,:; 1,;6

Y gW m!i 655+9 +,5: R,9R R,;

Y gW m!i +5`S65 +,5: 1,++ 1,R6

/[t thur tinh c!ch nhit +,6 +5J5 +6,+b . Hot ti:

TZi t%[ng t!c 4?ng lXn L gW 655+9'

( ) ( )Lgtc tc tc tcm m Lg 5a +,:

s g p g 1,:; +5,5 Q5 R,9R 9:,5;c$" c$":,9+

= + + = + + + =

-kem.J

( ) ( )Lgtt tt tt ttm m Lg 5a +,:

s g p g 1,;6 +6,+ Q; R,; ;6,RRc$" c$":,9+

= + + = + + + =

-kem.J

3. K$45 %&6 7$ 01 )2 89 +:'(!

Y gW 4&i t!c 4?ng ca tZi t%[ng lp m!i v h$t tZi "oa chfa C&\c tnh t$!n nh& cAu kin chu u#n

LiXnJ

Ta ph>n tZi t%[ng t!c 4?ng lXn L gW t!c 4?ng th]$ 6 ph&ng vi t%?c L(L t$ vi ph&ng ngang

mt gc * :,9+$-7 4#c i * +58.J

a. Kim tra vi x g ch Z

TZi t%[ng t!c 4?ng th]$ c!c ph&ng L(L v E(E l

T2Y 69Q9(+;;:n

ptc

-kem6.

ptt

-kem6.+,Q Q5 Q;

y

y

x

y

x

x

y

a

q.sina

q.cosaqq.cosaq

q.sina

x

7/26/2019 n nh 1 tng

6/62

tc tc 5Ls s J"in 9:,5;J"in :,9+ 9,R9 ke m= = = J

tc tc 5Es s Jc$" 9:,5;Jc$":,9+ 9R,96 ke m= = = J

tt tt 5Ls s J"in ;6,RR"in:,9+ ;,+; ke m= = = J

tt tt 5Es s Jc$" ;6,RRJc$":,9+ ;+,; ke m= = = J

*Theo iu kin bn:EL

t4 L E c

L E

MMu

= + = +

c* + h "# Ci3u kin lm vicJf *6+55 kecm6' c&Dng C ca thPp L gW

Y gW tnh t$!n th]$ 6 ph&ng C3u l 4m Cn giZn 6 Cu ta lXn L ngang m m]n Ct gi! t% ln

nhAt gifa nhpJ

Ta c 'tt 6 6 6

EL s J/ ;+,;J155 J+5M R+Q;+

= = = -keJcm.

tt 6 6 6L

E

s J/ ;,+;J155 J+5M +5QQ,;

Q6 Q6

= = = -keJcm.

qy qx

6000 3000 3000

Mx

My

S CW tnh L gW th]$ ph&ng L(L v E(E'

6 6t4 L E c

R+Q;+ +5QQ,;+Q5+,+ke cm 6+55ke cm

Q:, 9,5+ = + = + = < =

*Kim tra theo iu kin bin d!n":Y gW c C vng th]$ cZ 6 ph&ng tuE nhiXn C vng th]$ ph&ng mt phng m!i %At nhw nXn c

thK 0w sua , ta chx LPt Cn C vng th]$ ph&ng vung gc vi mt phng m!i E

2ng th=c kiKm t%a 'Q+ :J+5

/ / 655 < = =

Ta c 'tc R 6 R

EE 1

L

s J/: : 9R,96J+5 J155J J +,19cm

QR `JI QR 6,+J+5 JQ:,

= = =

Q Q+,19 5,556 6,J+5 :J+5/ 155

= = = n t% "# s vi *+,5R - vB +5m H*++,+m +:m.

( k l h "# kK Cn " thaE Ci !p lc gi th]$ chi3u ca$, ph? thuc v$ 4ng Ca hBnhJ k L!c Cnh

hai m=c, m=c Cxnh ct v m=c Cxnh m!iJ

( M=c Cxnh ct ca$ t%Bnh ++,+ -m. c kc* +,5+ -ni "uE.J

( M=c Cxnh m!i ca$ t%Bnh ++,+ z ;tg:,9+5*+6 m -m. c km* +,5Q6 -ni "uE.J

*5i6 theo .h78n" n"an" nh9:

( TZi t%[ng gi t!c 4?ng lXn ct'

z Fha Cn gi' +,6J+,6:J+,5+J5,J1J+,5R * 9,16 -kNm.

z Fha khuAt gi' +,6J+,6:J+,5+J5,:6QJ1J+,5R * R,; -kNm.

( TZi t%[ng gi t!c 4?ng lXn m!i'

z Fha Cn gi' +,6J+,6:J+,5Q6J5,:J1J+,5R * :,1 -kNm.

z Fha khuAt gi'+,6J+,6:J+,5Q6J5,R6QJ1J+,5R * R,5; -kNm.

*5i6 theo .h78n" d$c nh9:( TZi t%[ng gi t!c 4?ng lXn ct' +,6J+,6:J+,5+J5,:6QJ1J+,5R * R,; -kNm.

( TZi t%[ng gi t!c 4?ng lXn m!i' +,6J+,6:J+,5Q6J5,9J1J+,5R * 1,99 -kNm.

7/26/2019 n nh 1 tng

13/62

E. *+ 8;(: F %$% $J( ng ca cu t%?c l khng ln nXn ch[n ph&ng !n ct tit 4in khng CiJ

2hi3u 4i tnh t$!n t%$ng mt phng khung ca ct tit 4in khng Ci L!c Cnh th]$ cng th=c "au'

:/; J=

z Y!c Cnh h "# chi3u 4i tnh t$!n ,

tx "# C c=ng Cn v gifa L v ct'

c$t

c$t

J ++,+' +J 5,16

J +;a ;a< < < n

3 < 3 = = = =

-giZ thit m$m]n su!n tnh ca tit 4in L v ct l nh& nhau.

T%&Dng h\p ct liXn kt ngm vi mngJ

5,:1+,6R1

5,+R

n

n

+= =

+

+,6R1J++,+ +Q,Q- .;/ m= =

2hi3u 4i tnh t$!n ca ct th]$ ph&ng ng$i mt phng khung - */ . lAE 0ng kh$Zng c!ch gifa

c!c CiKm c# Cnh khng ch$ ct chuEKn v th]$ ph&ng 4[c nh - 4m cu t%?c, ging ct, L

ngangJJJ.J giZ thit 0# t% ging ct 4[c nh 0ng thPp hBnh chf 2 ti ca$ t%Bnh zQJ:55, t=c l kh$Zng

c!ch t ct mng Cn 4m hm, nXn m/* :,Q= J

E.".3 *+ 8;(: F %$% $J(.

2hi3u ca$ tit 4in ct h C&\c ch[n " 0 th]$ EXu cu v3 C c=ng v cAu t$'

-++: + 65. -5,::: 5,9R.h m= = , ch[n h*5,:1 mJ

Th]$ c!c Ci3u kin v3 cAu t$ v n Cnh c?c 0 ch[n C&\c kch th&c tit 4in ct nh& "au'

cmcmt= .:,51,5-1,515.J+55N+95N+- == , ch[n cmt= ,5= J

-5,Q 5,:. -+1, 6.fb h cm= = , ch[n cmbf 65= J

=fff ttEfbt

7/26/2019 n nh 1 tng

14/62

6J :1 6J+ :R= fh h t cm= = =

VOE ch[n " 0 tit 4in ct'

( 2hi3u 4i 0?ng:R- .

=h cm

=

( 2hi3u 4E 0?ng .-,5 cmt= =

( /3 %ng c!nh .-65 cmbf =

( /3 4E c!nh .-+ cmtf =

200

560

8

10 10

>nh ?,@: Tit din cAt

E.".E *+ 8;(: 8+ %&>() :(: :'+ +@6 %$% $J( +%.

( * :RJ5,z6J65J+ * Q,6 - 6cm .J

+++= ff

f=ff==; tb

thtbht

7/26/2019 n nh 1 tng

15/62

1

6+5595 ; 6 6R

6 + +5; ;, f F E B B

B = = =

1

6+55++ R: Q 9R1

6 + +5* *, f F E B B

B = = =

E.3. *+ 8;(: F %$% $J( 01 ()6() 01 5.

E.3.".?+ %$% $J(

VB nhp khung l +m nXn ta ch[n ph&ng !n chia L ngang thnh 6 C$nJ kin C$n L gn g#i

4i Qm, c 4ng hBnh nXm, C c=ng Cu v cu#i C$n l +

7/26/2019 n nh 1 tng

16/62

H(:E.E! T$% $J( 8Q7( 01

R. S TNH KHUNG NGANG.R." SF 82 %=(:.

S CW tnh l khung

phng c m!i 4#c -hBnh

v~., liXn kt ngm vi

mng, liXn kt ct vi L

v liXn kt ti Cxnh L l

c=ngJ T%?c khung t%Gngt%?c Cnh vJ So 4?ng phn

m3n SF6555 CK tnh

t$!n, tit 4in v tZi t%[ng

khai 0!$ C&\c tnh t$!n "

0 nh& 0XnJ

18000

3000 6000 30006000

11100

D060

2040

Jo - n xL 1

Jo- n xL 2 (M* M* &ay JNi * iM* Bin

11.10

ID.06

I0.00

D00

12.00

>nh I,@: 8 J tnh khun" n"an"

R.3 C*+ %&>() :V %#$ %&'().

( Fh&ng !n + ' Tnh tZi

7/26/2019 n nh 1 tng

17/62

>nh I,@: 8 J tnh khun" vLi t#i tr$n" th7n" ;un C tOnh t#iD

( Fh&ng !n 6 ' H$t tZi noa t%!i

>nh I,: 8 J tnh ho!t t#i m%i tr%i

Fh&ng !n Q ' H$t tZi noa phZi

>nh I,?: 8 J tnh ho!t t#i m%i .h#i

7/26/2019 n nh 1 tng

18/62

( Fh&ng !n R ' H$t tZi cZ m!i

>nh I,I: 8 J tnh ho!t t#i c# m%i

( Fh&ng !n : ' maLt%!i

>nh I,Q: 8 J tnh khun" vLi %. /0c 1n" +ma;tr%i

( Fh&ng !n 1 ' maLphZi

>nh I,: 8 J tnh khun" vLi %. /0c 1n" +ma;.h#i

( Fh&ng !n 9 ' T t%!i z

7/26/2019 n nh 1 tng

19/62

>nh I,S: 8 J tnh khun" vLi /0c h4m n"an" T tr%i

( Fh&ng !n ' T t%!i _

>nh I,U: 8 J tnh khun" vLi /0c h4m n"an" T tr%i V

( Fh&ng !n ; ' T phZi

>nh I,: 8 J tnh khun" vLi /0c h4m n"an" T .h#i ( Fh&ng !n +5 ' T phZi _

7/26/2019 n nh 1 tng

20/62

>nh I,@X: 8 J tnh khun" vLi /0c h4m n"an" T .h#i '

( Fh&ng !n ++ ' ei t%!i

>nh I,@@: 8 J tnh khun" vLi "i6 tr%i n"an" nh9

( Fh&ng !n +6 ' ei phZi

HBnh RJ+6' S CW tnh khung vi gi phZi ngang nh

( Fh&ng !n +Q ' ei 4[c

7/26/2019 n nh 1 tng

21/62

>nh I,@?: 8 J tnh khun" vLi "i6 d$c nh9

W.C NH NI LXC.

Ni lc t%$ng khung ngang C&\c L!c Cnh vi tng t%&Dng h\p chAt tZi 0ng phn m3m

SF6555J t suZ tnh t$!n C&\c thK hin 4&i 4ng c!c 0iKu CW, v 0Zng t h\p ni lcJ$ khung

c kt cAu C#i L=ng v tZi t%[ng C#i L=ng nXn ta chx t h\p ni lc v tnh t$!n ch$ mt noa khung

-ch[n noa khung 0Xn t%!i.J S# hiu thanh -%am]. v CiKm -$int. t%$ng SF nh& hBnh

>nh Q,@: Y hiu thanh v9 im tron" GP

7/26/2019 n nh 1 tng

22/62

>nh Q,: MZmen do tOnh t#i

>nh Q,?: 30c d$c do tOnh t#i

>nh Q,I: 30c c[t do tOnh t#i

7/26/2019 n nh 1 tng

23/62

>nh Q,Q: MZmen do ho!t t#i ch\t n]a m%i tr%i

>nh Q,: 30c d$c do ho!t t#i ch\t n]a m%i tr%i

>nh Q,S: 30c c[t do ho!t t#i ch\t n]a m%i tr%i

7/26/2019 n nh 1 tng

24/62

>nh Q,U: MZmen do ho!t t#i ch\t n]a m%i .h#i

>nh Q,: 37c d$c do ho!t t#i ch\t n]a m%i .h#i

>nh Q,@X: 30c c[t do ho!t t#i n]a m%i .h#i

7/26/2019 n nh 1 tng

25/62

>nh Q,@@: MZmen do ho!t t#i ch\t ) CT tr%iT .h#iD

>nh Q,@: 30c d$c do ho!t t#i ch\t ) CT tr%iT .h#iD

>nh Q,@?: 30c c[tdo ho!t t#i ch\t ) CT tr%iT .h#iD

7/26/2019 n nh 1 tng

26/62

>nh Q,@I: MZmen do %. /0c c)u tr&c maL+ ^t trn cAt tr%i

>nh Q,@Q: 30c d$c do %. /0c c)u tr&c maL+ ^t trn cAt tr%i

>nh Q,@: 30c c[t do %. /0c c)u tr&c maL+ ^t trn cAt tr%i

7/26/2019 n nh 1 tng

27/62

>nh Q,@S: MZmen do %. /0c c)u tr&c maL+ ^t trn cAt .h#i

>nh Q,@U: 30c d$c do %. /0c c)u tr&c maL+ ^t trn cAt .h#i

>nh Q,@: 30c c[t do %. /0c c)u tr&c maL+ ^t trn cAt .h#i

7/26/2019 n nh 1 tng

28/62

>nh Q,X: MZmen do /0c h4m T ^t /n cAt tr%i

>nh Q,@: 30c d$c do /0c h4m T ^t /n cAt tr%i

>nh Q,: 30c c[t do /0c h4m T ^t /n cAt tr%i

7/26/2019 n nh 1 tng

29/62

>nh Q,?: MZmen do /0c h4m T' ^t /n cAt tr%i

>nh Q,I: 30c d$c do /0c h4m T' ^t /n cAt tr%i

>nh Q,Q: 30c c[t do /0c h4m T ' ^t /n cAt tr%i

7/26/2019 n nh 1 tng

30/62

>nh Q,: MZmen do /0c h4m T ^t /n cAt .h#i

>nh Q,S: 30c d$c do /0c h4m T ^t /n cAt .h#i

>nh Q,U: 30c c[t do /0c h4m T ^t /n cAt .h#i

7/26/2019 n nh 1 tng

31/62

>nh Q,: MZmen do /0c h4m T' ^t /n cAt .h#i

>nh Q,?X: 30c d$c do /0c h4m T' ^t /n cAt .h#i

>nh Q,?@: 30c c[t do /0c h4m T' ^t /n cAt .h#i

7/26/2019 n nh 1 tng

32/62

>nh Q,?: MZmen do "i6 tr%i _an"

>nh Q,??: 30c d$c do "i6 tr%i _an"

>nh Q,?I: 30c c[t do "i6 tr%i _an"

7/26/2019 n nh 1 tng

33/62

>nh Q,?Q: MZmen do "i6 .h#i _an"

>nh Q,?: 30c d$c do "i6 .h#i _an"

>nh Q,?S: 30c c[t do "i6 .h#i _an"

7/26/2019 n nh 1 tng

34/62

>nh Q,?U: MZmen do "i6 d$c

>nh Q,?: 30c d$c do "i6 d$c

B#() %:D()

7/26/2019 n nh 1 tng

35/62

TABLE: Element Forces - Frames TT Tnh ti

Frame Station OutputCase P V2 M3 HTT Hot ti tri

Text m Text KN KN KN-m HTP Hot ti phi

1 0.00 TT -42.58 -7.21 -35.20 HTC Hot ti c mi

1 9.06 TT -36.89 -7.21 30.11 DMT Dmax tri

1 0.00 HTT -16.20 -3.95 -17.26 DMP Dmax phi

1 9.06 HTT -16.20 -3.95 18.54 TTD T ct tri +1 0.00 HTP -4.97 -3.95 -23.06 TTA T ct tri -

1 9.06 HTP -4.97 -3.95 12.74 TPD T ct phi +

1 0.00 HTC -21.17 -7.90 -40.32 TPA T ct phi -

1 9.06 HTC -21.17 -7.90 31.28 GT Gi tri

1 0.00 DMT -196.24 -7.36 1.47 GP Gi phi

1 9.06 DMT -196.24 -7.36 68.19 GD Gi dc

1 0.00 DMP -44.10 -7.36 -45.97

1 9.06 DMP -44.10 -7.36 20.75

1 0.00 TTD 0.74 5.47 37.07

1 9.06 TTD 0.74 5.47 -12.46

1 0.00 TTA -0.74 -5.47 -37.07

1 9.06 TTA -0.74 -5.47 12.46

1 0.00 TPD 0.74 2.94 25.85

1 9.06 TPD 0.74 2.94 -0.81

1 0.00 TPA -0.74 -2.94 -25.85

1 9.06 TPA -0.74 -2.94 0.81

1 0.00 GT 53.77 95.61 435.30

1 9.06 GT 53.77 26.58 -118.22

1 0.00 GP 33.87 -44.25 -223.28

1 9.06 GP 33.87 0.87 -26.79

1 0.00 GD 61.23 -12.31 31.64

1 9.06 GD 61.23 32.81 -61.26

2 0.00 TT -42.58 7.21 35.20

2 9.06 TT -36.89 7.21 -30.11

2 0.00 HTT -4.97 3.95 23.06

2 9.06 HTT -4.97 3.95 -12.74

2 0.00 HTP -16.20 3.95 17.26

2 9.06 HTP -16.20 3.95 -18.54

2 0.00 HTC -21.17 7.90 40.32

2 9.06 HTC -21.17 7.90 -31.28

2 0.00 DMT -44.10 7.36 45.97

2 9.06 DMT -44.10 7.36 -20.75

2 0.00 DMP -196.24 7.36 -1.47

2 9.06 DMP -196.24 7.36 -68.19

2 0.00 TTD -0.74 2.94 25.852 9.06 TTD -0.74 2.94 -0.81

2 0.00 TTA 0.74 -2.94 -25.85

2 9.06 TTA 0.74 -2.94 0.81

2 0.00 TPD -0.74 5.47 37.07

2 9.06 TPD -0.74 5.47 -12.46

2 0.00 TPA 0.74 -5.47 -37.07

2 9.06 TPA 0.74 -5.47 12.46

2 0.00 GT 33.87 44.25 223.28

2 9.06 GT 33.87 -0.87 26.79

2 0.00 GP 53.77 -95.61 -435.30

2 9.06 GP 53.77 -26.58 118.22

2 0.00 GD 61.23 12.31 -31.64

2 9.06 GD 61.23 -32.81 61.26

3 0.00 TT -24.11 -7.21 23.72

3 2.04 TT -23.44 -7.21 38.42

7/26/2019 n nh 1 tng

36/62

3 0.00 HTT -16.20 -3.95 18.54

3 2.04 HTT -16.20 -3.95 26.60

3 0.00 HTP -4.97 -3.95 12.74

3 2.04 HTP -4.97 -3.95 20.80

3 0.00 HTC -21.17 -7.90 31.28

3 2.04 HTC -21.17 -7.90 47.40

3 0.00 DMT 1.43 -7.36 -30.65

3 2.04 DMT 1.43 -7.36 -15.63

3 0.00 DMP -1.43 -7.36 -4.85

3 2.04 DMP -1.43 -7.36 10.18

3 0.00 TTD 0.74 -2.94 -12.46

3 2.04 TTD 0.74 -2.94 -6.46

3 0.00 TTA -0.74 2.94 12.46

3 2.04 TTA -0.74 2.94 6.46

3 0.00 TPD 0.74 2.94 -0.81

3 2.04 TPD 0.74 2.94 -6.82

3 0.00 TPA -0.74 -2.94 0.81

3 2.04 TPA -0.74 -2.94 6.82

3 0.00 GT 53.77 26.58 -118.22

3 2.04 GT 53.77 11.03 -156.58

3 0.00 GP 33.87 0.87 -26.79

3 2.04 GP 33.87 11.03 -38.93

3 0.00 GD 61.23 32.81 -61.26

3 2.04 GD 61.23 42.97 -138.57

4 0.00 TT -24.11 7.21 -23.72

4 2.04 TT -23.44 7.21 -38.42

4 0.00 HTT -4.97 3.95 -12.74

4 2.04 HTT -4.97 3.95 -20.80

4 0.00 HTP -16.20 3.95 -18.54

4 2.04 HTP -16.20 3.95 -26.60

4 0.00 HTC -21.17 7.90 -31.28

4 2.04 HTC -21.17 7.90 -47.404 0.00 DMT -1.43 7.36 4.85

4 2.04 DMT -1.43 7.36 -10.18

4 0.00 DMP 1.43 7.36 30.65

4 2.04 DMP 1.43 7.36 15.63

4 0.00 TTD -0.74 2.94 -0.81

4 2.04 TTD -0.74 2.94 -6.82

4 0.00 TTA 0.74 -2.94 0.81

4 2.04 TTA 0.74 -2.94 6.82

4 0.00 TPD -0.74 -2.94 -12.46

4 2.04 TPD -0.74 -2.94 -6.46

4 0.00 TPA 0.74 2.94 12.46

4 2.04 TPA 0.74 2.94 6.46

4 0.00 GT 33.87 -0.87 26.79

4 2.04 GT 33.87 -11.03 38.93

4 0.00 GP 53.77 -26.58 118.22

4 2.04 GP 53.77 -11.03 156.58

4 0.00 GD 61.23 -32.81 61.26

4 2.04 GD 61.23 -42.97 138.57

5 0.00 TT -8.91 -16.70 -38.42

5 1.51 TT -8.61 -13.67 -15.53

5 3.01 TT -8.31 -10.65 2.80

5 0.00 HTT -5.54 -15.72 -26.60

5 1.51 HTT -5.19 -12.21 -5.54

5 3.01 HTT -4.84 -8.70 10.22

5 0.00 HTP -4.43 -4.55 -20.80

5 1.51 HTP -4.43 -4.55 -13.94

5 3.01 HTP -4.43 -4.55 -7.08

7/26/2019 n nh 1 tng

37/62

5 0.00 HTC -9.97 -20.27 -47.40

5 1.51 HTC -9.62 -16.76 -19.48

5 3.01 HTC -9.27 -13.25 3.15

5 0.00 DMT -7.19 2.16 15.63

5 1.51 DMT -7.19 2.16 12.37

5 3.01 DMT -7.19 2.16 9.12

5 0.00 DMP -7.47 -0.69 -10.18

5 1.51 DMP -7.47 -0.69 -9.13

5 3.01 DMP -7.47 -0.69 -8.08

5 0.00 TTD -2.86 1.03 6.46

5 1.51 TTD -2.86 1.03 4.91

5 3.01 TTD -2.86 1.03 3.37

5 0.00 TTA 2.86 -1.03 -6.46

5 1.51 TTA 2.86 -1.03 -4.91

5 3.01 TTA 2.86 -1.03 -3.37

5 0.00 TPD 3.00 0.44 6.82

5 1.51 TPD 3.00 0.44 6.15

5 3.01 TPD 3.00 0.44 5.49

5 0.00 TPA -3.00 -0.44 -6.82

5 1.51 TPA -3.00 -0.44 -6.15

5 3.01 TPA -3.00 -0.44 -5.49

5 0.00 GT 16.33 52.41 156.58

5 1.51 GT 15.49 44.01 83.90

5 3.01 GT 14.65 35.61 23.89

5 0.00 GP 14.35 32.61 38.93

5 1.51 GP 13.73 26.47 -5.60

5 3.01 GP 13.12 20.34 -40.88

5 0.00 GD 48.85 56.65 138.57

5 1.51 GD 47.84 46.50 60.81

5 3.01 GD 46.82 36.34 -1.63

6 0.00 TT -8.31 10.65 2.80

6 1.51 TT -8.61 13.67 -15.536 3.01 TT -8.91 16.70 -38.42

6 0.00 HTT -4.43 4.55 -7.08

6 1.51 HTT -4.43 4.55 -13.94

6 3.01 HTT -4.43 4.55 -20.80

6 0.00 HTP -4.84 8.70 10.22

6 1.51 HTP -5.19 12.21 -5.54

6 3.01 HTP -5.54 15.72 -26.60

6 0.00 HTC -9.27 13.25 3.15

6 1.51 HTC -9.62 16.76 -19.48

6 3.01 HTC -9.97 20.27 -47.40

6 0.00 DMT -7.47 0.69 -8.08

6 1.51 DMT -7.47 0.69 -9.13

6 3.01 DMT -7.47 0.69 -10.18

6 0.00 DMP -7.19 -2.16 9.12

6 1.51 DMP -7.19 -2.16 12.37

6 3.01 DMP -7.19 -2.16 15.63

6 0.00 TTD -3.00 0.44 -5.49

6 1.51 TTD -3.00 0.44 -6.15

6 3.01 TTD -3.00 0.44 -6.82

6 0.00 TTA 3.00 -0.44 5.49

6 1.51 TTA 3.00 -0.44 6.15

6 3.01 TTA 3.00 -0.44 6.82

6 0.00 TPD 2.86 1.03 -3.37

6 1.51 TPD 2.86 1.03 -4.91

6 3.01 TPD 2.86 1.03 -6.46

6 0.00 TPA -2.86 -1.03 3.37

6 1.51 TPA -2.86 -1.03 4.91

7/26/2019 n nh 1 tng

38/62

6 3.01 TPA -2.86 -1.03 6.46

6 0.00 GT 13.12 -20.34 -40.88

6 1.51 GT 13.73 -26.47 -5.60

6 3.01 GT 14.35 -32.61 38.93

6 0.00 GP 14.65 -35.61 23.89

6 1.51 GP 15.49 -44.01 83.90

6 3.01 GP 16.33 -52.41 156.58

6 0.00 GD 46.82 -36.34 -1.63

6 1.51 GD 47.84 -46.50 60.81

6 3.01 GD 48.85 -56.65 138.57

7 0.00 TT -8.31 -10.65 2.80

7 3.01 TT -7.74 -4.97 26.33

7 6.03 TT -7.17 0.72 32.73

7 0.00 HTT -4.84 -8.70 10.22

7 3.01 HTT -4.14 -1.68 25.88

7 6.03 HTT -3.44 5.34 20.37

7 0.00 HTP -4.43 -4.55 -7.08

7 3.01 HTP -4.43 -4.55 6.64

7 6.03 HTP -4.43 -4.55 20.37

7 0.00 HTC -9.27 -13.25 3.15

7 3.01 HTC -8.57 -6.23 32.52

7 6.03 HTC -7.86 0.79 40.73

7 0.00 DMT -7.19 2.16 9.12

7 3.01 DMT -7.19 2.16 2.61

7 6.03 DMT -7.19 2.16 -3.90

7 0.00 DMP -7.47 -0.69 -8.08

7 3.01 DMP -7.47 -0.69 -5.99

7 6.03 DMP -7.47 -0.69 -3.90

7 0.00 TTD -2.86 1.03 3.37

7 3.01 TTD -2.86 1.03 0.27

7 6.03 TTD -2.86 1.03 -2.83

7 0.00 TTA 2.86 -1.03 -3.377 3.01 TTA 2.86 -1.03 -0.27

7 6.03 TTA 2.86 -1.03 2.83

7 0.00 TPD 3.00 0.44 5.49

7 3.01 TPD 3.00 0.44 4.16

7 6.03 TPD 3.00 0.44 2.83

7 0.00 TPA -3.00 -0.44 -5.49

7 3.01 TPA -3.00 -0.44 -4.16

7 6.03 TPA -3.00 -0.44 -2.83

7 0.00 GT 14.65 35.61 23.89

7 3.01 GT 12.97 18.81 -58.14

7 6.03 GT 11.29 2.01 -89.52

7 0.00 GP 13.12 20.34 -40.88

7 3.01 GP 11.89 8.07 -83.70

7 6.03 GP 10.67 -4.20 -89.52

7 0.00 GD 46.82 36.34 -1.63

7 3.01 GD 44.79 16.03 -80.59

7 6.03 GD 42.76 -4.28 -98.31

8 0.00 TT -7.17 -0.72 32.73

8 3.01 TT -7.74 4.97 26.33

8 6.03 TT -8.31 10.65 2.80

8 0.00 HTT -4.43 4.55 20.37

8 3.01 HTT -4.43 4.55 6.64

8 6.03 HTT -4.43 4.55 -7.08

8 0.00 HTP -3.44 -5.34 20.37

8 3.01 HTP -4.14 1.68 25.88

8 6.03 HTP -4.84 8.70 10.22

8 0.00 HTC -7.86 -0.79 40.73

7/26/2019 n nh 1 tng

39/62

8 3.01 HTC -8.57 6.23 32.52

8 6.03 HTC -9.27 13.25 3.15

8 0.00 DMT -7.47 0.69 -3.90

8 3.01 DMT -7.47 0.69 -5.99

8 6.03 DMT -7.47 0.69 -8.08

8 0.00 DMP -7.19 -2.16 -3.90

8 3.01 DMP -7.19 -2.16 2.61

8 6.03 DMP -7.19 -2.16 9.12

8 0.00 TTD -3.00 0.44 -2.83

8 3.01 TTD -3.00 0.44 -4.16

8 6.03 TTD -3.00 0.44 -5.49

8 0.00 TTA 3.00 -0.44 2.83

8 3.01 TTA 3.00 -0.44 4.16

8 6.03 TTA 3.00 -0.44 5.49

8 0.00 TPD 2.86 1.03 2.83

8 3.01 TPD 2.86 1.03 -0.27

8 6.03 TPD 2.86 1.03 -3.37

8 0.00 TPA -2.86 -1.03 -2.83

8 3.01 TPA -2.86 -1.03 0.27

8 6.03 TPA -2.86 -1.03 3.37

8 0.00 GT 10.67 4.20 -89.52

8 3.01 GT 11.89 -8.07 -83.70

8 6.03 GT 13.12 -20.34 -40.88

8 0.00 GP 11.29 -2.01 -89.52

8 3.01 GP 12.97 -18.81 -58.14

8 6.03 GP 14.65 -35.61 23.89

8 0.00 GD 42.76 4.28 -98.31

8 3.01 GD 44.79 -16.03 -80.59

8 6.03 GD 46.82 -36.34 -1.63

B#() %:D()

7/26/2019 n nh 1 tng

40/62

C

7/26/2019 n nh 1 tng

41/62

e 5,99 5,1Q :,+9 R,1: (R,Q+ (Q, 5,1 5,99 Q,59 6,91 (+,16 (+,R1 +,:5 +,Q: (+,:5 (+,Q: 5,;6 5,6 (5,;6

7/26/2019 n nh 1 tng

42/62

B#() %h :V ($ +

-7n v tnh'kNJm.

C

7/26/2019 n nh 1 tng

43/62

OP N Q* c>/ THR "SH% THs. N/yn *&an&&n

a. THIT K TIT [IN CjU KIN

a.". T:$%

7/26/2019 n nh 1 tng

44/62

250

500

10

20 20


/3 4E 0Zn 0?ng'

+ +5,1

95 +55 =

t h cm

*} 2h[n t * + -cm.

Tit 4in ct nh& "au'

z /Zn c!nh' -6 6:.- . cm

z /Zn 0?ng' -+ :5.- .cm

Tnh c!c Cc t%&ng hBnh h[c ca tit 4in C ch[n'6 +JR1 6-6J6:. +R1- .cm= + =

( )( )

QQR

5,: 6: + R16:J:56 1:9RR,19

+6 +6;< cm

= =

( )

Q QR+ JR1 6J6:

6 :6+6+6 +6*< cm= + =

( )QJ6 1:9RR,19J6

616;,R5

;

;

7/26/2019 n nh 1 tng

45/62


.! Kim tra ti;t 2i=n c>t '? ch*n.

@,,@ Kim tra bn,

$ 5,;J++,Q ++,+1 65em = = < hng phZi kiKm t%a 03nJ

@,, Kim tra iu kin n nh tn" th,

7i3u kin n Cnh tng thK ca ct t%$ng mt phng khung C&\c kiKm t%a th]$ cng th=c

"auJ

L c

]

NJ

J = <

Vi L 6,51 = v ]m ++,+1= , t%a 0Zng IIJ6 ph? l?c, ni "uE ta c' ] 5,++: = "uE %a'

6L c

+1:,;;;, J 5,;J6+ +,;-kN cm .

5,++:J+R1 = = < = =

7i3u kin n Cnh tng thK ca ct ng$i mt phng khung C&\c kiKm t%a th]$ cng th=c

"auJ-th]$ Ci3u :JRJ6J: T2YVN ' QQ(655:.

fGc

Nc

*

* JJJ

7/26/2019 n nh 1 tng

46/62


n Cnh c?c 0 ca 0Zn c!nh ct C&\c kiKm t%a th]$ cng th=c "au'

ff t

b

t

b 55

Vi ' 50 t 6: +

0 +6-cm.6 6

= = =

t%Xn, vB' L5, 6,51 R< = < , nXn '

R5

L

0 ` 6,+J+5-5,Q1 5,+J .J 5,Q1 5,+J6,51J 1,9

t 6+

= + = + =

"uE %a'

5 5

0 0+61 1,9

t 6 t

= = < =

/Zn c!nh khng 0 mAt n Cnh c?c 0bD n nh c&c bA b#n b&n",

n Cnh c?c 0 ca 0Zn 0?ng ct C&\c kiKm t%a th]$ cng th=c "au'

=

=

=

=

t

h

t

h

Vi 0Zn 0?ng ct 4$ Lm ++,Q += > < L 6,51 6 = > v khZ njng chu lc ca ct C&\c suEt

Cnh 0i Ci3u kin n Cnh tng thK t%$ng mt phng u#n .- *; > nXn th]$ 0Zng 6J6 ta c'

RL

h ` 6,+J+5-+,Q 5,Q:J . -+,6 5,Q:J6,51. 15,9t 6+

= + = + =

ta c' ,

h R1R1 Q,+ ` N u ;

t += = < =

,

h R1R1 6,Q ` N u 9Q

t += = < = hng phZi Ct v!ch c=ng

,

h hR1R1 15,9

t + t

= = < =

$ vOE 0Zn 0?ng ct n Cnh c?c 0J

a.3. T:$%

7/26/2019 n nh 1 tng

47/62


M m]n ch#ng u#n cn thit cZu tit 4in L ngang L!c Cnh'

( )6

Ec Q

L

c

M 6Q5,Q6J+5 +5;1,9 cm

u 6+J+= = =

2hi3u ca$ ca tit 4in L L!c Cnh t Ci3u kin t#i &u v3 chi ph vOt liuJ Vi 03 4E 0Zn 0?ngch[n " 0 l + cmJ

( ) ( )EcL

+5;1,9h k +,+: +,6 Q,5 Q;,9 cmt +

= = =

2h[n h*15 cmJiKm t%a 03 4E 0Zn 0?ng t Ci3u kin chu cUtJ

( )

( ) ( )

v c

Q Vt + cm

6 h

Q 9Q,;t + cm 5,+: cm

6 15J+6J+

= > =

in tch tit 4in cn thit ca 0Zn c!nh L L!c Cnh th]$ cng th=cJ

( ) ( )6 Q

EcEc Ec 6 L 6 6

k

t hh 6 15 +J:1 6 0 t +5;1,9J +5,+1 cm

6 +6 h 6 +6 : = = = =

Th]$ EXu cu cAu t$ v n Cnh c?c 0, kch th&c 0Zn c!nh C&\c ch[n nh& "au'

7/26/2019 n nh 1 tng

48/62


$ mL * 61,RR } 65 ( )] Lm m 65 + = > > n;n *iQ* Bin xL nan J)c *Gn&*on iV *a *&o JiW/ in @Wn.

( )6

6 6L c

n Ln

N M R+,: 6Q5,Q6J+59, kN cm J 6+-kN cm .

+:1 Q6;6 = + = + = < =

Ti tit 4in Cu L c mm]n u#n v lc cUt cGng t!c 4?ng nXn cn kiKm t%a =ng "uAt t&ngC&ng ti ch tip Lc gifa 0Zn c!nh v 0Zn 0?ng'

6 6t4 + + cQ +,+: = +

t%$ng C' ( )6

6+

L

hM 6Q5,Q6J+5 :1J J 1,: kN cm

h Q6;6 15 = = =

6+

L

VJS 9Q, ;J+R:5+,5-kN cm .

I Jt ;91J+ = = =

t%Xn ' fE ( mm]n tnh ca mt c!nh 4m C#i vi t%?c t%ung h$ L(L'Q

S 0 Jt J-h 6 t 6. 6:J6-15 6. 6 +R:5-cm .= = =

VOE' ( )6 6 6 6t4 c1,: QJ+,5 1,9 kN cm +,+: J 6R,+:-kN cm . = + = < =.@,?, Kim tra n nh c&c bA c2a b#n c%nh v9 b#n b&n"

( ) R5

5,: 6: +0 + ` + 6,+J+5+6 +:,+

t + 6 6 6+

= = < = =

R

h :1 ` 6,+J+5:1 :,: :,:J +9R

t + 6+= = < = =

0Zn 0?ng khng 0 mAt n Cnh c?c 0 4&i t!c 4?ng ca =ng "uAt ph!p - khng phZi Ct

"&Dn 4[c.

R

h :1 6+ ` +,9 Q,6

t + 6,+J+5 = = = nXn tit 4in L ngang C&\c tnh t$!n kiKmt%a th]$ Ci3u kin 03nJ

( )6

6 6L c

n Ln

N M +6,Q; ,9;J+5+9,6 kN cm J 6+-kN cm .

+6 :+1,19 = + = + = < =

Ti tit 4in Cu L c mm]n u#n v lc cUt cGng t!c 4?ng nXn cn kiKm t%a =ng "uAt t&ngC&ng ti ch tip Lc gifa 0Zn c!nh v 0Zn 0?ng'

6 6

t4 + + cQ +,+: = + t%$ng C' ( )

66

+

L

hM ,9;J+5 6J J +:,5R kN cm

h :+1,19 Q6 = = =

6+

L

VJS 65, 19J9:5+,9-kN cm .

I Jt 611,19J+ = = =

t%Xn ' fE ( mm]n tnh ca mt c!nh 4m C#i vi t%?c t%ung h$ L(L'Q

S 0 Jt J-h 6 t 6. 6:J6J-Q6 6. 6 9:5-cm .= = =

VOE' ( )6 6 6 6t4 c+9,6 QJ+,9 +9,: kN cm +,+: J 6R,+:-kN cm . = + = < =

,?, Kim tra n nh c&c bA c2a b#n c%nh v9 b#n b&n",$ tit 4in L C&\c ch[n c tit 4in nhw hn C$n L Qm nXn khng cn kiKm t%a n Cnh c?c0 ca 0Zn c!nh v 0Zn 0?ngK$45 %&6 +:k4( f; ()6() \ 8g(: +%.

T&:c &in% n&U D4D

7/26/2019 n nh 1 tng

50/62


So 4?ng phn m3m SF CK tnh t$!n, chuEKn v ngang ln nhAt Cxnh ct t%$ng t h\p tnh tZi

v tZi t%[ng gi t%!i l' 5,++ Q,16: R,:59- .; cm = + =

Q QQ:,59 +Q,+6J+5 Q,QQJ+5+++55 Q55

;

= = < =

b. THIT K CC CHI TITb.". e6$ +%Vi chi3u ca$ tit 4in ct l h * :5cm, vOE m m]n u#n v lc cUt ti ch liXn kt cng

Ln vai ct vi 0Zn c!nh ct'= + =ax Bc* 1M " X 05& -+;9,19 z +6,9.-5,9: ( 5,:J5,:. * R,+ kNm= + =ax Bc*S " +;9,19 z +6,9 * 6+5,R: kN

/3 %ng 0Zn c!nh 4m vai ch[n 0ng 03 %ng c!nh ct B(Y@ = 6: cmJ eiZ thit 03 %ng ca"&Dn g#i 4m cu t%?c 04ct* 65 cmJ 2h[n " 0 03 4E c!c 0Zn c!nh 4m vai

B(Y* = + cmJ T C

03 4E 0Zn 0?ng 4m vai L!c Cnh t Ci3u kin chu Pp c?c 0 4$ phZn lc 4m cu t%?c t%uE3n

v$JB( ax Bc*Z B(

Bc* Y c

*

@ 2* Y +

=+

+=

+1D767 1278

045620 2.121.1

cm *} ch[n B(Z* = + cmJ

2hi3u ca$ ca 4m vai L!c Cnh " 0 t Ci3u kin 0Zn 0?ng 4m vai C khZ njng chu cUt'4v maL 4v

v c

VQh

6 t u =

Q 6+5,R:

6 +J+6J+ = 61,Q cm *} ch[n B(Z& = Q cmJ

2!c Cc t%&ng hBnh h[c ca tit 4in 4m vai'Bc 3 3

B( Y B( Y Z Zx

@ & 05@ * &[ 2

12 12

= =

=

3 325.40 0525 1382

12 12

6Q:;,QQ cmR

B( xx

2[\

&= = =

2.18871540

++9;,R1 cmQ

B( Y] Y

&^ @ *

2= = =

3D25.1

2R9,: cmQ

l Tit 4in 4m vai C ch[n C&\c kiKm t%a th]$ c!c Ci3u kin 03n u#n, cUt v =ng "uAt t&ngC&ng ti ch ngm vi 0Zn c!nh ct'

B(x

M

\ = = =

8418

117D469,+R kNcm6

c

Y< = 6+J+ *6+ kNcm6

B(Z B(

Z ( c

3 S* 1

2& Y= =

=

3 21045238.12.1

5,1; cm

B(Z

1 B(x B(

M &\ &

= = =8418 38

117D46401,9 kNcm6

B(Y

1 B( B(x Z

S^[ *

= = =21045.48752358D33.1

R,Q: kNcm6

2 2*B 1 13 = + = + =

2 2678 3.435 +5,Q kNcm6 +,+: * 6R,+: kNcm6

T&:c &in% n&U D50

7/26/2019 n nh 1 tng

51/62


iKm t%a n Cnh c?c 0 0Zn c!nh v 0?ng 4m vai'

( /Zn c!nh'o

B(Y

@*

= =0525 1

1+6

_05

Y< =

421.1005

21 = +:, kNcm6

( /Zn 0?ng'B(ZB(Z

&*

= 401

= R5 _25Y

< =421.10

2521

= 9; kNcm6

Th]$ cAu t$, ch[n chi3u ca$ C&Dng hn liXn kt vi 4m vai v$ ct l h * 5,9 cmJ

2hi3u 4i tnh t$!n ca c!c C&Dng hn liXn kt 4m vai vi 0Zn c!nh ct L!c Cnh nh& "au'( Fha t%Xn c!nh - 6 C&Dng hn.' l* 6: ( + * 6R cmJ( Fha 4&i c!nh - R C&Dng hn.' l* 5,:-6: ( +. * ++ cmJ( 0Zn 0?ng - 6 C&Dng hn.' l* Q ( + * Q9 cmJin tch v m m]n ch#ng u#n ca c!c C&Dng hn t%$ng liXn kt - L]m lc cUt chx 4$ c!c

C&Dng hn liXn kt 0Zn 0?ng chu cn m m]n 4$ c!c C&Dng hn c!nh chu.*6J5,9JQ9*:+,

= + + + + =

3 3 32 2

Z

24.07 11.07 07.37\ 2 24.07.25 2 2.11.07.24

12 12 12

* 66Q6,1: cmQhZ njng chu lc ca c!c C&Dng hn t%$ng liXn kt C&\c kiKm t%a th]$'

T&:c &in% n&U D51

7/26/2019 n nh 1 tng

52/62


2 2

*B

Z Z

M S

\ A

= + =

+ =

2 28418 21045

223265 518

* :,: Z in c Y < = - 5,9J+.J+ * +6,1 kNcm6

ch th&c ca cp "&Dn gia c&Dng ch$ 0?ng 4m vai lAE nh& "au'

( 2hi3u ca$ 'B(

s Z& &= = Q cm( /3 %ng '

B(Z

s

&@ 40

30= + = + =

38040

30:6,9cm *} ch[n 0"* 1 cm

( /3 4E 's s

Y* 2@

_= = 4

212.6

21.10 = 5,Q cm *} ch[n t"* 5,1 cm

b.3.C:d( +% !

b.3.". *+ 8;(: ?+ #( 8 !

T 0Zng t h\p ni lc ch[n cp ni lc nguE hiKm nhAt tit 4in ch>n ct CK tnh t$!n'

N*(+1:,;;kN

M*QQ9,:kNJm

V*99,;; kN

ch th&c 4i %ng )04L /04ca 0Zn C C&\c L!c Cnh 4$ Ci3u kin c&Dng C ca vOt liu

lm mngJ

( 2hi3u %ng / ca 0Zn C - cnh vung gc vi mt phng u#n . C&\c cAu t$ t%&c th]$ c!ckch th&c ca tit 4in ct'

/04* 0 z 6Jc+

T%$ng C'

0 ( 03 %ng ca tit 4in phn ct 4&i -kch th&c vung gc vi mt phng u#n ca tit 4in

ct.J

c+( phn nh %a ca c$nL$n 0Zn C lAE c+* cmJ / * 6: z 6J * R+ -cm.

T&:c &in% n&U D52

7/26/2019 n nh 1 tng

53/62


( +

( 6

K=+: %:>?+ #( 8

( 2hi3u 4i ) ca 0Zn C C&\c L!c Cnh t Ci3u kin chu Pp c?c 0 ca 0X tng mng'

( )

6

J J J

6

1

6 6

+1:,;; +1:,;; 1JQQ9:+,::

6JR+J5, 9:J5,;1 6JR+J5,9:J5,;1 R+J5,9:J5,;1

bd

bd b /oc bd b /oc bd b /oc

N N M3

R R R

cm

+ + =

= + + =

T%$ng C ' b ( h "# tjng 0 khi chu nPn c?c 0'

QQ5,:J+

+,+R +, :R+J5,

m

b

bd

G

G = = = #

9:,5= -vB =ng "uAt t%$ng 0X tng mng ph>n 0# khng C3u.

/Xtng mng m!c 6:5 0* 5,: kNcm6

0,l$c* J0J b * +J5,:J+,+R * 5,;1 kNcm6

Th]$ cAu t$ v kh$Zng c!ch 0# t% 0u lng n]$, chi3u 4i ca 0Zn C vi giZ thit c 6*+6 cm v03 4E ca 4m C l + cm'

)04* h z 6t04z 6c6* :5 z 6J+ z 6J+: * 6 -cm.

Tnh =ng "uAt ti mPp 0Zn C th]$ ph&ng ph!p mt phng u#n '

( ) ( )6 6maL ,6 61 +1:,;; 1JQQ9:

5,9+ 5,9:J5,;1 5,9R R+J6 R+J6 b /oc

bd bd bd bd

N MkN cm R kN cm

3 3 = + = + = = =

( )6min 6 61 +1:, ;; 1JQQ9:

5, 1; NR+J6 R+J6bd bd bd bd

N MkN cm

3 3 = = =

T&:c &in% n&U D53

7/26/2019 n nh 1 tng

54/62


Ta cAu t$ ch$ t%?c gifa ca 0Zn C t%Gng vi t%?c ct 4&i, th>n ct v c!c "&Dn chia 0Zn C

thnh c!c 0Zn c c!c Ci3u kin 0iXn kh!c nhauJ M m]n u#n ln nhAt mi nE tnh ch$

4Zi %ng + Cn vJ6ii0ti 4JJM =

T%$ng C '

0t ( =ng "uAt nPn ca 0X tng mng 0Xn 4&i 0Zn C&\c "uE %a t gi! t% maLv minC

tnh t%Xn v lAE gi! t% ln nhAt t&ng =ng vi mi CK tnh ch$ CJ

4i ' nhp tnh t$!n ca 0Zn th= i

i ' h "# t%a 0Zng ph? thuc v$ l$i 0Zn

Vi 0Zn kX R cnh ' ei! t% nE C&\c t%a 0Zng 4a t%Xn tr "#' 0 +a+J

a+l cnh ngUn ca 0Zn, 4 *a+

( Vi 0Zn kX Q cnh ' ei! t% nE C&\c t%a 0Zng 4a t%Xn tr "#' 0 6a6J

a6l chi3u 4i 0iXn t 4$ ca 0Zn, 4 * a6

06l chi3u 4i cnh vung gc vi 0iXn t 4$ ca 0Zn,

2jn c= v$ c!c kch th&c nh& t%Xn hBnh v~ ta tnh C&\c c!c gi! t%'

z Ti + -0Zn kX Q cnh.' a6 * 4+* 6: cm < 06* 65 cm < 06a6* 656: * 5,

T%a 0Zng ni "uE ta c' 5,5;:b =

M+* 5,5;: J 5,R1 J 6:6* 69,Q+ -kNcm.

z Ti 6 -0Zn kX 6 cnh. ' a6 * 46 * 6: cm < 06* +6 cmn 0# C3u 4$ !p

lc 4&i C!E mng '

+5,6QJ-6J+6,:. :,9:

_ _ a= = = kNcm

( )6 6:,9:J65

++:5 J6 6

_ _

_

/M kN cm= = =

( ):,9:J65 ++:_ _ _g / kN = = =

2h[n 03 4E "&Dn t"* + cmJ 2hi3u ca$ "&Dn C&\c L!c 4nh " 0 t Ci3u kin chu u#n'

( )1 1J++:5

+,+Q+J6+J+

_

__ c

Mh cm

t f = =

2h[n h" * 65 cm

iKm %a li tit 4in "&Dn C ch[n th]$ =ng "uAt t&ng C&ng'

( )

6 6

6 6

+ + 6

6 6

1J++:5 ++:Q QJ

+J65 +J65

+;,;+ +,+: +,+:J6+J+ 6R,+:

td

ck5 cm f kN cm

= + = + =

= < = =

Th]$ cAu t$ ch[n chi3u ca$ C&Dng hn kiXn kt "&Dn v$ 0Zn 0?ng h * 5, cmJ in tch

tit 4in v m m]n ch#ng u#n ca c!c C&Dng hn nE l'"* 6J5,J-65(+. * Q5,R -cm6.

"*( )

( )6

Q5,J 65 +

6J ;1,691

cm

=

hZ njnh chu lc ca c!c C&Dng hn nE C&\c kiKm t%a th]$ cng th=c'

( ) ( )

6 6 6 6

6min

++:5 ++:

;1, 69 Q5, R

+6,: 5, 9J+J+ +6, 1 N

_ _td

_ =

= c

M g

W G

f kN cm

= + = + =

= < = =

b.3.R. T=(: %Q*( >( B

t&ng t t%Xn, vi 03 %ng 4in t%uE3n tZi v$ "&Dn l' +,:Jl" * +,:J+: * 66,: -cm., ta c'

65,96J66,: +1,6

_ _ a= = = kNcm

( )6 6+1,6J+:

+66,: J6 6

_ _

_

/M kN cm= = =

( )+1,6J+: 6RQ_ _ _g / kN = = =

2h[n 03 4E "&Dn t"* + cmJ 2hi3u ca$ "&Dn C&\c L!c 4nh " 0 t Ci3u kin chu u#n'

( )1 1J+66,:

66,R+J6+J+

_

_

_ c

Mh cm

t f = =

T&:c &in% n&U D55

7/26/2019 n nh 1 tng

56/62


2h[n h" * 6: cm

iKm %a li tit 4in "&Dn C ch[n th]$ =ng "uAt t&ng C&ng'

( )

6 6

6 6

+ + 6

6 6

1J+66,: 6RQQ QJ

+J6: +J6:

6Q,;Q +,+: +,+:J6+J+ 6R,+:

td

ck5 cm f kN cm

= + = + =

= < = =Th]$ cAu t$ ch[n chi3u ca$ C&Dng hn kiXn kt "&Dn v$ 0Zn 0?ng h * 5,; cmJ in tch

tit 4in v m m]n ch#ng u#n ca c!c C&Dng hn nE l'

"* 6J5,;J-6:(+. * RQ,6 -cm6.

"*( )

( )6

Q5,;J 6: +

6J +96,1

cm

=

hZ njnh chu lc ca c!c C&Dng hn nE C&\c kiKm t%a th]$ cng th=c'

( ) ( )

6 6 6 6

6

min

+66,: 6RQ +96, RQ, 6

++,;: 5, 9J+J+ +6, 1 N

_ _td

_ =

= c

M gW G

f kN cm

= + = + =

= < = =

b.3.W.T=(: () (mQ \ +:d( +%!

T 0Zng t h\p ni lc ch[n cp ni lc ch>n ct g>E kP$ nhi3u nhAt ch$ c!c 0u lng n]$'

N*+R,R9kN

M*Q:1,+RkNJm

V*;,QQ kN

2hi3u 4i vGng 0X tng chu nPn 4&i 0Zn C l c* R+,; cmJ2h[n kh$Zng c!ch t mPp 0iXn 0Zn

C ch>n ct Cn t>m 0u lng n]$ l 1 cm, L!c Cnh C&\c'

a * )046 ( cQ *66 _ R+,;Q * 69,5Q -cm.J

E * )04( cQ ( 1 * 6( R+,;Q ( 1 * 16,5Q -cm.J

Tng lc kP$ t%$ng th>n c!c 0u lng n]$ mt pha ch>n ct th]$ cng th=c'

+

Q:1+R +R,R9J69,5Q:19,R - .

16,5Q

M NaT kN

= = =

2h[n thPp 0u lng n]$ mac 5;Mn6Si, t%a 0Zng phu l?c c' 0a* +;5Nmm

6

J in tch tit 4incn thit ca + 0u lng n]$'

( )6++

:19,R9,R9

J RJ+;*c

ba

ba

TG cm

n f= = =

2h[n 0u lng Q1 c 0n * ,6 -cm6.J

tnh li tng lc kP$ t%$ng th>n c!c 0u lng n]$ mt pha ch>n ct th]$ cng th=c'

6

Q:1+R +R,R9:5+,:R - .

95 6T kN= =

$ T6 T+ nXnC&Dng knh 0u lng n]$ C ch[n l Ct EXu cuJb.3.a. T=(: %Q*( +*+ 8>() :1( $/( n v$ th]$ c$ng th=c'

T&:c &in% n&U D56

7/26/2019 n nh 1 tng

57/62


( )Q:1+R +R,R9

95R,66 :5 6k

M NN kN

h = = =

- t%Xn lAE 4Au ( vB N l lc nPn.J

Tng chi3u 4i tnh t$!n ca c!c C&Dng hn liXn kt mt 0Zn c!nh ct -kK cZ c!c C&Dng hn

liXn kt 4m C v$ 0Zn C.'

( ) ( ) ( )( )+

R+ + 65 + Q5 656J + 6J + 6J + 1Q

6 6 6=/ cm

= + + =

2hi3u ca$ cn thit ca c!c C&Dng hn liXn kt 0Zn c!nh ct th]$ cng th=c'

( ) ( )

+ min

95R,65,

1QJ5,9J+J+*c k

f

= = c

Nh cm

/ f = = =

2hi3u ca$ cn thit ca c!c C&Dng hn liXn kt 0Zn 0?ng ct th]$ cng th=c'

( ) ( )

( )6 min

+R,R95,5Q

R1 + J5,9J+J+

*c

f

= = c

gh cm

/ f

= = =

t h\p cAu t$ ch[n h * 5,; cmJ 2Au t$ ch>n ct thK hin hBnh '

250

s n A

B JQ

s n @

60 120 460 120 60

1D0

10

1D0

500

& $6Y

`XaN" no236

820

200

135

135

140

410

410 410

10

30

300

500 160160

D.Ein t vi x ngang:2p ni lc 4ung CK liXn kt l cp g>E kP$ nhi3u nhAt ch$ c!c 0u lng ti tit 4in ctJ T0Zng t h\p ch[n C&\c'N * (Q+,19 -kN.

T&:c &in% n&U D57

7/26/2019 n nh 1 tng

58/62

45 75 6225651

6245

25

70

70

110

75 75 75 75


M * (+:,Q+ -kNJm. * (+:Q+ -kNJcm.V * (:,9 -kN.7>E l cp ni lc t%$ng t h\p ni lc 4$ c!c t%&Dng h\p tZi t%[ng g>E %aJ T%Bnh t tnh t$!nnh& "au'c.". Tnh to1n b, FBng Fin n 0u lng, ( )66

+R,QR

cmd

G =

=

J

b/ ( h "# Ci3u kin lm vic ca liXn kt, +=b/ 4$ "# 0u lng t%$ng liXn kt +5+R>=n J6, b ( h "# ma "!t v h "# C tin cOE ca liXn ktJ Vi giZ thit l khng gia cng 03 mt

cAu kin nXn th]$ [ ]+ ' 9,+n v$ -4$ mm]n c 4Au >m nXn c$i t>m suaE t%Gng vi 4E 0u lng pha t%$ng cGng.J

n

N

h

hMN

i

b

= 6

+

maL6

* ( )6 6 6 6 6 6+:Q+ R, 6 Q+,19

+R6 9J: +: 66,: Q5,5 Q9,: R,6

+ + + + + * ( )5,6 kN

- t%Xn lAE 4Au t% vB N l lc nPn.J

$ ( ) [ ] ( )maL 5,6 +66,:b tbN kN N kN= < = nXn c!c 0u lng C khZ njng chu lcJiKm t%a khZ njng chu cUt ca c!c 0u lng th]$'

T&:c &in% n&U D58

7/26/2019 n nh 1 tng

59/62


( ) [ ] ( ):,9

5,: Q:,:1+R cb

gkN N kN

n = = < =

U,B Tnh to%n m^t bch/3 4E ca mt 0ch L!c Cnh t Ci3u kin chu u#n '

( )+ maL

+

++ 5, 6+,+ +,+

-6: +5.6+b

b Nt

b b f

= =

+ + ( )+J6+ cm J

V

( )

( )

( )+

+

++ 5,6 9,: +: 66,: Q5 Q9,: R6,+,+ +,+

R6, 6: R6, 6+i

b Nt

b h f

+ + + + + = =

+ + ( )6,6Q cm

ch[n 6,Qt cm=D.)G Tnh to1n '$+ng hn Fin t /x ngang0 vi mt bch:Tng chi3u 4i tnh t$!n ca c!c C&Dng hn pha c!nh ng$i -kK cZ "&Dn.

( ) ( )R +6 + 6 ; +=/ = + = ( )15 cm J)=c kP$ t%$ng 0Zn c!nh ng$i 4$ m m]n v lc 4[c ph>n v$ th]$'

+:Q+ Q+,196 :5 6k

M NNh

= =

* ( )Q:R,9 cm

VOE chi3u ca$ cn thit ca c!c C&Dng hn nE l'

( ) ( )min

Q:R,9

15 5,9 + +*c k

f

= = c

Nh

/ f = = =

( )5,R19 cm J2hi3u ca$ cn thit ca c!c C&Dng hn liXn kt 0Zn 0?ng ct vi mt 0ch -c$i c!c C&Dng hnnE chu lc cUt ln nhAt Cxnh ct L!c Cnh t 0Zng t h\p ni lc.'

( ) ( ) ( )min

:,9

6 R1 + 5,9 + +*c

f

= = c

gh

/ f = = =

( )5,55: cm

t h\p cAu t$, ch[n chi3u ca$ C&Dng hn l' ( )5,1fh cm= J

45 75 6225651

6245

250

70

70

110

75 75 75 75

50

50

40

7x2 @/9 bn c n J? cao 20

460 2020

45107 75 75 75 75 756225

s n

150xD0x10

CI, to mJi nJi c>t v x ngang

T&:c &in% n&U D5D

7/26/2019 n nh 1 tng

60/62

250

10075 75

500

45

100

210

100

45


`. MD$ (D$ 01

`." MD$ (D$ 8g(: 01

T%$ng 0Zng t h\p ch[n cp g>E kP$ nhi3u nhAt ch$ c!c 0ulng ti tit 4in Cxnh L'

N* (+1,;R N

M* :5,9+ NJm

V* +,1; N

7>E l cp ni lc ti tit 4in cu#i L, t%$ng t h\p ni lc 4$ c!c

t%&Dng h\p tZi t%[ng R,+5 g>E %aJ T&ng t t%Xn,ch[n 0u lng c&Dng

C ca$ cAp 03n J, C&Dng knh 0u lng 4 kin l 4*65 mmJ-l l$i

2.J /# t% 0u lng thnh 6 hng J Fha ng$i ca 6 c!nh 0Zn L

ngang 0# t% 6 cp "&Dn gia c&Dng ch$ mt 0ch kch th&c nh& "au'

z /3 4E' t"*5, cm

z 2hi3u ca$' h"*; cmz /3 %ng' l"*+,:h"*+,:J ; * +Q,:-cm.

2h[n l"* +:cm

)c kP$ t!c 4?ng v$ mt 0u lng 4E 4&i cGng 4$ m$m]n v lc 4[c ph>n v$- 4$ m$m]n

c 4Au 4&ng nXn c$i t>m suaE t%Gng vi 4ZE 0u lng pha t%Xn cGng . ta c'

+0maL 6

i

6 6 6

Mh Nc$" V"inN

6 h n n

:59+JR+ +1,;RJ5,;;: +,1;J5,+Q1,:kN

6J-+5 Q+ R+ .

=

= =+ +

[ ]0maL t0N Q1,: kN N ; kN = < =

hZ njng chu cUt ca 0u lng C&\c kiKm t%a th]$ cng th=c '

[ ] c0N"in Vc$" +1,;RJ5,+ +,1;J5,;;:

5,R6-kN. N Q:,:1-kN.n

+= = < =

/3 4E ca mt 0ch L!c Cnh t c!c Ci3u kin "au'

+ 0maL

+

0 N +5JQ1,:t +,+ +,+ 5,99 -cm.

-0 0 . -6: +5.J6+ = =

+ +

+ 0i

+

0 N +5JQ1,:-R+ Q+ +5.t +,+ +,+ 5,R; -cm.

-0 h . R+J-6: R+.J6+

+ + = =

+ + ch[n t *+ cm

Tng chi3u 4i tnh t$!n ca c!c C&Dng hn pha c!nh 4&i - kK cZ "&Dn. L!c Cnh t&ng t

t%Xn l l 15cm= J )c kP$ t%$ng 0Zn c!nh 4&i 4$ m$m]n, lc 4[c v lc cUt g>E %a'

kM Nc$" V"in :59+ +1,;RJ5,;;: +,1;J5,+N +:5,+Qkh 6 6 Q6 6 6

= = + =

T&:c &in% n&U D60

7/26/2019 n nh 1 tng

61/62


VOE chi3u ca$ cn thit ca c!c C&Dng hn nE'

( )Ec k

min c

N +:5,+Qh 5,QR-cm.

l - . 15J 5,9J+ J+= = =

2hi3u ca$ cn thit ca c!c C&Dng hn liXn kt 0Zn 0?ng ct vi mt 0ch'

Ech = ( )

Q

cmin

N"in Vc$" +1,;RJ5,+ +,1;J5,;;::J+5 cml 6J-6 +.-5,9J+.J+

+= = t h\p cAu t$ , ch[n chi3u ca$ C&Dng hn t%$ng liXn kt h 5,1cm=

s n

150xD0x8

s n150xD0x8

100

10025010075 75

500

45

100

210

100

45

4d2 @/9 b nCc N" O ?CAe20

CI, to mJi nJi 'nh x

`.3. MD$ (D$ 01 \ (:;V.Vic tnh t$!n v cAu t$ m#i n#i L thc hin t&ng t nh& t%Xn J $ tit 4in L ngang ti v

t% n#i gi#ng nh& ti Cxnh m!i v ni lc ti ch n#i L nhw hn nXn khng cn tnh t$!n kiKm

t%a m#i n#i J 2Au t$ liXn kt nh& hBnh v~'

4d2 @/9 bnC N" O ?CAe20

25010075 75

50

0

45

100

21

0

100

45

s K n

150xD0x8

s Kn

150xD0x8

`.E. L$/(

7/26/2019 n nh 1 tng

62/62


( )Ec k

L cmin

N JS 9Q,;J9:5h 5,Q-cm.

6JI 6J611,19J-5,9J+.J+= = =

t h\p cAu t$ , ch[n chi3u ca$ C&Dng hn h * 5,1 cm

Tin hnh t&ng t, ch[n chi3u ca$ C&Dng hn liXn kt 0Zn c!nh vi 0Zn 0?ng ct l h *5J1cm

Documents

Đồ án nhà 1 tầng