Tính cọc vòng vây ván thép.xls

7/26/2019 Tnh cc vng vy vn thp.xls

1/18

MC

lc

MC

lc

M U

cc v cc v chi chi


2/18

n


3/18

Ni dung tnh ton:

MNTC

ng k s liu:cc p lc tc dng gm

Chiu cao mt !t "n t#m $u

'o !t ch( ng: n)n*

Chiu cao t+ t#m $ua% "n %.-c ni ma /t

'o !t 01 ng: &2 /, iu 3i2n l4m 5i2c m

T6ong - : /#u -ng c7c h8

'o n9c: Chi u cao mc n9c n t#m $ua

&2 /, 5;t tng 01t

?T67ng l;ng 6i=ng c(a l9p @T 01t %A

Bhng t6Dnh En 1nh lFt

P1=0 .5Hn

2

P2=H

nh '

P3=0 .5 ' H2 a n1

P4=(d+0 .5 )(h 'd )b

'a

P5=0 .5 (h 'd2 ) ' a n1

P6=Hh ' '

pn22

P7=0 . 5h2 ' p nalignl

b'=bw

P1

Hn

3+P

3

H

3+P

4

(h '+d )2

+P5

(2h'+d )3

=(P2

h'

2+P

6

h '

2+P

7

2h '

3)m

P1

P2

P3

P4 P

5

P6

P7

b'= bw

a

p


4/18

T+ phng t6Dnh n4% ta Gc 1nh ;c h8? /#u -ng c7c d9i l9p 0=t>ng 01t %AT+ phng t6Dnh t6=n /au 3hi 6Ht g7n c- dIng:

P1

Hn

3+P

3

H

3+P

4

(h '+d )2

+P5

(2h'+d )3

=(P2

h'

2+P

6

h '

2+P

7

2h '

3)m

ah'

3+bh'

2+ch'

+d=0


5/18

t :

JKL ?mAa% & *KL ?mA hi -:

)K)LK

h, m-ng )KL ?mAOLKLLKP Tnh 1nh thc:QJKR)LK)L

N"u)KP

)KS ?mA p LKO$ QJKSS

'lta ))KPL

Bhng t6Dnh c- dIng

')m

Hn

x=y b

3a

p=c

a1

3(

b

a)3

q= 2

27(

b

a)3

1

3(

b

a)

y3+py+q=0

= p3

27+ q

2

4

= p3

27+ q

2

40


6/18

u *K*J5 LKLLV *K*JW )KSO

')m


7/18

C-) nghi2m %uX5

&2 /, h4m 0Fc O

1

3(

b

a)3

b

a)3

1

3(

b

a)(

c

a)+

d

a

q=0

= p3

27+ q

2

4

u=3

q

2

v=3

q

2


8/18

a QOKPS0 QPKJ)c QSKOd *)KLO


9/18

Ni dung tnh ton:ng k s liu:Yc ch1u tnh ton c(a c7c tho nn !t Bo RRR ?3NAh< nZng ch1u lc gi9i hIn c(a c7c B PJ)S ?3NA&2 /, ng ch!t c(a !t 3 )&2 /, iu 3i2n l4m 5i2c m )

)RL?3NmAL ?3NASR ?3NA

/ u ng K&2 /, hi2u dng maG *KPLC>ng thc tnh /c ch1u tnh ton c(a c7c tho nn !t

h< nZng ch1u lc gi9i hIn c(a c7c

C>ng thc 3i[m t6a h2 /, hi2u dng c(a 0Ha

T=n 0Ha: YN. CSR\ L ?3NA$ PL ?3NA

cao 6i: & OKLL ?mA

] )OPKL ?3NmAY, nht^phHt PP ?nhat^phutA

NZng l;ng ]T67ng lng to4n 0 0Ha \?/au 3hi ch7nAT67ng lng c7c 54 2m c7c $

NZng l;ng ] tnh tho c>ng thc 3inh nghi2m

T67ng l;ng to4n 0:T67ng l;ng phn ng:

NZng l;ng:

Danh sch b

=km2 (U1

n

i f itc li+FR

tc)

25P

P0

!=9.81"+q

!

max

P=P

0

km

Bua trong luc THEP


10/18

OKLL)KLL

K

_ hi2u T61 /,)LKLL ?mA)PKLL ?mA*LKLL ?mA

RSKP ?T^m*AS*KLL ?T^m*ASKLL ?T^m*A

)KLL` LKL ?m*A

SPLL ?T^m*A

3 LKL)KLL

U )KJL ?mA

)OPKLLPKLLLKLL

)OPKLL

m2

1=

2=

3

l2

l1

l3

f1

tc

f3

tcf2

tc

Rtc

1=

2=

3


11/18

Ni dung tnh ton:ng k s liu:

L ?3NA SR ?3NA

&2 /, an to4n m LKPL&2 /, 3h>i phc 3 LK*L&2 /, ph thuc n )J*KLL cao 0Ha 6i & OKL ?mA'i2n tch ti"t di2n c7c ` LKLTng thc tnh ch,i tho phng php ng lc h7c

#=9.81mnF"H

P(P

m+nF)

"+kq"+q

VINHCUU

Thep(co coc dem go)


12/18

RKLL

.o?co coc

.o?3hong@TCT?co co

)J* Thp?co coThp?co coThp?3hon

)KLL N&CUULKSL TeMT&f

menu


13/18

mA oc dmA

c dmA c dm goA c dmA

coc dmA


14/18

mt /, loIi 0Ha =n

nhn 0Ha cao 6To4n 0 Bhn ng ?mA

in3 @lt P*L PJKL **KJ )KPulcan RN)LL PJK *OKP *KR@6mingham6 SOKR OLKS OKJJoh6ing jRR PKJ ROK* *KRYN. CSR LKL PLKL OKLL'lmag 'PP ))JK P*KMit/u0i/i M@SL *LRKJ SLKP *KP

o0 )PL OPKL )RSK* *KPoh6ing @MkY S*)KLL O)KRL )K*PCCCMJL JKPL JLKLL )KOSMit/u0i/i M&** RLKL *)OKL *KP

t67ng l;ng


15/18

Y, nht^phHt Chiu cao?3NmA ?mAOJKS *KLPK PPKL

)L)KS RPKL)LSKJ JLKL)OPKL PLKL PKPL)PK RLKL PKP)PKS P*KL JK)L

O)KO PLKL KPLRKJL RLKLL KPL*KLL OLKLL RKPPO*KP PPKL

NZng l;ng

ch7n 0Ha


16/18


17/18

bng h s hiu dng ln nht c

.@ua 3pb0ua din loai ong PKLL@ua donb0ua loai * dua OKPL@ua t6ong luc *KLL

T&]B@TCT


18/18

ba

Thp @=t>ngCTPKPL JKLLRKLL PKLL*KPL OKLL

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Tính cọc vòng vây ván thép.xls