tuong vay

C.Di - m C.rng - m L - m McCc bart 2.8 0.6 8.6 300

2 : a cht cng trnh :

Lp t 1 Lp t 2

L1 - m L2 - m3.6 1 1.8 15 1 1.85

H2 - mLp t 4 Lp t 5

L4 - m L5 - m5 1 1.8 17 1 1.85

B - m A - m L - m G - Ton10 2.5 0.6 1 8.6 12.9

H.s p lc ch ng H.s p lc b ng

17.722222 0.5325534 20.6 2.0813102 35.284768 46.309151

Thit k t ng vy tng hm khng c neo1 : Thng s t ng vy :

Loi t ng vy :Tit din t ng vy B tng t ng vy

2a : a cht l ng t ng vy - t ct mt sn n y tng hm :C.su T.hm H1(m) T/m3 T/m3

2b : a cht l ng t ng vy - t ct y tng hm n chn t ng vy

T/m3 T/m3

3 : Kim tra sc chu ti t d i chn t ng vy :Xt 1 m di t ng vy :

Ti trng ngoi N-T

Trng l ng bn thn t ng

T/m3

4 : Tnh ton ct thp t ng vy :

p lc ch ng ca t l ng t

ng Q1 (T)

p lc t b ng ca t l

ng t ng Q2 (T)a p

5 : KIM TRA CHUYN V NH TNG VY ( CHO B RNG VY 1M ) - TNH TON GN NG THIN V AN TON:p lc ch ng Thanh Conson

Z(m) Pa (T/m) Lcs (m) Ptt(T/m)0.5325534 3.6 1.7916667 3.4349693 7.6 2.9197239

a T/m3)

Rn-kg/cm2 Mc Ra-kg/cm2130 AIII 3650

Lp t 2 Lp t 3

L3 - m L - m20 1.6 1.75 18 3.6 1.7916667

Lp t 5 Lp t 6

L6 - m L - m23 3 1.75 21 5 1.78

A B D22.9 1.85 20 0.51 3.06 5.66

H - m

0 Dat 1.5487568 3.6850899 303.49727 1

Thit k t ng vy tng hm khng c neo

B tng t ng vy Thp t ng vy

2a : a cht l ng t ng vy - t ct mt sn n y tng hm :1 Lp t t ng ng

T/m3 T/m3


1 Lp t t ng ng

T/m3 T/m3

Tng P=N+G (Ton)

Lp t chn t ng vy

Ton/m3

a - Khong cch neo tnh t

nh t ng (m)

Kim tra iu kin

n nh ca chn tng

p - a

M men max cch

y hm 1 on Zo

(m)

Mmax tc dng vo t ng vy

T.m

Kch th c tit din t ng vy

5 : KIM TRA CHUYN V NH TNG VY ( CHO B RNG VY 1M ) - TNH TON GN NG THIN V AN TON:Tt din vy fmax(cm) Kt lun

C. cao (m) B.rng (m) J(m4) Eb(T/m2)0.6 1 0.018 2900000 2.3325753 Tang vach

17.722222

20.6

Kt lunc - T/m2

2 1.83 60.044 t

H s AB - m

0.6 0.771767 0.412 Tng vch

1 Lp t t ng ng

1 Lp t t ng ng

tb - cc lp trn (T/m3)

R - T/m2

Kch th c tit din t ng vy H s

Ao

Ct thp t ng vy trn b

rng 1m - Fct (cm2)

C.Di - m C.rng - m L - m Mc Rn-kg/cm2 Mc Ra-kg/cm2Cc bart 2.8 0.4 9.5 300 130 AII 2800


Lp t 1 Lp t 2 Lp t 3

L1 - m L2 - m L3 - m L - m5 1.5 1.8 15 2.5 1.85 20 1 1.75 18 5 1.815

H2 - mLp t 4 Lp t 5 Lp t 6

L4 - m L5 - m L6 - m L - m4.5 1 1.8 17 1 1.85 23 2.5 1.75 21 4.5 1.7833333

B - m A - m L - m G - Ton A B D10 2.5 0.4 1 9.5 9.5 19.5 1.85 20 0.51 3.06 5.66

4 : XC NH CHIU SU CHN TNG HM :


18.1 0.525226 20.555556 2.077867 43.016996 37.518486 4 t

Thit k t ng vy tng hm c 2 hng neo :1 : Thng s t ng vy :

Loi t ng vy :Tit din t ng vy B tng t ng vy Thp t ng vy

2a : a cht l ng t ng vy - t ct mt sn n y tng hm :C.su T.hm H1(m)

1 Lp t t ng ng

T/m3 T/m3 T/m3 T/m3


1 Lp t t ng ng

T/m3 T/m3 T/m3 T/m3


Ti trng ngoi N-T

Trng l ng bn thn t ng Tng P=N+G (Ton)

Lp t chn t ng vy

T/m3 Ton/m3


ng Q1 (T)

p lc t b ng ca t l

ng t ng Q2 (T)

a2-Khong cch ln nht ca hng neo tnh n

nh tng (m)

Kim tra iu kin n nh ca t nga p

Khong cch hng neo th 1 n nh tng : a1 = 2 mKhong cch hng neo th 2 n nh tng : a2 = 4 mS tnh ca tng hm l dm lin tc c mt tha c gi di ng ( ti chn tng - gi ny ch cn tr CV phng OZ,OX ) v 2 gi di ng ( cn tr CV phng OX ) t ti ct chng tng . Thn tng chu tc dng ca p lc ch ng ca t ln tng chn ( p lc ny phn b theo tam gic ) - Ni lc c tnh = ETAB 8.55 : Kim tra BN TNG VY TRONG GIAI ON LP T XONG CHNG TM:Khi chng tm = thp hnh c lp t xong phn mt tha ca tng vy lm vic nh conson :H s p lc ch ng ca t : 0.52522602Chiu di tnh ton con sn bt li nht : Ls= 2.5 mTrng lng t lng tng : 1.815 TXt trn b mt chu p lc = 1m c lc tng : Qa= 2.97901635 TM men ti gi : Mmax= 2.48251362 T.m

Mmax-T.mKch thc Bart B tng tng Ct thp tng

Ao A Fct - cm2B - cm H - cm Mc Rn-kg/cm2 Mc Ra-kg/cm2

2.48251362 100 40 300 130 AII 2800 0.412 0.021218065 0.98927596 2.98741046

6 : P LC T TC DNG VO CNG TRNH TRONG GIAI ON LM VIC BNH THNG :H s p lc t ch ng : 0.52522602Cng thc xc nh p lc t ch ng ln tng chn do t dnh gy ra :

( Vi t ri pa c xc nh theo cng thc khc )

Bng xc nh gi tr pa - p lc t ch ng tc dng vo lng tng trn b rng nguy him nht = 8m B - m Z - m q - ton/m2 c - ton/m2 C q - Ton/mTon/m3

0.52522602 1.815 8 0 0.2 3.17 18.1 1.47033769 -3.820608850.52522602 1.815 8 5.5 0.2 3.17 18.1 1.47033769 38.12394134Tnh ton tng tng hm trong giai on lm vic ng thi vi kt cu BTCT cng trnh c m hnh ho gn ng = thanh conson c lin kt ngm ti y sn tng hm 2 v c lingi ti cc cao trnh mc sn . Vic xc nh ni lc c tin hnh bng chng trnh ETAB 8.57 : TNH TON BN TNG TNG HM TRONG GIAI ON THI CNG :Mt cch gn ng thin v an ton ta b qua lc dnh ca t tc dng ln tng hm khi ta c :

Cng thc xc nh p lc t ch ng ln tng chn : ( Vi t ri pa c xc nh theo cng thc khc )

Cng thc xc nh p lc t ch ng ln tng chn : (p lc t ch ng bn pha y h mng )

B - m q - ton/m2p lc ch ng 1 p lc ch ng 2

Ton/m3 Ton/m3 Z1 - m Pa -Ton/m Z2 - m Pb -Ton/m 0.52522602 0.47962844 1.815 1.783333333 1 0.3 0 0.15756781 0 00.52522602 0.47962844 1.815 1.783333333 1 0.3 5 4.92399396 0 0

a=

a =

pa = a**Z*B + a*q*B - C*c

a

pa1 = a1**Z1*B + a*q*Bpa2 = a2**Z2*B

a1 a2c c.

0.52522602 0.47962844 1.815 1.783333333 1 0.3 9.5 9.21377751 4.5 3.8490182

Nhn xt : p lc b ng ca t lng tng khng c k vo trong tnh ton bn thn tng , n ch c xt n trong bi ton n nh chn tngS tnh ca tng vy l dm lin tc c mt tha c lin kt khp c nh ti chn v lin kt khp di ng ti cc v tr chng neo chu tc dng cacc p lc ch ng ca t xc nh trn . Tnh ton ni lc thn tng = ETAB 8.5

18.1

20.555556

Kt lunc - T/m2

2 1.83 64.896 t

1 Lp t t ng ng

1 Lp t t ng ng


R - T/m2

S tnh ca tng hm l dm lin tc c mt tha c gi di ng ( ti chn tng - gi ny ch cn tr CV phng OZ,OX ) v 2 gi di ng ( cn tr CV phng OX ) t ti ct

Tnh ton tng tng hm trong giai on lm vic ng thi vi kt cu BTCT cng trnh c m hnh ho gn ng = thanh conson c lin kt ngm ti y sn tng hm 2 v c lin

C.Di - m C.rng - m L - m Mc Rn-kg/cm2 Mc Ra-kg/cm2Cc bart 2.8 0.4 13 300 130 AII 2800


Lp t 1 Lp t 2 Lp t 3

L1 - m L2 - m L3 - m L - m6 1.5 1.8 15 2.5 1.85 20 2 1.75 18 6 1.8041667

H2 - mLp t 4 Lp t 5 Lp t 6

L4 - m L5 - m L6 - m L - m7 1 1.8 17 1 1.85 23 5 1.75 21 7 1.7714286

B - m A - m L - m G - Ton A B D10 2.5 0.4 1 13 13 23 1.85 20 0.51 3.06 5.66


H - m

18.083333 0.5255475 20.714286 2.0901948 80.120808 90.714456 2.6 t 10.593647 4.7270854 5.8412339 1

5 : Kim tra BN TNG VY TRONG GIAI ON LP T XONG CHNG TM:

Thit k t ng vy tng hm c 1 hng neo :1 : Thng s t ng vy :

Loi t ng vy :Tit din t ng vy B tng t ng vy Thp t ng vy

2a : a cht l ng t ng vy - t ct mt sn n y tng hm :C.su T.hm H1(m)

1 Lp t t ng ng

T/m3 T/m3 T/m3 T/m3


1 Lp t t ng ng

T/m3 T/m3 T/m3 T/m3


Ti trng ngoi N-T

Trng l ng bn thn t ng Tng P=N+G (Ton)

Lp t chn t ng vy

T/m3 Ton/m3



ng Q1 (T)

p lc t b ng ca t l

ng t ng Q2 (T)

a - Khong cch neo tnh t

nh t ng (m)

Kim tra iu kin n nh ca t ng

Phn lc neo N = ABS(Q1-Q2) (Ton)

M men max cch

nh tng 1 on Zo

(m)

Mmax tc dng vo t ng vy

T.m

Kch th c tit din t ng vy

a p

Khi chng tm = thp hnh c lp t xong phn mt tha ca tng vy lm vic nh conson :H s p lc ch ng ca t : 0.52554748Chiu di tnh ton con sn bt li nht : Ls= 3.2 mTrng lng t lng tng : 1.80416667 TXt trn b mt chu p lc = 1m c lc tng : Qa= 4.85465727 TM men ti gi : Mmax= 5.17830109 T.m

Mmax-T.mKch thc Bart B tng tng Ct thp tng

Ao A Fct - cm2B - cm H - cm Mc Rn-kg/cm2 Mc Ra-kg/cm2

5.17830109 100 40 300 130 AII 2800 0.412 0.044258984 0.97735784 6.30745864

6 : P LC T TC DNG VO CNG TRNH TRONG GIAI ON LM VIC BNH THNG :H s p lc t ch ng : 0.52554748Cng thc xc nh p lc t ch ng ln tng chn do t dnh gy ra :

Bng xc nh gi tr pa - p lc t ch ng tc dng vo lng tng trn b rng nguy him nht = 8m B - m Z - m q - ton/m2 c - ton/m2 C q - Ton/mTon/m3

0.52554748 1.80416667 8 0 0.2 3.17 18.08333333 1.47047728 -3.820537010.52554748 1.80416667 8 5.5 0.2 3.17 18.08333333 1.47047728 37.89917392Tnh ton tng tng hm trong giai on lm vic ng thi vi kt cu BTCT cng trnh c m hnh ho gn ng = thanh conson c lin kt ngm ti y sn tng hm 2 v c lingi ti cc cao trnh mc sn . Vic xc nh ni lc c tin hnh bng chng trnh ETAB 8.5

a=

a =

pa = a**Z*B + a*q*B - C*c

a

18.083333

20.714286

Kt lunc - T/m2

2 1.83 84.495 t

H s AB - m

0.4 0.03668 0.412 7.5924495

1 Lp t t ng ng

1 Lp t t ng ng


R - T/m2

Kch th c tit din t ng vy H s

Ao

Ct thp t ng vy trn b

rng 1m - Fct (cm2)

Tnh ton tng tng hm trong giai on lm vic ng thi vi kt cu BTCT cng trnh c m hnh ho gn ng = thanh conson c lin kt ngm ti y sn tng hm 2 v c lin

C.Di - m C.rng - m L - m McCc bart 2.8 0.6 9 300


Lp t 1 Lp t 2

L1 - m L2 - m5.5 1.5 1.8 15 2.5 1.85

H2 - mLp t 4 Lp t 5

L4 - m L5 - m3.5 1 1.8 17 1 1.85

B - m A - m L - m G - Ton10 2.5 0.6 1 9 13.5


18.090909 0.5254013 20.428571 2.0680663 1.5426649 0.4819028

Thit k t ng vy tng hm khng neo1 : Thng s t ng vy :


2a : a cht l ng t ng vy - t ct mt sn n y tng hm :C.su T.hm H1(m) T/m3 T/m3


T/m3 T/m3

H2 th ng ly = 2*H1/3 : su cn thit t ng n nh3 : Kim tra sc chu ti t d i chn t ng vy :Xt 1 m di t ng vy :

Ti trng ngoi N-T

Trng l ng bn thn t ng

T/m3


p-aH s a2 ca t

chn t nga p

Rn-kg/cm2 Mc Ra-kg/cm2130 AII 2800

Lp t 2 Lp t 3

L3 - m L - m20 1.5 1.75 18 5.5 1.8090909

Lp t 5 Lp t 6

L6 - m L - m23 1.5 1.75 21 3.5 1.7928571

A B D23.5 1.85 20 0.51 3.06 5.66

0.56177424 14.376294 6.7736257 -9.846294 t

B tng t ng vy Thp t ng vy

2a : a cht l ng t ng vy - t ct mt sn n y tng hm :1 Lp t t ng ng

T/m3 T/m3


1 Lp t t ng ng

T/m3 T/m3

Tng P=N+G (Ton)

Lp t chn t ng vy

Ton/m3

p lc gii hn qgh (T/m2)

Q1(Tng p lc ch ng t

bn trn hm)-T

Q2(Tng p lc ch ng t

bn d i hm)-T

qmax - lc y ngang

LN d i chn t ng vo t -

T/m2

iu kin km tra

chiu su H2 -

qmax

18.090909

20.428571

Kt lunc - T/m2

2 1.83 62.284 t

1 Lp t t ng ng

1 Lp t t ng ng


R - T/m2

TNH TON THIT K TNG VY TNG HM CNG TRNH : TO NH NACIMEX

S TNG HM : 2 TNG CHIU SU O T : 6

1 : KT CU TNG VY D KIN :

C.Di - m C.rng - m L - m Mc Rn-kg/cm2Cc bart 2.8 0.6 9.5 300 130

2 : A CHT LP T TNG NG TC DNG LN TNG CHN :Khi lng tng c nhiu lp t tc dng ln - Mt cch gn ng l qui i ch tiu c l ca cc lp t v mtlp t c cc c trng c l tng ng.

Bng cc lp t sau lng tng chn : B. lp t tng ng sau lng tng chn

Lp t Li - m c - T/m^2 L - m1 0 0 0 3.2031847134 15.7 1.8336942682 8.8 1.83 173 4.9 1.85 184 2 1.81 18.55 0 0 06 0 0 0

3 : TNH TON KIM TRA TNG VY THEO TNG GIAI ON THI CNG :

3a : Giai on 1 - H o cha dng thanh chng n nh tng chn t :Chiu su h o d kin : a = 3Chiu di tng vy t mt t n y h o : H1 = 3Chiu di tng vy t y h o xung : H2 = 2* Kim tra s b kch thc H2 :Kch thc H2 c kim tra s b theo iu kin n nh - Chn tng c coi l ng yn v khng b trtngang do tc dng ca p lc ch ng:

p lc ch ngZ1 - m qa - T/m^2 B - m pa - T/m

0 1.833694268 17.50318471 0.536841346 0.3 1 05 1.833694268 17.50318471 0.536841346 0.3 1 0.389154746

Ghi ch : Nu t lng tng l t ri th kim tra li pa v Qa

p lc b ngZ2 - m qb - T/m^2 B - m pb - T/m

0 1.833694268 17.50318471 1.856536937 0 1 02 1.833694268 17.50318471 1.856536937 0 1 15.53762786

Ghi ch : Nu t lng tng l t ri th kim tra li pb v Qb

Kt lun : 2.4 = H2 (m)

* Kim tra kch thc H2 thng qua chuyn v cho php ti nh tng vy :Chuyn v ti nh tng vy c th coi l do p lc t ch ng ( Khng phi l p lc t b ng ) 2 bn tng chn t gy ra

p lc ch ng - pha khng c h oZ1 - m qa - T/m^2 B - m pa1 - T/m

0 1.833694268 17.50318471 0.536841346 0.3 1 05.4 1.833694268 17.50318471 0.536841346 0.3 1 0.782915905


p lc ch ng - pha c h oZ2 - m qa - T/m^2 B - m pa2 - T/m

0 1.833694268 17.50318471 0.536841346 0 1 0


T/m^3 T/m^3

Nu lng tng c 1 b phn nm di mc nc ngm th on tng nm di mc nc ngm c tnh vi dung trng

y ni

T/m^3 a

T/m^3 b

T/m^3 a

T/m^3 a

2.4 1.833694268 17.50318471 0.536841346 0 1 0Ghi ch : Nu t lng tng l t ri th kim tra li pa v Qa

Bng kim tra chuyn v nh tng vy :Kch thc vy

pa - T/m Ls - m ftt - cmB - m hv - m J - m^4 Eb-T/m^21 0.6 0.018 2900000 0.6654785194 4.92 0.09337572

Bng ct thp cn thit cho tng vy giai on h o khng c chng gi:

Kch thc vypa - T/m Ls - m

Vt liu vyM - Ton.m

B - m hv - m Rb-kg/cm^2 Ra-kg/cm^21 0.6 0.665478519 4.92 130 2800 8.054419616

3b : Giai on 2 - Chng tng vy y h o t 1 v o tip n ct y ging iTrong giai on ny tng c chng bng 1 hng chng ngang - Chiu su chn tng cn thit c xc nhthng qua iu kin n nh chn tng - c xc nh thng qua iu kin cn bng m men ca p lc t chng v b ng ly i vi im chng ngangKhong cch chng ngang ( tnh t nh tng ) : a1 = 3Chiu di tng vy t mt t n y h o : H1 = 6Chiu di tng vy t y h o xung : H2 = 3.5* Kim tra kch thc H2 :Kch thc H2 c kim tra s b theo iu kin n nh - Chn tng c coi l ng yn v khng b trtngang do tc dng ca p lc ch ng :

p lc ch ngZ1 - m qa - T/m^2 B - m pa - T/m

0 1.833694268 17.50318471 0.536841346 0.3 1 09.5 1.833694268 17.50318471 0.536841346 0.3 1 4.818967787

Ghi ch : Nu t lng tng l t ri th kim tra li pa v Qap lc b ng

Z2 - m qb - T/m^2 B - m pb - T/m0 1.833694268 17.50318471 1.856536937 0 1 0

3.5 1.833694268 17.50318471 1.856536937 0 1 20.64410957Ghi ch : Nu t lng tng l t ri th kim tra li pb v Qb

Kt lun : Kch thc H2 t

Bng tnh ton ct thp tng vy - Giai on 2

Qa - Ton Qb - Ton N - Ton Zo - m M - Ton.m

22.89009699 36.12719174 13.23709475 1.833694268 0.5368413456 5.1859090373 6.052961945

Ghi ch : Zo l khong cch tnh t nh tng ti im c m men max

Bng p lc ch ng t t nh tng n hng chng ngang :Z1 - m qa - T/m^2 B - m pa - T/m

0 1.833694268 17.50318471 0.536841346 0.3 1 0.1610524043 1.833694268 17.50318471 0.536841346 0.3 1 3.114261098

3c : Kim tra p lc t di chn tng vy - Xt 1m di :

B - m A - m L - m G - Ton10 2.5 0.6 1 9.5 14.25 24.25

A B D c - T/m21.85 20 0.51 3.06 5.66 2 1.8336943

T/m^3 a

T/m^3 b

T/m3 a

T/m^3 a

Ti trng ngoi N-T

Trng l ng bn thn t ng Tng P=N+G (Ton)T/m3

Lp t chn t ng vy tb - cc lp trn (T/m3)Ton/m3

TNH TON THIT K TNG VY TNG HM CNG TRNH : TO NH NACIMEX

m

Mc Ra-kg/cm2AII 2800

Khi lng tng c nhiu lp t tc dng ln - Mt cch gn ng l qui i ch tiu c l ca cc lp t v mt

B. lp t tng ng sau lng tng chn

17.5031847134 0

3.173.263.21

00

mmm

Kch thc H2 c kim tra s b theo iu kin n nh - Chn tng c coi l ng yn v khng b trt

p lc ch ng Ghi ch :Qa - Ton

0.972886865


p lc b ngQb - Ton

15.5376278577


Chuyn v ti nh tng vy c th coi l do p lc t ch ng ( Khng phi l p lc t b ng ) 2 bn tng

p lc ch ng - pha khng c h o Ghi ch :Qa - Ton

Co ap luc chu dong2.1138729441


p lc ch ng - pha c h o Ghi ch :Qa - Ton

0

Thp t ng vy

Gi tr lc dnh ca cc lp t - ci

(T/m^2)

Nu lng tng c 1 b phn nm di mc nc ngm th on tng nm di mc nc ngm c tnh vi dung trng

Co ap luc dat chu dong

Ho dao thang dung duoc

0Ghi ch : Nu t lng tng l t ri th kim tra li pa v Qa

Bng kim tra chuyn v nh tng vy :

[f] - cm Kt lun

2.46 H2-tBng ct thp cn thit cho tng vy giai on h o khng c chng gi:

Ao Fa - cm2

0.412 6.0305627557

Trong giai on ny tng c chng bng 1 hng chng ngang - Chiu su chn tng cn thit c xc nhthng qua iu kin n nh chn tng - c xc nh thng qua iu kin cn bng m men ca p lc t ch

mmm

Kch thc H2 c kim tra s b theo iu kin n nh - Chn tng c coi l ng yn v khng b trt

p lc ch ngQa - Ton

22.8900969898

Ghi ch : Nu t lng tng l t ri th kim tra li pa v Qap lc b ng

Qb - Ton

36.1271917416


Bng tnh ton ct thp tng vy - Giai on 2

Ao Fa - cm20.412 5.7647256622

Bng p lc ch ng t t nh tng n hng chng ngang :Mcs - T.m

5.154548858

R - T/m2 Kt lun

65.19159236 Dat

Ho dao thang dung duoc

BANG1 BANG20.5 11 1.5

1.5 22 2.5

2.5 33 3.5

3.5 44 4.5

55.56

6.57

7.58

8.59

9.510

10.511

11.512

12.513

13.514

14.515

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