BÀI TẬP LỚN PTHH

BI TP LN PHN T HU HN GVHD: NGUYN TH NGN

SVTH: PHM VN PHC LP: XD08A3 MSSV:0851031869 Trang 1

A. BI S 1

S tnh

I. GII BNG PHNG PHP PHN T HU HN :

1. Ri rc ha phn t

2. Xc nh ma trn cng: [K]e ,[K]

Ta c :

2

22

3

4

612

264

612612

Lx

L

LLL

lL

L

EJK e

Nn

6496.74

32.4 31

EJK ;

84.5192.25

92.2584.51

6.3 33

EJK



6496.743248.37

3248.376496.74

32.4 32

EJK ;

6496.743248.37

3248.376496.74

32.4 34

EJK

84.51

6.3 35

EJK ;

Suy ra

04.95

6.2104.95

092.2504.95

006.214.86

6.3 3*

dx

EJK

3. Xc nh vecto ti phn t :

Phn t thanh chu ti trng phn b u :

Ta c

12/

2/

12/

2/

2

2

L

L

L

L

qp e nn

08.1

08.1303p ;

08.1

08.1205p

Phn t thanh chu ti trng tp trung gia nhip:

Ta c

8/

2/1

8/

2/1

L

Lpp e nn

54.0

701p ;

54.0

54.0452p ;

54.0

54.0704p

Ta c ne

ppp * vi 0n

p nn

2.16

4.5

1.8

5.13

*p



4. Gii phng trnh c bn ca FEM:

0

0

186307.0

0

6.3;

186307.0

0

06975.0

0

6.3

06975.0

0

10784.0

0

6.3;

10784.0

0

183211.0

0

6.3;

183211.0

0

0

0

6.3

186307.0

06975.0

10784.0

183211.0

6.3

2.16

4.5

1.8

5.13

04.95

6.2104.95

092.2504.95

006.214.86

6.3

2.16

4.5

1.8

5.13

04.95

6.2104.95

092.2504.95

006.214.86

6.3

****

3

5

3

4

3

3

3

2

3

1

3

1

3

4

3

2

1

3

1

EJq

EJq

EJq

EJq

EJq

EJx

EJ

q

q

q

q

qx

dx

EJ

pxKqpqxK

5. Tnh moment:

Ta c : ee qxLLLL

LLLL

L

EJM

22

22

34626

2646

Nn

914715.7

957358.3

183211.0

6.3

32.44

)32.42(

32.4

3

2

2

31 EJx

xEJM



70149.0

58537.5

10784.0

183211.06.3

32.4432.42

)32.42()32.44(

32.4

3

22

22

32 EJxx

xxEJM

41108.6

39851.7

06975.0

10784.06.3

6.346.32

)6.32()6.34(

6.3

3

22

22

33 EJxx

xxEJM

541871.6

01108.1

186307.0

06975.06.3

32.4432.42

)32.42()32.44(

32.4

3

22

22

34 EJxx

xxEJM

829065.4

658129.9186307.06.3

6.32

)6.34(

6.3

3

2

2

35 EJx

xEJM



6. V biu mooment:



II. GII BNG SAP2000 VERSION 12:

1.To dm v khai bo ti trng

2.Khai bo bc t do:



3. Biu ni lc:



4. Kt qu:



BNG SO SNH KT QU GIA PTHH V SAP

V tr gi PTHH SAP LCH

1 41.757358 41.7530 0.43%

2 29.8853 29.8864 0.11%

3 25.00149 25.0060 0.45%

4 38.81108 38.8064 0.47%

5 31.258129 31.2559 0.22%

6 16.770935 16.7788 0.79%

lch

trung bnh

0.41%

Nhn xt : So snh cho thy kt qu gii c bng PTHH v SAP gn ging

nhau vi lch trung bnh khong 0.41%, s lch ny l do trong qu trnh gii

bng PTHH lm trn s



B. BI S 2

S tnh:

I. GII BNG PHNG PHP PTHH:

1. Ri rc ha phn t:



2. Bng i lng cc phn t:

Phn

t

i j C S C2

S2

CS L(m) EJ/L3

1 1 4 900

0 1 0 1 0 3.6 EJ/3.63

2 2 5 900

0 1 0 1 0 3.6 EJ/3.63

3 3 6 900

0 1 0 1 0 3.6 EJ/3.63

4 4 5 00

1 0 1 0 0 4.32 EJ/4.323

5 5 6 00

1 0 1 0 0 8.64 EJ/8.643

6 5 7 900

0 1 0 1 0 3.6 EJ/3.63

7 6 8 900

0 1 0 1 0 3.6 EJ/3.63

8 7 8 00

1 0 1 0 0 8.64 EJ/8.643

3. Xc nh ma trn cng: *; KK e

Ta c :

2

2

2

22

22

22

3

4

612

61212

2664

61212612

6121261212

Lx

LCC

LSCSS

LLCLL

LSCCSLSC

LSCSSLSCSS

L

EJK e

Nn

2

31

6.34

6.3

xx

EJK ;

2

32

6.34

6.3

xx

EJK



2

33

6.34

6.3

xx

EJK ;

2

22

34

32.44

32.4232.44

32.4

xx

xxEJK

2

22

35

64.84

64.8264.84

64.8

xx

xxEJK ;

2

36

6.34

6.3

xx

EJK

2

37

6.34

6.3

xx

EJK ;

2

22

38

64.84

64.8264.84

64.8

xx

xxEJK

Suy ra

3/17

6/53/17

203/29

026/513

0003/53/22

6.3*

x

EJK

4. Xc nh vect ti phn t: *; PP e 0

7632 pppp

Phn t thanh chu ti phn b u:

12/

2/

2/

12/

2/

2/

12/

2/

12/

2/

2

2

2

2

L

CL

SL

L

CL

SL

q

L

L

L

L

qpe nn

12/64.8

0

0

12/64.8

0

0

30

2

2

5p ;

12/64.8

0

0

12/64.8

0

0

40

2

2

8p



Phn t thanh chu ti trng tp trung:

8/

2/

2/

8/

2/

2/

8/

2/1

8/

2/1

L

C

S

L

C

S

p

L

Lpp

e nn

8/6.3

451

p ;

8/32.4

8/32.470

4p

Ta c ne

ppP * vi 0n

p

832.248

832.248

624.186

824.148

55.17

*p

5. Gii phng trnh c bn ca FEM:

71832.47

4139.49

80322.9

29253.4

41761.1

6.3

832.248

832.248

624.186

824.148

55.17

3/17

6/53/17

203/29

026/513

0003/53/22

6.3

****

1

5

4

3

2

1

1

EJx

x

EJ

q

q

q

q

q

pxKqpqxK

41761.1

6.31

EJq ;

29253.4

6.32

EJq ;

80322.9

6.33

EJq ;

29253.4

41761.16.34

EJq ;

80322.9

29253.46.35

EJq ;

4139.49

29253.46.36

EJq



71832.47

80322.96.37

EJq ;

71832.47

4139.496.38

EJq

6. V biu ni lc:

Ta c : ee

qxLLCLSLLCLS

LLCLSLLCLS

L

EJM

22

22

3466266

266466

Nn

67044.5

83522.2

41761.1

6.3

6.34

)6.32(

6.3 2

2

31 EJx

x

xEJM

1701.17

58505.8

29253.4

6.3

6.34

)6.32(

6.3 2

2

32 EJx

x

xEJM

21288.39

60644.19

80322.9

6.3

6.34

)6.32(

6.3 2

2

33 EJx

x

xEJM

6711.16

8796.11

29253.4

41761.16.3

32.4432.42

)32.42()32.44(

32.4 22

22

34 EJx

xx

xxEJM



7616.12

01514.1

80322.9

29253.46.3

64.8464.82

)64.82()64.84(

64.8 22

22

35 EJx

xx

xxEJM

241.206

998.115

4139.49

29253.46.3

6.346.32

)6.32()6.34(

6.3 22

22

36 EJx

xx

xxEJM

4797.210

6495.134

71832.47

80322.96.3

6.346.32

)6.32()6.34(

6.3 22

22

37 EJx

xx

xxEJM

3523.38

5812.42

71832.47

4139.496.3

64.8464.82

)64.82()64.84(

64.8 22

22

38 EJx

xx

xxEJM



7. V biu mment:



Kim tra cn bng nt :

Nt 4 Nt 5

09204.259204.25 M 0

1064711.541701.17998.11563914.187 5

M

xM

Nt 6 Nt 7

0102

6495.13421288.398624.173

5

xM

M

0241.206241.206 M

Nt 8

04797.2104797.210 M



II. GII BNG SAP20000 VESION12:

1. To khung, khai bo ti trng, v gii ra biu ni lc



BIU LC CT V MMENT



2. Kt qu:

Nhn xt : kt qu gia gii SAP v PTHH l gn nh bng nhau

Documents

BÀI TẬP LỚN PTHH