8/7/2019 Mot so de & dap an-CKCF1 -II-09

1/27

TRNG HGTVT KT CU/TH TKC

MT S BI TP & P NC HC KT CU F1

S V P N YU CUH c thanh ging v thanh chng

49Tnh v v biu M, Q, N ca ktcu bn

50Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

2/27

TRNG HGTVT KT CU/TH TKC

51Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

3/27

TRNG HGTVT KT CU/TH TKC

52Tnh v v biu M, Q, N ca ktcu bn

53Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

4/27

TRNG HGTVT KT CU/TH TKC

54Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

5/27

TRNG HGTVT KT CU/TH TKC

55Tnh v v biu M, Q, N ca kt

cu bn

56Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

6/27

TRNG HGTVT KT CU/TH TKC

57Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

7/27

TRNG HGTVT KT CU/TH TKC

58Tnh v v biu M, Q, N ca kt

cu bn

59Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

8/27

TRNG HGTVT KT CU/TH TKC

60Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

9/27

TRNG HGTVT KT CU/TH TKC

61Tnh v v biu M, Q, N ca kt

cu bn

62Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

10/27

TRNG HGTVT KT CU/TH TKC

63Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

11/27

TRNG HGTVT KT CU/TH TKC

64Tnh v v biu M, Q, N ca kt

cu bn

65Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

12/27

TRNG HGTVT KT CU/TH TKC

66Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

13/27

TRNG HGTVT KT CU/TH TKC

67Tnh v v biu M, Q, N ca ktcu bn

68Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

14/27

TRNG HGTVT KT CU/TH TKC

69Tnh v v biu M, Q, N ca ktcu bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

15/27

TRNG HGTVT KT CU/TH TKC

70Tnh v v biu M, Q, N ca ktcu bn

H gin tnh nh

71Tnh ni lc ccthanh trong ginbn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

16/27

TRNG HGTVT KT CU/TH TKC

72Tnh ni lc ccthanh trong ginbn

73Tnh ni lc ccthanh trong ginbn

74

Tnh ni lc cc

thanh trong ginbn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

17/27

TRNG HGTVT KT CU/TH TKC

75Tnh ni lc ccthanh trong ginbn

76Tnh ni lc ccthanh trong ginbn

77Tnh ni lc ccthanh trong ginbn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

18/27

TRNG HGTVT KT CU/TH TKC

78Tnh ni lc ccthanh trong gin

bn

79Tnh ni lc ccthanh trong ginbn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

19/27

TRNG HGTVT KT CU/TH TKC

80Tnh ni lc ccthanh trong ginbn

Tnh kt cu bng phng php ng nh hng

81

Vng nhhng m men Mi, ng nh hnglc ct Q1 v

ng nh hngphn lc ti gi B

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

20/27

TRNG HGTVT KT CU/TH TKC

82

Vng nhhng m men choim i (Mi) trn hkhung 3 khp bn

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

21/27

TRNG HGTVT KT CU/TH TKC

83

Vng nhhng m menim i (Mi) vng nh hnglc ct bn tri cagi B (QB, Tr)

84

Vng nhhng lc dctrong thanh bindi (U) v ngnh hng lc dctrong thanh xin(D) ca gin bn,

85

Vng nhhng lc dctrong thanh V cah gin bn, bit titrng chy di

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

22/27

TRNG HGTVT KT CU/TH TKC

Tnh chuyn v ca kt cu tnh nh

86

Tnh chuyn vthng ng ti a, vv dng ngcong ca dm bn,bitEI = 50000 kNm2=hsP = 100 kN

ma 00938,0)( =

87

Tnh chuyn vngang ti C v vdng ng congca kt cu khungbn,, bit:

EI1=50000 kNm2=hs

EI2=25000 kNm2=hs

P = 200 kNQ = 5 kN/m

mC 0432,0)( =

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

23/27

TRNG HGTVT KT CU/TH TKC

88

Tnh chuyn vthng ng ti a,bit:EI = 50000 kNm2=hs

KT 60= (trn)1610*0,1 = KT

h = 25 cm

mma 4825,0)( =

89

Tnh chuyn vthng ng ti b,bit:EI = 50000 kNm2=hsEA=50000 kN=hs

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

24/27

8/7/2019 Mot so de & dap an-CKCF1 -II-09

25/27

TRNG HGTVT KT CU/TH TKC

91

Tnh chuyn v gcquay ti c, bit:EI = 80000 kNm2=hs

KT 20= (trn)1610*0,1 = KT

h = 15 cm0

5,0=a

radC 00698,0=

92

Tnh chuyn vngang tai i, bit:E = 210000 N/mm2

P1 : thp hnh H500P2: thp hnh H800T0= 60 K

1610*0,1 = KT

mmi 275,0=

93

Tnh gc quaytng i ti i, bit:EI=75000kNm2=hs

KT 50= (trn)1610*2,1 = KT

h = 35 cm

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

26/27

TRNG HGTVT KT CU/TH TKC

r

0

,

277,0

00484,0

=

=tuongdoii

94

Tnh chnh lchnhit chuynvgia nhp bngkhng, bit:EI = 50000 kNm2=hs

1510*2,1 = KT h= 45 cm

KT 28,38=

95

Tnh v vngcong vng cakt cu, bit:

EI1=75000 kNm2=hs

EI2=90000 kNm2=hs

LC-TH TKC 9-2009

8/7/2019 Mot so de & dap an-CKCF1 -II-09

27/27

TRNG HGTVT KT CU/TH TKC

mmb 688,5)( =

96

Tnh v v biu vng ca thanhb-c, bit:

EI = 75000 kNm2=hsEA=100000 kN

mmmm

mm

C

c

b

5,259,2

37,2

==

=

mm

mm

a

b

59,1

5,0)(

=

=