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3
4
5
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Tiết diện M
(kN.m)
α
m
ξ
Ast
(mm2/m
)
As (mm2/m)
μ=As/bxho
(%)
Ф @ As
ch
Nhịp biên
7,32
0,088 0,092 401,28 8 120 401,9
0,47
Gối 2
7,38
0,089 0,093 404,74 8 120 401,9
0,47
Nhịp giữa
5,07
0,061 0,063 273,72 6 100 301,4

0,35
Gối giữa
5,07
0,061 0,063 273,72 6 100 301,4
0,35
[!Qb6!V8
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(V8i28_), 
v
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L
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;0
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;0
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W
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;0
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;0
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

++wxTy
6600 6600 6600 6600
7350 7350 7350
A B C D E
6
5
4
3
 )&*b
1 2
3
300
300
340
6600
6600
6390
DAM CHINH
DAM CHINH
6300

550
700
220
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9 DDLD (DD /L <D[D (.<99
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54,22 24,54
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P#j%&*P2020i
j^G6&gR#"m6Q2H]0P#4#R#"m6>P8 DDDNA#4#Q`&"5H]0&)Ng
,J,KDLM1D 13



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4 5
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sơ đồ
tiết diện
1' 1'' gối 2 2' 2'' gối 3 3' 3'' gối 4 4' 4'' gối 5 5' 5''
MG 0,24 0,15 -0,28 0,08 0,1 -0,21 0,12 0,12 -0,21 0,1 0,08 -0,28 0,15 0,24
MP1 0,29 0,24 -0,14 -0,13 -0,12 -0,11 0,23 0,23 -0,11 -0,12 -0,13 -0,14 0,24 0,29
MP2 -0,05 -0,09 -0,14 0,2 0,22 -0,11 -0,11 -0,11 -0,11 0,22 0,22 -0,14 -0,09 -0,05
MP3 0,23 0,12 -0,32 0,1 0,19 -0,06 -0,08 -0,1 -0,12 0,21 0,2 -0,14 -0,09 -0,05
MP4 -0,03 -0,06 -0,09 0,17 0,1 -0,3 0,12 0,2 -0,05 -0,09 -0,12 -0,15 0,23 0,28
MP5 0,27 0,21 -0,19 -0,1 0 0,09 0 -0,08 -0,16 0,19 0,2 -0,13 -0,09 -0,04
MP6 0,25 0,17 -0,24 0,05 0,01 -0,36 0,32 0,34 -0,3 0 -0,05 -0,42 0,38 0,53
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
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Bảng tung độ biểu đồ moment thành phần và biểu đồ bao moment (kN.m)
sơ đồ
tiết diện
1' 1'' gối 2 2' 2'' gối 3 3' 3'' gối 4 4' 4'' gối 5 5' 5''
M1 574,8 442,2 -390,6 -128,4 -100,5 -300,0 407,4 407,4 -300,0 -100,5 -128,4 -390,6 442,2 574,8
M2 94,8 -23,7 -390,6 337,5 379,5 -300,0 -72,6 -72,6 -300,0 379,5 365,8 -390,6 -23,7 94,8

M3 490,1 272,8 -644,8 196,3 337,2 -229,4 -30,3 -58,5 -314,1 365,4 337,5 -390,6 -23,7 94,8
M4 123,0 18,6 -320,0 295,2 210,1 -568,3 252,1 365,1 -215,3 -58,2 -114,3 -404,7 428,1 560,7
M5 546,6 399,9 -461,2 -86,1 68,9 -17,6 82,7 -30,3 -370,6 337,2 337,5 -376,5 -23,7 108,9
M6 546,6 399,9 -461,2 -86,1 68,9 -17,6 82,7 -30,3 -370,6 337,2 337,5 -376,5 -23,7 108,9
Mmax 574,8 442,2 -320,0 337,5 379,5 -17,6 407,4 407,4 -215,3 379,5 365,8 -376,5 442,2 574,8
Mmin
94,8 -23,7 -644,8-128,4 -100,5-568,3 -72,6 -72,6 -370,6 -100,5 -128,4-404,7 -23,7 94,8
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
578.4
442.2
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-128.4
-100.5
-300
407.4
407.4
-300
-100.5
-128.4
-390.6
442.2
574.8
94.8
-23.7
-390.6
337.5
379.5
-300
-72.6
-72.6
-300
379.5

365.8
-390.6
-23.7
94.8
-644.8
196.3
337.2
-229.4
-30.3
-68.5
-314.1
365.4
-390.6
-23.7
94.8
-404.7
-114.3
-58.2
-215.3
365.1
252.1
-568.3
210.1
295.2
-320
18.6
123
272.8
490.1
337.5

M1
M2
M3
428.1
560.7
M4
,J,KDLM1D 16


544.6
399.9
-461.2
68.9
-17.6
-86.1
82.7
-30.3
-370.6
337.2
337.5
-376.5
-23.9
108.9
534.5
562.7
-568.3
639.9
913.7
-653
-531.8

125.7
343.4
518.4
83
68.9
M5
-15.5
-78.6
M6
534.5
562.7
-568.3
639.9
913.7
-653
-23.9
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-404.7
-644.8
-23.7
337.5
379.5
-72.6
-72.6
379.5
365.8
578.4
442.2
-128.4
-100.5

-100.5
-128.4
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#j%&*P2"m66€,=I$>!q66BP#j%&*P2020i
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,J,KDLM1D 17


Bảng tung độ biểu đồ lực cắt thành phần và biểu đồ bao lực cắt (kN.m)
sơ đồ
tiết diện
1' 1'' gối 2 2' 2'' gối 3 3' 3'' gối 4 4' 4'' gối 5 5' 5'' gối 6
Q1 234,6 -54,1 -339,9 107,0 11,4 -81,4 288,8 0,0 -288,8 81,4 -11,4 -107,0 339,9 54,1 -234,6
Q2 38,7 -48,4 -149,8 297,2 17,2 -277,4 92,8 0,0 -92,8 277,4 -5,6 -308,7 149,8 48,4 -38,7
Q3 200,0 -88,7 -374,5 343,3 57,5 -231,3 81,3 -11,5 -104,3 277,4 -11,4 -297,2 149,8 48,4 -38,7
Q4 50,2 -42,6 -138,2 251,1 -34,7 -317,7 334,9 46,1 -236,9 64,1 -22,9 -118,5 339,9 54,1 -228,9
Q5 223,1 -59,9 -351,5 153,1 63,3 -35,3 40,9 -46,1 -138,9 288,9 0,1 -291,4 144,0 54,1 -44,4
Q6 211,6 -71,4 -357,2 268,4 -17,4 -300,4 484,7 11,5 -461,6 260,1 -34,4 -314,5 582,0 111,8 -372,9
Qmax 234,6 -54,1 -311,1 268,4 17,2 -162,1 225,4 11,5 -317,6 242,8 -5,6 -303,0 414,9 111,8 -372,9
Qmin 38,7 -48,4 -253,5 210,7 11,4 -225,5 236,9 0,0 -202,3 190,9 -11,4 -268,4 311,1 48,4 -38,7
251.1
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339.9
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42.6
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