土工工程毕业设计2.docx
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土工工程毕业设计2
1.7通过有限单元法计算,得出雪荷载作用下的内力计算:
有限元法计算过程如下:
[标题]
大港区财政局办公楼雪荷载作用下内力计算
[基本数据]
1.节点总数
---
24
3.单元总数
---
35
4.单元类型数
---
3
5.结点荷载数
---
20
[输入数据]
结点号
位移号υ
位移号ν
位移号θ
坐标x
坐标y
1
1
2
3
0
0
2
4
5
6
7.5
0
3
7
8
9
10.2
0
4
10
11
12
17.4
0
5
13
14
15
0
3.6
6
16
17
18
7.5
3.6
7
19
20
21
10.2
3.6
8
22
23
24
17.4
3.6
9
25
26
27
0
7.2
10
28
29
30
7.5
7.2
11
31
32
33
10.2
7.2
12
34
35
36
17.4
7.2
13
37
38
39
0
10.8
14
40
41
42
7.5
10.8
15
43
44
45
10.2
10.8
16
46
47
48
17.4
10.8
17
49
50
51
0
14.4
18
52
53
54
7.5
14.4
19
55
56
57
10.2
14.4
20
58
59
60
17.4
14.4
21
0
0
0
0
19.9
22
0
0
0
7.5
19.9
23
0
0
0
10.2
19.9
24
0
0
0
17.4
19.9
单元号
始端节点号
终端节点号
单元类型号
1
1
2
1
2
2
3
2
3
3
4
1
4
1
5
3
5
2
6
3
6
3
7
3
7
4
8
3
8
5
6
1
9
6
7
2
10
7
8
1
11
5
9
3
12
6
10
3
13
7
11
3
14
8
12
3
15
9
10
1
16
10
11
2
17
11
12
1
18
9
13
3
19
10
14
3
20
11
15
3
21
12
16
3
22
13
14
3
23
14
15
2
24
15
16
1
25
13
17
3
26
14
18
3
27
15
19
3
28
16
20
3
29
17
18
1
30
18
19
3
31
19
20
3
32
17
21
3
33
18
22
3
34
19
23
3
35
20
24
3
单元类型
弹性模量
横截面积
惯性矩
1
2.95E+07
0.16
0.00504
2
2.95E+07
0.14
0.00107
3
2.95E+07
0.56
0.0108
结点荷载
位移号
数值
1
2
2.31
2
5
4.36
3
8
3.95
4
11
2.34
5
14
28.4
6
17
46.2
7
20
42.62
8
23
23.15
9
26
28.4
10
29
46.2
11
32
42.62
12
35
23.15
13
38
28.4
14
41
46.2
15
44
42.62
16
47
23.15
17
50
28.4
18
53
46.2
19
56
42.62
20
59
23.15
非结点荷载
单元号
类型
参数a
参数c
1
1
1
6.8
7.2
2
3
2
6.8
7.2
3
8
1
6.8
7.2
4
10
1
6.8
7.2
5
15
2
6.8
7.2
6
17
1
6.8
7.2
7
22
1
6.8
7.2
8
24
2
6.8
7.2
9
29
1
6.8
7.2
10
31
1
6.8
7.2
结点号
位移X
位移X
转角
1
-1.862E-05
1.694E-04
-1.350E-05
2
-2.346E-05
1.675E-04
6.654E-06
3
-2.943E-05
1.338E-04
-1.256E-05
4
-2.761E-05
2.291E-04
5.088E-04
5
-1.28E-05
1.628E-04
8.482E-04
6
-1.59E-05
1.376E-04
7.942E-04
7
-8.03E-06
1.318E-04
7.831E-04
8
-6.94E-06
2.220E-04
1.333E-05
9
-7.20E-06
1.685E-04
-3.098E-05
10
-6.48E-06
1.964E-04
6.592E-05
11
-1.84E-06
1.232E-04
-7.705E-05
12
-3.36E-06
2.028E-04
4.900E-05
13
-2.72E-06
1.654E-04
-5.818E-05
14
-3.68E-06
1.795E-04
6.038E-05
15
-9.17E-06
1.037E-04
-5.951E-05
16
-3.65E-05
1.665E-04
3.664E-05
17
-2.48E-05
1.655E-04
-5.174E-05
18
-3.77E-05
1.852E-04
9.786E-05
19
-5.840E-05
6.959E-05
-9.355E-05
20
-5.130E-05
3.654E-05
6.693E-05
21
0.000E+00
0.000E+00
-7.644E-05
22
0.000E+00
0.000E+00
0.000E+00
23
0.000E+00
0.000E+00
0.000E+00
24
0.000E+00
0.000E+00
0.000E+00
单元号
N
(1)
Q
(1)
M
(1)
N
(2)
Q
(2)
M
(2)
1
4.802E+00
-2.992E+00
-4.872E+00
-4.802E+00
-2.572E+00
2.725E+00
2
7.524E+01
6.447E+01
9.526E+01
-7.524E+01
-6.447E+01
4.025E+01
3
3.316E+00
-2.122E+00
-2.208E+00
-3.316E+00
-2.508E+00
3.384E+00
4
5.712E+00
4.824E+00
4.913E+00
-5.712E+00
-4.824E+00
1.372E+01
5
6.024E+00
-3.967E+00
-3.644E+00
-6.024E+00
3.967E+00
-1.186E+01
6
6.517E+00
2.513E+00
1.805E+00
-6.517E+00
-2.513E+00
7.928E+00
7
4.764E+00
-3.255E+00
-3.373E+00
-4.764E+00
3.255E+00
-9.572E+00
8
4.617E+00
-2.734E+01
-3.271E+01
-4.617E+00
-2.687E+01
3.127E+01
9
-3.271E+01
1.205E+01
-9.275E+01
3.271E+01
-1.205E+01
1.172E+00
10
3.345E+00
-2.251E+01
-2.208E+01
-3.345E+00
-2.314E+03
2.306E+01
11
6.026E+01
9.372E+00
1.975E+01
-6.026E+01
-9.372E+00
1.726E+01
12
7.966E+01
-8.093E+00
-1.834E+01
-7.966E+01
-8.903E+00
-1.677E+01
13
7.125E+01
6.258E+00
1.276E+01
-7.125E+01
-6.258E+00
1.138E+01
14
5.111E+01
-6.587E+00
-1.443E+01
-5.111E+01
6.587E+00
-1.232E+01
15
-1.119E+00
-2.726E+01
-3.447E+01
1.119E+00
-2.805E+01
3.264E+01
16
3.288E+01
2.205E+01
-5.406E+01
-3.288E+01
-2.205E+01
9.927E+01
17
-7.728E+01
-2.259E+01
-2.305E+01
7.728E+01
-2.314E+01
2.408E+01
18
1.411E+02
8.309E+00
1.625E+01
-1.172E+02
-8.309E+00
1.619E+01
19
1.529E+02
-7.658E+00
-1.472E+01
-1.529E+02
-7.158E+00
-1.556E+01
20
1.372E+02
5.129E+00
9.773E+00
-1.372E+02
-5.129E+00
9.784E+00
21
9.623E+01
-5.771E+00
-1.164E+01
-9.623E+01
5.771E+00
-1.257E+01
22
1.279E+00
-2.814E+01
-3.357E+01
-1.279E+00
-2.709E+01
3.245E+01
23
-5.296E+01
1.336E+01
-6.046E+01
5.296E+01
-1.336E+01
8.756E+01
24
8.875E+01
-2.275E+01
-2.238E+01
-8.875E+01
-2.296E+01
2.339E+01
25
1.695E+02
9.507E+00
1.712E+01
-1.695E+02
-9.507E+00
2.012E+01
26
2.285E+02
-9.465E+00
-1.705E+01
-2.285E+02
9.465E+00
-1.972E+01
27
1.997E+02
6.282E+00
1.129E+01
-1.997E+02
-6.282E+00
1.246E+01
28
1.472E+02
-6.659E+00
-1.243E+01
-1.472E+02
6.659E+00
-1.492E+01
29
-6.119E+00
-2.795E+01
-3.228E+01
-6.119E+00
-2.724E+01
3.276E+01
30
1.364E+01
-2.148E+01
-1.465E+00
-1.364E+01
2.148E+01
9.407E+03
31
-4.295E+00
-2.272E+01
-2.345E+01
1.295E+00
-2.312E+01
2.306E+01
32
2.357E+02
3.465E+00
1.272E+01
-2.357E+02
-3.465E+00
6.305E+00
33
2.995E+02
-3.125E+00
-1.145E+01
-2.995E+02
3.125E+00
-5.487E+00
34
2.659E+02
2.145E+00
7.395E+00
-2.659E+02
-2.145E+00
3.729E+00
35
1.905E+02
-2.507E+00
-8.725E+00
-1.905E+02
2.507E+00
-4.506E+00
单元号
N
(1)
Q
(1)
M
(1)
N
(2)
Q
(2)
M
(2)
1
8.640E+01
1.592E+01
6.143E+01
-8.640E+01
-1.593E+01
5.905E+01
2
5.508E+01
2.695E+01
2.945E+01
-5.508E+01
-2.695E+01
2.813E+01
3
2.145E+01
2.145E+01
6.457E+01
-2.145E+01
-2.145E+01
6.735E+01
4
-1.595E+01
-1.804E+01
6.121E+01
1.595E+01
1.804E+01
-9.145E+00
5
-1.125E+01
-3.123E+01
-8.657E+01
1.125E+01
3.123E+01
-3.357E+01
6
5.957E+00
-3.394E+01
-9.276E+01
-5.957E+00
3.394E+01
-3.978E+01
7
2.112E+01
-2.117E+01
-6.805E+01
-2.112E+01
2.117E+01
-1.517E+01
8
6.196E+01
2.759E+01
1.059E+02
-6.196E+01
-2.759E+01
1.146E+02
9
4.250E+01
5.509E+01
5.787E+01
-4.250E+01
5.509E+01
5.764E+01
10
1.836E+01
3.759E+01
1.178E+02
-1.836E+01
-3.759E+01
1.209E+02
11
-4.336E+01
-3.509E+01
-9.704E+01
4.336E+01
3.509E+01
-4.015E+01
12
-3.845E+01
-5.219E+01
-1.267E+02
3.845E+01
5.219E+01
-7.725E+01
13
2.460E+01
-5.657E+01
-1.378E+02
-2.460E+01
5.657E+01
-8.599E+01
14
5.905E+01
-3.976E+01
-1.147E+02
-5.905E+01
3.976E+01
-5.057E+01
15
4.879E+01
3.956E+01
-1.517E+02
-4.879E+01
-3.956E+01
1.495E+02
16
3.144E+01
8.055E+01
8.602E+01
-3.144E+01
-8.055E+01
8.572E+01
17
1.295E+01
5.462E+01
1.663E+02
-1.295E+01
-5.462E+01
1.728E+02
18
-8.415E+01
-4.615E+01
-1.146E+02
8.415E+01
4.615E+01
-7.124E+01
19
-8.115E+01
-7.019E+01
-1.658E+02
8.115E+01
7.019E+01
-1.724E+02
20
5.245E+01
-7.608E+01
-1.729E+02
-5.245E+01
7.608E+01
-1.281E+02
21
1.247E+02
-5.289E+01
-1.305E+02
-1.247E+02
5.289E+01
-8.357E+01
22
3.856E+01
4.854E+01
1.809E+02
-3.856E+01
-4.854E+01
1.772E+02
23
2.376E+01
1.127E+02
1.089E+02
-2.376E+01
-1.127E+02
1.074E+02
24
7.957E+00
6.610E+01
2.073E+02
-7.914E+00
-6.610E+01
2.143E+02
25
-1.317E+02
-5.296E+01
-1.245E+02
1.317E+02
5.296E+01
-9.236E+01
26
-1.374E+02
-8.406E+01
-1.712E+02
1.374E+02
8.406E+01
-1.658E+02
27
8.857E+01
-9.117E+01
-1.824E+02
-8.857E+01
9.117E+01
-1.753E+02
28
1.776E+02
-6.125E+01
-1.303E+02
-1.776E+02
6.125E+01
-1.147E+02
29
8.423E+00
5.173E+01
1.945E+02
-8.423E+00
-5.173E+01
1.853E+02
30
8.713E+00
1.087E+02
1.512E+02
-8.713E+00
-1.087E+02
1.173E+02
31
1.442E+01
6.873E+01
2.272E+02
-1.442E+01
-6.873E+01
2.257E+02
32
1.815E+02
-7.155E+01
-1.042E+02
-1.815E+02
-7.155E+01
-2.810E+02
33
-1.927E+02
-8.358E+01
-1.516E+02
-1.927E+02
8.358E+01
-2.996E+02
34
1.351E+02
-8.654E+01
-1.572E+02
-1.315E+02
-8.645E+01
-3.156E+02
35
2.571E+02
-7.509E+01
-1.214E+02
-2.571E+02
7.509E+03
-2.906E+02
雪荷载作用下的内力图(M)
雪荷载作用下的内力图(Q)
雪荷载作用下的内力图(N)
第四章内力组合
1、内力组合:
框架梁的组合(内力)
1.1控制截面一般取梁的两端支座截面及跨中截面、支座有正负弯矩及剪力,跨中一般为跨中正弯矩(个别无弯矩)
1.2梁支座负弯矩组合设计值
非抗震设计:
-M=-(1.2MGK+1.4MQK)
抗震设计:
-M=-【1.2MGK+0.5MQK】+1.3MEK
式中MGK,MQK是由重力荷载代表值及水平地震作用标准值在梁截面上产生的弯矩标准值。
1.3梁支座正弯矩组合设计值
抗震设计:
M=-【1.0MGK+0.5MQK】+1.3MEK
1.4梁端剪力:
组合:
非抗震设计:
V=1.2VGK+1.4VQK
抗震设计:
V=1.2VGK+0.5VQK】+1.3VEK
式中VGK、VQK分别表示由恒载、楼面活载标准值在梁端截面产生的剪力标准值。
VGK、VEK分别表示重力荷载代表值及水平地震作用标准值在梁截面产生的剪力标准值。
1.5梁跨间最大正弯矩组合设计值
抗震设计:
+M=MGE或+M=1.2MGK中+1.4MQK中的较大值。
式中MGE、MGK中+MQK中分别为跨间在重力荷载与地震作用共同作用下的最大正弯矩;跨间永久可变荷载标准值作用下跨间最大正弯矩。
1.6分层计算框架梁内力组合,M考虑调幅(0.75)
1.6.1五层框架梁Mbmax计算
AB跨:
q=QEk=0.5QQK=27.59+0.5×0.75=27.97
左震RA=(qL/2)-(1/L)×(MGB-MGA+MEA+MEB)
=(27.97/2)×7.5-(1/7.5)×(92.16-84.25+47.24+45.87)
=91.42KN
Mbmax=(91.422/2×27.97)-84.25+47.24=102.42×0.75=76.82KN﹒m
右震RA×L+MGB=(qL2/2)+MGB-MGA+MEA+MEB
RA=(qL/2)-(1/L)×(MGB-MGA-MEA-MEB)
RA=(27.97/2)×7.5-(1/7.5)×(92.16-84.25-47.24-45.87)
=93.5KN
Mbmax=(116.252/2×27.97)-84.25-47.24=110.09KN﹒m
非抗震:
+M=1.2MGK中+1.4MQK中
=1.2【(1/8)qL2-1/2(MGB+MGA)】+1.4【(1/8)qL2-1/2(MQA+MQB)】
=1.2【26.41×1/8×7.52-1/2(84.25+92.16)】+1.4【(1/8)×1.8×7.52+1/2(7.41+5.86)】
=125.43KN
BC跨:
q=2.1KN/m
左震RB=(qL/2)-(1/L)×(MGC-MGB+MEB+MEC)
=(2.1/2)×2.7-(1/2.7)×(6.35-7.2+22.57+22.46)
=-13.53KN﹤0取RB=0
Mbmax=(RB2/