连续钢构桥ANSYS温度荷载分析.docx
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连续钢构桥ANSYS温度荷载分析
计算桥梁的温度效应首先要建立其ansys结构模型。
在静力分析中，本桥的混凝土结构用Solid186单元模拟，预应力筋用Link180单元模拟。
在热分析中，混凝土结构用Solid90单元模拟，预应力筋用Link33单元模拟。
建立的模型为最大悬臂阶段模型。
4.1.1混凝土结构建模
命令流如下：
fini
/clear
/prep7
/title,theanalysisofganggoubridge
et,1,solid186
et,2,link180
mp,dens,1,2.6e-5
mp,ex,1,3.5e6
mp,prxy,1,0.1667
mp,dens,2,7.8e-5
mp,ex,2,1.95e7
mp,prxy,2,0.3
areagjx=1.4
*dim,gjarea,array,3
gjarea
（1）=12*areagjx
gjarea
（2）=15*areagjx
gjarea（3）=17*areagjx
F=195.5e3
E=1.95e7
L=100
detL=F*L/（E*areagjx）
istrn=detL/（detL+L）
r,1
r,2,gjarea
（1）,istrn
r,3,gjarea
（2）,istrn
r,4,gjarea（3）,istrn
acel,,980
k,1,0,0,-600
k,2,0,0,0
k,3,0,-15,-600
k,4,0,-28,-475
k,5,0,-68,-325
k,6,0,-700,-325
k,7,0,-90,-255
k,8,0,-50,-105
k,9,0,-50,0
k,10,0,-510,-255
k,11,0,-550,-215
k,12,0,-550,0
k,13,0,-700,0
l,1,2
l,1,3
l,3,4
l,4,5
l,5,6
l,6,13
l,7,8
l,8,9
l,7,10
l,10,11
l,11,12
l,2,9
l,12,13
al,all
voffst,1,300!
01号
k,27,300,-28,0
k,28,300,-28,-105
k,29,300,-68,-255
a,15,27,28,29,24,25,26,14
k,38,300,-550,-255
k,39,300,-700,-255
k,40,450,-68,-325
k,41,450,-68,-255
k,42,450,-676.2,-255
k,43,450,-676.2,-325
v,24,29,39,23,40,41,42,43!
02号腹板
k,44,450,-576.2,0
k,45,450,-576.2,-255
k,46,450,-676.2,0
v,21,38,39,22,44,45,42,46!
02号底板
k,2000,450,-536.2,-255
k,2001,450,-576.2,-215
v,19,20,38,2000,2001,45!
02号箱
k,47,600,-68,-325
k,48,600,-68,-255
k,49,600,-653.1,-255
k,50,600,-653.1,-325
v,41,40,43,42,48,47,50,49!
03号腹板
k,51,600,-556.8,0
k,52,600,-556.8,-255
k,53,600,-653.1,0
v,44,45,42,46,51,52,49,53!
03号底板
k,2002,600,-516.8,-255
k,2003,600,-556.8,-215
v,2000,2001,45,2002,2003,52!
03号箱
k,54,900,-68,-255
k,55,900,-68,-325
k,56,900,-608.7,-325
k,57,900,-608.7,-255
v,48,47,50,49,54,55,56,57!
1号腹板
k,58,900,-519.5,0
k,59,900,-519.5,-255
k,60,900,-608.7,-255
k,61,900,-608.7,0
v,51,52,49,53,58,59,60,61!
1号底板
k,2004,900,-479.5,-255
k,2005,900,-519.5,-215
v,2002,2003,52,2004,2005,59!
1号箱
k,62,1200,-68,-255
k,63,1200,-68,-325
k,64,1200,-567.0,-325
k,65,1200,-567.0,-255
v,54,55,56,57,62,63,64,65!
2号腹板
k,67,1200,-484.4,0
k,68,1200,-484.4,-255
k,69,1200,-567.0,-255
k,70,1200,-567.0,0
v,58,59,60,61,67,68,69,70!
2号底板
k,2006,1200,-444.4,-255
k,2007,1200,-484.4,-215
v,2004,2005,59,2006,2007,68!
2号箱
k,71,1500,-68,-255
k,72,1500,-68,-325
k,73,1500,-527.8,-325
k,74,1500,-527.8,-255
v,62,63,64,65,71,72,73,74!
3号腹板
k,75,1500,-451.5,0
k,76,1500,-451.5,-255
k,77,1500,-527.8,-255
k,78,1500,-527.8,0
v,67,68,69,70,75,76,77,78!
3号底板
k,2008,1500,-411.5,-255
k,2009,1500,-451.5,-215
v,2006,2007,68,2008,2009,76!
3号箱
k,79,1800,-68,-255
k,80,1800,-68,-325
k,81,1800,-491.2,-325
k,82,1800,-491.2,-255
v,71,72,73,74,79,80,81,82!
4号腹板
k,83,1800,-420.7,0
k,84,1800,-420.7,-255
k,85,1800,-491.2,-255
k,86,1800,-491.2,0
v,75,76,77,78,83,84,85,86!
4号底板
k,2010,1800,-380.7,-255
k,2011,1800,-420.7,-215
v,2008,2009,76,2010,2011,84!
4号箱
k,87,2100,-68,-265
k,88,2100,-68,-325
k,89,2100,-457.2,-325
k,90,2100,-457.2,-265
v,79,80,81,82,87,88,89,90!
5号腹板
k,91,2100,-392.1,0
k,92,2100,-392.1,-265
k,93,2100,-457.2,-265
k,94,2100,-457.2,0
v,83,84,85,86,91,92,93,94!
5号底板
k,2012,2100,-352.1,-265
k,2013,2100,-392.1,-225
v,2010,2011,84,2012,2013,92!
5号箱
k,95,2400,-68,-275
k,96,2400,-68,-325
k,97,2400,-425.8,-325
k,98,2400,-425.8,-275
v,87,88,89,90,95,96,97,98!
6号腹板
k,99,2400,-365.8,0
k,100,2400,-365.8,-275
k,101,2400,-425.8,-275
k,102,2400,-425.8,0
v,91,92,93,94,99,100,101,102!
6号底板
k,2014,2400,-325.8,-275
k,2015,2400,-365.8,-235
v,2012,2013,92,2014,2015,100!
6号箱
k,103,2700,-68,-275
k,104,2700,-68,-325
k,105,2700,-396.9,-325
k,106,2700,-396.9,-275
v,95,96,97,98,103,104,105,106!
7号腹板
k,107,2700,-341.5,0
k,108,2700,-341.5,-275
k,109,2700,-396.9,-275
k,110,2700,-396.9,0
v,99,100,101,102,107,108,109,110!
7号底板
k,2016,2700,-301.5,-275
k,2017,2700,-341.5,-235
v,2014,2015,100,2016,2017,108!
7号箱
k,111,3100,-68,-275
k,112,3100,-68,-325
k,113,3100,-362.5,-325
k,114,3100,-362.5,-275
v,103,104,105,106,111,112,113,114!
8号腹板
k,115,3100,-312.5,0
k,116,3100,-312.5,-275
k,117,3100,-362.5,-275
k,118,3100,-362.5,0
v,107,108,109,110,115,116,117,118!
8号底板
k,2018,3100,-272.5,-275
k,2019,3100,-312.5,-235
v,2016,2017,108,2018,2019,116!
8号箱
k,119,3500,-68,-275
k,120,3500,-68,-325
k,121,3500,-332.7,-325
k,122,3500,-332.7,-275
v,111,112,113,114,119,120,121,122!
9号腹板
k,123,3500,-287.5,0
k,124,3500,-287.5,-275
k,125,3500,-332.7,-275
k,126,3500,-332.7,0
v,115,116,117,118,123,124,125,126!
9号底板
k,2020,3500,-247.5,-275
k,2021,3500,-287.5,-235
v,2018,2019,116,2020,2021,124!
9号箱
k,127,3900,-68,-275
k,128,3900,-68,-325
k,129,3900,-307.4,-325
k,130,3900,-307.4,-275
v,119,120,121,122,127,128,129,130!
10号腹板
k,131,3900,-266.2,0
k,132,3900,-266.2,-275
k,133,3900,-307.4,-275
k,134,3900,-307.4,0
v,123,124,125,126,131,132,133,134!
10号底板
k,2022,3900,-226.2,-275
k,2023,3900,-266.2,-235
v,2020,2021,124,2022,2023,132!
10号箱
k,135,4300,-68,-275
k,136,4300,-68,-325
k,137,4300,-286.7,-325
k,138,4300,-286.7,-275
v,127,128,129,130,135,136,137,138!
11号腹板
k,139,4300,-248.8,0
k,140,4300,-248.8,-275
k,141,4300,-286.7,-275
k,142,4300,-286.7,0
v,131,132,133,134,139,140,141,142!
11号底板
k,2024,4300,-208.8,-275
k,2025,4300,-248.8,-235
v,2022,2023,132,2024,2025,140!
11号箱
k,143,4700,-68,-275
k,144,4700,-68,-325
k,145,4700,-270.7,-325
k,146,4700,-270.7,-275
v,135,136,137,138,143,144,145,146!
12号腹板
k,147,4700,-235.4,0
k,148,4700,-235.4,-275
k,149,4700,-270.7,-275
k,150,4700,-270.7,0
v,139,140,141,142,147,148,149,150!
12号底板
k,2026,4700,-195.4,-275
k,2027,4700,-235.4,-235
v,2024,2025,140,2026,2027,148!
12号箱
k,151,5100,-68,-275
k,152,5100,-68,-325
k,153,5100,-259.2,-325
k,154,5100,-259.2,-275
v,143,144,145,146,151,152,153,154!
13号腹板
k,155,5100,-225.7,0
k,156,5100,-225.7,-275
k,157,5100,-259.2,-275
k,158,5100,-259.2,0
v,147,148,149,150,155,156,157,158!
13号底板
k,2028,5100,-185.7,-275
k,2029,5100,-225.7,-235
v,2026,2027,148,2028,2029,156!
13号箱
k,159,5500,-68,-275
k,160,5500,-68,-325
k,161,5500,-252.3,-325
k,162,5500,-252.3,-275
v,151,152,153,154,159,160,161,162!
14号腹板
k,163,5500,-219.9,0
k,164,5500,-219.9,-275
k,165,5500,-252.3,-275
k,166,5500,-252.3,0
v,155,156,157,158,163,164,165,166!
14号底板
k,2030,5500,-179.9,-275
k,2031,5500,-219.9,-235
v,2028,2029,156,2030,2031,164!
14号箱
k,167,5900,-68,-275
k,168,5900,-68,-325
k,169,5900,-250,-325
k,170,5900,-250,-275
v,159,160,161,162,167,168,169,170!
15号腹板
k,171,5900,-218,0
k,172,5900,-218,-275
k,173,5900,-250,-275
k,174,5900,-250,0
v,163,164,165,166,171,172,173,174!
15号底板
k,2032,5900,-178,-275
k,2033,5900,-218,-235
v,2030,2031,164,2032,2033,172!
15号箱
k,175,6100,-68,-275
k,176,6100,-68,-325
k,177,6100,-250,-325
k,178,6100,-250,-275
v,167,168,169,170,175,176,177,178!
16号腹板
k,179,6100,-218,0
k,180,6100,-218,-275
k,181,6100,-250,-275
k,182,6100,-250,0
v,171,172,173,174,179,180,181,182!
16号底板
k,2034,6100,-178,-275
k,2035,6100,-218,-235
v,2032,2033,172,2034,2035,180!
16号箱
voffst,16,150
voffst,272,150
voffst,281,300
voffst,290,300
voffst,299,300
voffst,308,300
k,238,1800,0,0
k,239,1800,-28,0
k,240,1800,-28,-105
k,241,1800,-68,-255
k,242,1800,-68,-325
k,243,1800,-28,-475
k,244,1800,-15,-600
k,245,1800,0,-600
k,246,2100,0,0
k,247,2100,-28,0
k,248,2100,-28,-105
k,249,2100,-68,-265
k,250,2100,-68,-325
k,251,2100,-28,-475
k,252,2100,-15,-600
k,253,2100,0,-600
a,238,239,240,241,242,243,244,245
a,246,247,248,249,250,251,252,253
a,238,239,247,246
a,239,240,248,247
a,240,241,249,248
a,241,242,250,249
a,242,243,251,250
a,243,244,252,251
a,244,245,253,252
a,238,245,253,246
va,326,327,328,329,330,331,332,333,334,335
k,254,2400,0,0
k,255,2400,-28,0
k,256,2400,-28,-105
k,257,2400,-68,-275
k,258,2400,-68,-325
k,259,2400,-28,-475
k,260,2400,-15,-600
k,261,2400,0,-600
a,254,255,256,257,258,259,260,261
a,246,247,255,254
a,247,248,256,255
a,248,249,257,256
a,249,250,258,257
a,250,251,259,258
a,251,252,260,259
a,252,253,261,260
a,246,253,261,254
va,327,336,337,338,339,340,341,342,343,344
voffst,336,300
voffst,345,400
voffst,354,400
voffst,363,400
voffst,372,400
voffst,381,400
voffst,390,400
voffst,399,400
voffst,408,400
voffst,417,200
k,3000,200,-50,0
k,3001,200,-50,-105
k,3002,200,-90,-255
k,3003,200,-510,-255
k,3004,200,-550,-215
k,3005,200,-550,0
v,16,17,20,21,3000,3001,3004,3005
v,17,18,19,20,3001,3002,3003,3004
vsymm,x,all
vsymm,z,all
vadd,all
k,9000,300,-700,325
k,9001,300,-700,-325
k,9002,-300,-700,-325
k,9003,-300,-700,325
k,9004,300,-8500,325
k,9005,300,-8500,-325
k,9006,-300,-8500,-325
k,9007,-300,-8500,325
v,9000,9001,9002,9003,9004,9005,9006,9007!
主墩
vadd,all
nummrg,all
numcmp,all
4.1.2预应力钢束建模
命令流如下：
lsel,none
*do,i,4000,4002
k,4000,-890,-347,300
k,4001,-538.7,-101,300
k,4002,538.7,-101,300
k,4003,890,-347,300
a=i
b=a+1
l,a,b
*enddo
*do,i,4004,4006
k,4004,-890,-347,-300
k,4005,-538.7,-101,-300
k,4006,538.7,-101,-300
k,4007,890,-347,-300
a=i
b=a+1
l,a,b
*enddo!
W1
*do,i,4008,4010
k,4008,-1190,-320,284
k,4009,-877.3,-101,284
k,4010,877.3,-101,284
k,4011,1190,-320,284
a=i
b=a+1
l,a,b
*enddo
*do,i,4012,4014
k,4012,-1190,-320,-284
k,4013,-877.3,-101,-284
k,4014,877.3,-101,-284
k,4015,1190,-320,-284
a=i
b=a+1
l,a,b
*enddo!
W2
*do,i,4016,4018
k,4016,-1490,-295,-316
k,4017,-1213,-101,-316
k,4018,1213,-101,-316
k,4019,1490,-295,-316
a=i
b=a+1
l,a,b
*enddo
*do,i,4020,4022
k,4020,-1490,-295,316
k,4021,-1213,-101,316
k,4022,1213,-101,316
k,4023,1490,-295,316
a=i
b=a+1
l,a,b
*enddo!
W3
*do,i,4024,4026
k,4024,-1790,-274,-300
k,4025,-1519,-84,-300
k,4026,1519,-84,-300
k,4027,1790,-274,-300
a=i
b=a+1
l,a,b
*enddo
*do,i,4028,4030
k,4028,-1790,-274,300
k,4029,-1519,-84,300
k,4030,1519,-84,300
k,4031,1790,-274,300
a=1
b=a+1
l,a,b
*enddo!
W4
*do,i,4032,4034
k,4032,-2090,-252,-284
k,4033,-1799,-84,-284
k,4034,1799,-84,-284
k,4035,2090,-252,-284
a=i
b=a+1
l,a,b
*enddo
*do,i,4036,4038
k,4036
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