基于ansys的钢桁架桥的分析和计算

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1、基于ansys的钢桁架桥的分析和计算姓名:马彦学院：建筑与环境专业：工程力学学号：1043055033指导老师：朱哲明2013/6/151.问题简述钢桁架桥简图如下，尺寸如图，单元长12m，高16m。设桥面板为0.3m厚的混凝土板。杆件截面号形状规格端斜杆1工字梁400*400*16*16上下弦2工字梁400*400*12*12横向连接梁2工字梁400*400*12*12其他腹杆3工字梁400*300*12*12参数钢材混凝土EX2.1x10113.5x1010PRXY0.30.1667DENS785025002.材料实常数3.半横架桥模型镜面对称，生成整体模型3.施加约束及受力4.计算及分

2、析结果◆整体位移云图◆结点总位移矢量图◆单元第一主应力云图◆单元第二主应力云图◆单元第三主应力云图◆节点位移结果PRINTUNODALSOLUTIONPERNODE*****POST1NODALDEGREEOFFREEDOMLISTING*****LOADSTEP=1SUBSTEP=1TIME=1.0000LOADCASE=0THEFOLLOWINGDEGREEOFFREEDOMRESULTSAREINTHEGLOBALCOORDINATESYSTEMNODEUXUYUZUSUM10.18808E-02-0.20919E-010.70316E-030.21015E-0120.11411E-0

3、2-0.21354E-010.59772E-030.21393E-0130.14813E-02-0.20809E-010.11202E-020.20892E-0140.15919E-02-0.20373E-010.11392E-020.20467E-0150.22549E-02-0.18918E-010.10528E-020.19081E-0160.23458E-02-0.18310E-010.10055E-020.18487E-017-0.10050E-02-0.18459E-01-0.38731E-020.18887E-018-0.11376E-02-0.19066E-01-0.3859

4、8E-020.19486E-0190.24977E-02-0.12074E-010.72603E-030.12351E-01100.29237E-02-0.11079E-010.68719E-030.11479E-0111-0.35033E-02-0.10438E-01-0.84626E-020.13887E-0112-0.38537E-02-0.10965E-01-0.84226E-020.14353E-01130.27521E-020.00000.00000.27521E-02140.34768E-020.00000.00000.34768E-02150.82671E-03-0.1794

5、7E-010.14911E-030.17967E-01160.67748E-03-0.19250E-010.10648E-030.19262E-01170.42077E-02-0.19398E-010.59595E-020.20725E-01180.40812E-02-0.18095E-010.59727E-020.19488E-01190.40101E-03-0.10784E-010.34385E-040.10791E-01200.34470E-03-0.12307E-010.25523E-060.12312E-01210.69212E-02-0.11199E-010.10204E-010

6、.16656E-01220.65820E-02-0.10142E-010.10244E-010.15847E-01230.00000.00000.00000.0000240.00000.00000.00000.0000MAXIMUMABSOLUTEVALUESNODE212222VALUE0.69212E-02-0.21354E-010.10244E-010.21393E-01◆单元受力结果PRINTELEMENTTABLEITEMSPERELEMENT*****POST1ELEMENTTABLELISTING*****STATCURRENTCURRENTELEMZHOU_IZHOU_J1-

7、49659.7936.32-42695.-3502.73-9873.9-28642.49567.9-51440.5-15016.23374.6-22120.-5510.47-26981.-11385.8-33355.18549.9-17656.-15556.10-16095.-16301.11-16203.-16943.12-12683.-20132.134836.65157.114-17901.-18351