| 大型上承式桁架拱渡槽的三维有限元分析 |
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| 引用本文： | 彭华,孟勇,游春华.大型上承式桁架拱渡槽的三维有限元分析[J].武汉大学学报(工学版),2005,38(5):45-50. |
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| 作者姓名： | 彭华 孟勇 游春华 |
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| 作者单位： | 武汉大学土木建筑工程学院,湖北,武汉,430072 |
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| 摘 要： | 采用三维有限元的方法对南水北调某渡槽的初步设计方案进行了分析,得到了组合工况下整体的变形和应力分布规律.根据受力情况对平板橡胶支座的接触方式进行了简化,降低了计算量.针对拱脚压应力较大的情况,进行了局部加大的优化处理,取得了较好的效果,为工程设计提供了科学依据.
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| 关 键 词： | 渡槽 南水北调 有限元 桁架拱结构 |
| 文章编号： | 1671-8844(2005)05-045-05 |
| 修稿时间： | 2004年10月20 |
Three-dimensional finite element analysis of large roof truss-arched equeduct |
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| PENG Hua,MENG Yong,YOU Chun-Hua.Three-dimensional finite element analysis of large roof truss-arched equeduct[J].Engineering Journal of Wuhan University,2005,38(5):45-50. |
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| Authors: | PENG Hua MENG Yong YOU Chun-Hua |
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| Abstract: | Preliminary design of an aqueduct of South-to-North Water Transfer Project was analyzed by 3D-FEM;and the whole structure's deformation and stress distribution under operating conditions are obtained.According to the working situation of plate rubber support,the contact calculation was simplified; the calculating(amount) was reduced.To reducing the compressive stresses at the impost of arch,we optimized this part and obtained a good result so as to offer a scientific basis for design. |
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| Keywords: | aqueduct South-To-North Water Transfer FEM roof truss-arched structure |
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