| 基坑开挖地表沉陷分析方法 |
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| 引用本文： | 娄奕红,罗旗帜.基坑开挖地表沉陷分析方法[J].公路,2002(12):51-54. |
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| 作者姓名： | 娄奕红 罗旗帜 |
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| 作者单位： | 佛山科学技术学院,土木工程与建筑系,佛山市,528000 |
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| 摘 要： | 提出了用有限元－无界元耦合的方法进行基坑开挖时地表沉陷变形分析，为了模拟实际受力状态，在挡土结构与土相接触的界面上设置了一种有厚度的接触面单元，它可以与土体的弹塑性模型相衔接，能合理地反映接触面及其邻近区域剪切破坏带中的变形性状，结合工程实例，计算结果表明，本文方法能反映实际情况。
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| 关 键 词： | 地表沉陷 基坑开挖 有限元－无界元耦合 接触面单元 受力分析 |
| 文章编号： | 0451-0712(2002)12-0051-04 |
Analysis of Surface Settlement During Excavation |
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| LOU Yi hong,LUO Qi zhi.Analysis of Surface Settlement During Excavation[J].Highway,2002(12):51-54. |
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| Authors: | LOU Yi hong LUO Qi zhi |
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| Abstract: | The coupling method of the finite-infinite element is suggested for analyzing the surface settlement during excavation. In order to simulate the actual situation,a new kind of interface element with thickness is installed in the interface between soil and structure.It can dovetail with elastic-plastic models of soils,and can reflect the deformation in the interface and its nearby shear failure area reasonably.It is verified by a practical project,the new method is much in conformity with observation data. |
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| Keywords: | surface settlement excavation finite element-infinite element coupling interface element |
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