| 路堤软土地基沉降有限元非线性分析 |
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| 引用本文： | 刘国明,周军.路堤软土地基沉降有限元非线性分析[J].福州大学学报(自然科学版),2003,31(4):470-473. |
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| 作者姓名： | 刘国明 周军 |
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| 作者单位： | 福州大学土木建筑工程学院,福建,福州,350002 |
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| 摘 要： | 用Biot固结有限元法对路堤软基沉降作非线性有限元分析 ,计算中考虑了土体侧向变形、水平向渗流对沉降的影响 ;采用非线性本构模型 ,考虑了土体应力、应变关系的非线性特性 ;考虑了施工的逐级加载 .计算结果与实测吻合较好 .
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| 关 键 词： | 路堤 软基 Biot固结 沉降 FEM 非线性分析 |
| 文章编号： | 1000-2243(2003)04-0470-04 |
| 修稿时间： | 2003年2月18日 |
Nonlinear FEM analysis of settlement of soft ground under highway embankment |
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| LIU Guo-ming,ZHOU Jun.Nonlinear FEM analysis of settlement of soft ground under highway embankment[J].Journal of Fuzhou University(Natural Science Edition),2003,31(4):470-473. |
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| Authors: | LIU Guo-ming ZHOU Jun |
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| Institution: | (College of Civil Engineering and Architectures, Fuzhou University, Fuzhou, Fujian 350002, China) |
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| Abstract: | On the base of the Biot consolidation theory and the principle of the Finite Element Method, the authors analyzed the settlement of the soft ground under the highway embankment with the nonlinear Finite Element Method. The method applied in this thesis can consider the influence of the lateral displacement and lateral seepage, consider the nonlinear relation between the stress and strain, consider the relation between the time and load. In this thesis, the authors analyzed an engineering case with the FEM program BP, the results calculated by BP were very close to the measured results. This proved that the FEM program BP is very credible and practical. |
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| Keywords: | highway embankment soft ground Biot consolidation settlement FEM nonlinear analysis |
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