| 软土基坑分步开挖时地层移动规律探讨 |
| |
| 引用本文： | 高文华,沈蒲生. 软土基坑分步开挖时地层移动规律探讨[J]. 湖南科技大学学报(自然科学版), 2002, 17(1): 1-4 |
| |
| 作者姓名： | 高文华 沈蒲生 |
| |
| 作者单位： | 1. 湘潭工学院,土木工程系,湖南,湘潭,411201
2. 湖南大学,土木工程学院,湖南,长沙,410082 |
| |
| 基金项目： | 湖南省自然科学基金资助项目 (编号 :0 0 JJY2 0 55) |
| |
| 摘 要： | 通过对软土基坑现场位移监测资料的比较分析 ,提出了三元件线性粘弹性土体本构模型及其模型参数的反分析方法 .在此基础上 ,建立了可考虑土体流变性态的二维施工模拟有限元模型 .同时依据所提出的计算模型 ,详细探讨了不同的分步开挖工况条件下坑底和坑周地层移动的规律 .其结论可为施工技术及坑周环境保护提供指导性依据和对策 .图 3,参5
|
| 关 键 词： | 基坑 土体流变 分步开挖 地层移动 有限元 |
| 文章编号： | 1000-9930(2002)01-0001-041-1 |
| 修稿时间： | 2000-11-30 |
Influence on strata deformation for staged construction of excavation in soft clay |
| |
| GAO Wen hua ,SHEN Pu sheng. Influence on strata deformation for staged construction of excavation in soft clay[J]. Journal of Hunan University of Science & Technology(Natural Science Editon), 2002, 17(1): 1-4 |
| |
| Authors: | GAO Wen hua SHEN Pu sheng |
| |
| Affiliation: | GAO Wen hua 1,SHEN Pu sheng 2 |
| |
| Abstract: | Through comparison and analysis of displacements measured in the field,three element linear viscoelastic constitutive model of the soil and its back analysis method of the parameters were raised. On the basis of this, the two dimensional FE model that can consider rheology of soil and simulate the staged construction of excavation was set up. According to this model,the paper studied in details the rules of strata deformation in the bottom of foundation pit and round it for staged construction of excavation. The results can guide the construction and environmental protection.3figs.,5refs. |
| |
| Keywords: | foundation pit rheology of soil staged construction strata deformation FEM |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
