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| 软土基坑周围地表沉陷变形计算分析 | |
| 引用本文： | 李小青,王朋团,张剑.软土基坑周围地表沉陷变形计算分析[J].岩土力学,2007,28(9):1879-1882. |
| 作者姓名： | 李小青 王朋团 张剑 |
| 作者单位： | 1. 华中科技大学,土木工程与力学学院,武汉,430074 2. 湖北黄石市公路管理局,湖北,黄石,435000 3. 湖北黄石市公路工程质量检测站,湖北,黄石,435000 |
| 摘 要： | 在分析总结基坑周围地表沉陷变形计算方法的基础上,根据软土基坑变形规律,按指数曲线拟合基坑周围地表沉降变形,推导出在软土地区深基坑开挖中由支护结构变位引起周围地表沉降变形的计算方法,并通过实例分析、比较,预测地表沉降,对于周围环境要求严格的基坑工程提供了较可靠的计算方法,对于基坑周围环境保护有重要的意义。 |
| 关 键 词： | 软土基坑 地表变形 计算. |
| 文章编号： | 1000-7598-（2007）09-1879-04 |
| 收稿时间： | 2005-11-17 |
| 修稿时间： | 2005-11-17 |
Calculation analysis of circumferencial surface settlement of soft soil foundation pit |
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| LI Xiao-qing,WANG Peng-tuan,ZHANG Jian.Calculation analysis of circumferencial surface settlement of soft soil foundation pit[J].Rock and Soil Mechanics,2007,28(9):1879-1882. | |
| Authors: | LI Xiao-qing WANG Peng-tuan ZHANG Jian |
| Institution: | 1. School of Civil Eng. & Mechanics, HUST, Wuhan 430074, China; 2. Huangshi Highway Administraion Bureau. Huangshi 435000, China; 3. Huangshi Quality Checking Station of Road Works, Huangshi 435000, China |
| Abstract: | On the basis of analyzing and summarizing the method to calculate the ground surface settlement around the soft soil foundation pit and in the light of the deformation law of the soft soil foundation pit,the circumferencial ground surface settlement deformation of the pit is fitted in terms of exponential curves and the method is deduced to calculate the settlement deformation of the ccrcumferential ground surface of a deep foundation pit in soft soil regions that is caused by the deflection of the supporting system during excavation.Prediction is made for surface settlement through analysis and comparison of practical cases.A reliable method is put forword for the calculation of the settlement of the foundation pit projects having serious requirement on surrounding environments,which is of signifcance to enviromental protection. |
| Keywords: | soft soil foundation pit ground deformation calculation |
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