2011年10月上 施工技术 第40卷第350期 CONSTRUCTION TECHNOLOGY 61 深基坑数值模拟与现场监测分析 何本贵，刘芳2，高谦3，王秀丽 (1.林同楼国际工程咨询（中国）有限公司北京分公司，北京100101； 2.清华大学基建规划处，北京100084；3.北京科技大学土木与环境工程学院，北京100083) [摘要]以北京某深基坑工程为例，利用数值模拟和现场监测结果，对基坑的设计和施工进行稳定性评价.考虑了 地下连续墙与土体的相互作用，利用有限差分数值计算方法模拟深基坑开挖支护的动态过程，并与基坑变形监测 数据相比较，从不同角度对深基坑的开挖支护进行稳定性评判.结果表明，理论分析和实际监测结果较吻合，为本 工程的顺利实施提供了依据. [关键词]地下工程；深基坑；地下连续墙；施工模拟；监测 [中图分类号]TU413.62 [文献标识码]A [文章编号]1002-8498(2011)19-0061-03 Analysis of Numerical Simulation of Deep Foundation and On-site Monitoring He Bengui' Liu Fang? Gao Qian' Wang Xiuli' (1.Beijing Branch of T.Y.Lin International Engineering Consulting China)Co.Ltd.Beijing 100101 China; 2.Construction and Campus Planning Office of Tsinghua University Beijing 100084 China: 3.Civil Environment Engineering School University of Science Technology Beijing Beijing 100083 China) Abstract:Based on some deep foundation engineering in Beijing authors make stability evaluation on design and construction of foundation excavation according to numerical simulation and on-site monitoring.Taking the interaction of diaphragm wall and soil into consideration authors simulate the excavation step sequence by using the finite difference numerical calculation and pare with foundation deformation monitoring data.They make stability evaluation on deep foundation excavation and support from different angles.Results show that theoretical analysis and actual monitoring results agree well which make the construction smooth. Key words:underground;deep founda...
深基坑数值模拟与现场监测分析.pdf
