水资源与水工程学报

文章摘要

王晓锋，陈有亮，孟伟波，杨振坤.上海某超深基坑逆作法施工变形的有限元分析Journal of Water Resources and Water Engineering[J].,2016,27(3):192-195

上海某超深基坑逆作法施工变形的有限元分析

FEM analysis of construction deformation of top-down method for ultra-deep excavation in Shanghai

DOI：10.11705/j.issn.1672-643X.2016.03.37

英文关键词: FEM ultra-deep excavation excavation deformation top-down method construction

基金项目:上海市自然科学基金项目（14ZR1428200）

Author Name	Affiliation
WANG Xiaofeng^1,2, CHEN Youliang¹, MENG Weibo¹, YANG Zhenkun¹	(1.上海理工大学环境与建筑学院，上海200093； 2.国网上海市电力公司，上海 200002)

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中文摘要:

利用Plaxis有限元软件，对上海市某超深基坑逆作法施工进行模拟计算,分别分析了地下连续墙插入比、灌注桩数量、临时支撑等对基坑变形的影响。将计算结果的变形规律进行分析，得到超深基坑的一般变形规律和变形控制要点。结论可用于超深基坑的变形预测和设计优化。

英文摘要:

Plaxis(FEM) software was used to simulate a ultra-deep excavation constructed by top-down method in Shanghai. The paper analyzed the influence of insertion ratio of underground diaphragm wall,number of pile and temporary support on deformation respectively.It analyzed the general deformation law of calculation result,and got the general deformation law of ultra-deep excavation and the control points of deformation. The conclusions can be used for the deformation prediction and design optimization of ultra-deep excavation.

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