地铁车站深基坑开挖监测与数值分析

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Abstract Research purposes: In the process of underground engineering building，security and stability of metro community facility shows its own particularly significance． This paper illustrates a subway in digging process，observing and studying the security and stability of the soil and supporting research，provides reference for future construction of a subway station．

Research conclusions: Through comprehensive analysis and evaluation，we get the changeable regular pattern． Among the law，the horizontal displacement of digging deep retaining wall incremental growth from blew to top; during excavation，support axial force have obvious change，and ultimately to stabilize． Through the comparison of software， the conclusion was found that first line support for Foundation pit using reinforced concrete support is more reasonable，and exerting prestressing force on support is effectively to inhibit lateral displacement of diaphragm wall and soil．

Key words： deep foundation support deformation cast in site diaphragm wall finite element method

Received: 10 March 2011

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TU443

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2011/V28/I5/81

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