某地铁隧道下穿现有地铁车站出入口变形分析

Deformation analysis for the passageway of the existed metro line while an new tunnel traversing under it

结合具体工程实例,运用FLAC3D程序建模,分析了某一隧道下穿既有车站出入口时,引起上部车站出入口结构产生的沉降变形,根据计算结果可以为指导现场施工提供科学依据。

Combining with practical project example,simulated by use of software-FLAC3D in this paper,analyses building a tunnel descend to the current station structure which cause the current station structure certain transformation.The results of analog computing is acquired accurately to provide the scientific basis for construction decision.