Numerical simulation study on the time-space effect of excavation and construction of metro station near buildingsChinese Full Text
LU Mingjian;China Railway 17th Bureau Shanghai Rail Transportation Company Limited;
Abstract: During construction of metro station near the existing buildings the dynamic construction process of the station foundation pit excavation in the subway station construction which will have a spatial effect on the surrounding environment.Taking the foundation pit engineering of a subway station in a coastal city as the studying object,The time effect of construction excavation of subway station in complex environment is studied.The actual monitoring results are compared using numerical simulation.It is indicated that the maximum effective stress of the stratum rises continuously and the stress concentration occurs at the bottom of the foundation pit during excavation of the foundation pit of the temporary construction station.The effect of time and space must be taken into account in the excavation of the subway station.
Keywords：
metro station; foundation pit; time-space effect; open cut method; numerical simulation; excavation process;
- DOI：
10.19712/j.cnki.jsjyxb.2017.02.004
- Series：
(C) Architecture/ Energy/ Traffic/ Electromechanics, etc
- Subject：
Railway Transportation
- Classification Code：
U231.3
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