The subway station deep foundation pit engineering in subway design and construction is the key project. In recent years, the urbanization is very fast, urban subway construction is becoming more and more fast, so the subway station deep foundation pit en-gineering deformation monitoring work is particularly important. In this paper, a Hangzhou subway deep foundation pit is simulated by FLAC3D , get the biggest deformation and the curve of the deformation, and then compare with the test data. It was found that it can ef-fectively respond deformation law of subway station deep foundation pit by FLAC3D , and provide reference basis for the deformation monitoring of subway deep foundation pit projects in the future.%地铁车站深基坑工程在地铁设计与施工中是关键工程.近年来,由于城市化速度加快,城市地铁的建设也越来越快,所以地铁车站深基坑工程的变形监测工作显得尤为重要.本文针对杭州某地铁深基坑,通过FLAC3D对其进行模拟分析,得到最大变形量与变形曲线,再与实测数据进行比对.结果发现,通过FLAC3D模拟能有效地反映地铁车站深基坑的变形规律,为以后的地铁深基坑工程的变形监测提供了参考.
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