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以某地铁车站换乘段基坑工程盖挖法施工为实例,采用岩土有限元分析软件PLAXIS进行有限元模拟,考虑了施工工况、土体参数等差异对支护结构位移计算结果的影响,再与实际的监测结果进行比较,得到盖挖法施工的风险因素与阶段,希冀能为类似工程提供一定的经验参考。
Taking the excavation construction of foundation pit in transfer station of a metro station as an example, finite element simulation was carried out by using the finite element analysis software of soil and rock analysis software (PLAXIS), and the influences of construction conditions and soil parameters on the calculation results of displacement of supporting structure were considered , And then compared with the actual monitoring results to obtain the risk factors and stages of the cover excavation construction, hoping to provide some experience for similar projects.