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建立三维有限元模型对上海轨道交通杨浦线(M8)工程复兴路站基坑分步开挖,以及车站主体结构分步浇筑的整个施工过程进行分析,介绍了工程的相关情况,考虑土与结构的共同作用以及土体分层,分步开挖和支护结构分步施工。并给出主要计算结果与实测值进行比较,表明该三维有限元分析方法可以很好地模拟基坑开挖过程,并能为类似场地条件的地铁站设计施工提供参考。
The establishment of three-dimensional finite element model for the Shanghai Metro Yangpu Line (M8) project Fuxing Road Station pit excavation step by step, as well as the main step-by-step pouring of the station construction process of the whole analysis, introduced the project related to consider the soil and structure And the soil layering, step by step excavation and support structure step by step construction. The main results are compared with the measured values. The results show that the three - dimensional finite element method can simulate the excavation process and provide a reference for the design and construction of metro stations with similar site conditions.