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Performance of soil-cement column retaining wall used with top-down construction method for basement construction in Bangkok subsoil

机译:自上而下施工方法在曼谷地下土中水泥土柱挡土墙的性能

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The performance of soil-cement column (SCC) retaining wall system with top-down construction method was observed and present in this paper. From the observation data, the 3D finite element model is used for back calculation to obtain appropriate stiffness parameter for ground movement prediction during SCC installation stage and during excavation stage. The suitable stiffness parameter for prediction of ground movement for soft clay is 50S_u, and 500S_u at the SCC installation stage and at excavation stage respectively. The influence of stiffness on lateral force is also reported.
机译:观察并提出了自顶向下施工方法的水泥土桩(SCC)挡土墙系统的性能。从观测数据中,将3D有限元模型用于反算,以获得适当的刚度参数,以用于SCC安装阶段和开挖阶段的地面运动预测。在SCC安装阶段和开挖阶段,用于预测软土地面运动的合适刚度参数分别为50S_u和500S_u。还报告了刚度对侧向力的影响。

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