Factors Influencing Deformation of Excavation Pits and Numerical Simulation with Finite Element Method
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摘要: 基坑变形影响因素是其变形控制的重要内容之一,在自制深基坑工程变形控制优化设计及其有限元数值模拟系统(SDCDEFEM)的基础上,重点对影响基坑变形的各因素进行了有限元数值模拟分析,并对实测和计算的基坑周边最大沉降、支护结构最大水平位移和坑底最大隆起及其位置进行了统计分析,得出了简明估算基坑最大变形及其位置的统计关系式,提出了经济有效的变形控制对策。
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关键词:
- 基坑 /
- 变形控制 /
- 变形影响因素 /
- 有限元 /
- SDCDEFEM系统
Abstract: Factors influencing deformation of excavation pits are one of important contents of its deformation control,which are developed to simualte and analyze in detail with the system of the optimized design with deformation control and the numerical simulation with finite element method in deep excavation-pit engineering (SDCDEFEM).Measured and simulated data of maximum settlement,maximum displacement,maximum swell and their places are statistically analysed.The statistic formula estimating maximum deformations and their places of deep excavation pits are obtained.Economical and effective measures of deformation control are put forward. -
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