水泥土搅拌桩复合地基承载特性及其影响因素研究

Research on the Bearing Characteristics and Influencing Factors of Cement-soil Mixing Pile Composite Foundation

文中对水泥土搅拌桩复合地基的受力机制及加固机理进行分析,研究了影响复合地基承载特性的主要因素。采用单因素分析法,通过Plaxis 2D有限单元软件进行数值模拟,探讨了不同上部荷载作用下褥垫层刚度、桩间距、桩径对复合地基承载特性的影响,并对复合地基沉降敏感性进行了分析。

This article analyzed the stress mechanism and reinforcement mechanism of cement-soil mixing pile composite foundation,studied the main factors affecting the bearing characteristics of composite foundations.Using single factor analysis method,numerical simulation using Plaxis2D finite element software,explored the effects of cushion stiffness,pile spacing,and pile diameter on the bearing characteristics of composite foundation under different upper loads,and the sensitivity of composite foundation settlement was analyzed.