【摘要】 针对当前城市基坑开挖场地狭窄、周边环境复杂,对深基坑的变形要求越来越严格这一特点,采用FLAC3D有限元软件对某一深基坑工程开挖和双排桩支护的过程进行了模拟和分析,并通过改变桩间距,前、后排桩的桩长对基坑水平变形和坑壁沉降量进行了优化设计。分析得出了基于基坑变形控制下的,桩间距和桩长的合理的设计取值.更多还原

【Abstract】 Based on the large finite element software FLAC 3D,the whole process of double-row piles deep excavation engineering excavating and supporting was simulated and analyzed in response to the features of narrow engineering Foundation Pit,complex surrounding environment and stricter deformation of deep excavation.Horizontal Deformation of Foundation Pit and pit wall settlement were optimized through changing pile spacing and the length of front and back piles and the design values with reasonable pile spacing and pile length,based on the control of Foundation Pit deformation,were obtained.更多还原