淤泥质软土地基桥台地基处理方法探究  

Research on Treatment Method of Abutment Foundation in Silty Soft Soil Foundation

作　　者：宿霄男 杨晓 杨阳 刘恩广 SU Xiao-nan;YANG Xiao;YANG Yang;LIU En-guang(North China Municipal Engineering Design&Research Institute Co.,Ltd.,Tianjin 300074,China)

机构地区：[1]中国市政工程华北设计研究总院有限公司,天津300074

出　　处：《中国市政工程》2020年第5期84-87,91,119,120,共7页China Municipal Engineering

摘　　要：以某滨海城市入海口新区起步区新建桥梁为工程背景,针对淤泥质软土地基在桥台前后的土体滑动稳定性差异问题,提出可能导致的病害,分析换填、水泥土搅拌桩及高压旋喷桩3种地基处理方法的效果,探讨桥梁桩基参与抗滑力计算的方法,取得良好效果。研究结果可为类似工程设计提供参考。Based on the engineering background of a new bridge in the starting area of some coastal city,aiming at the difference of soil sliding stability before and after the abutment in silty soft soil foundation,it puts forward the possible diseases,analyzes the effect of the 3 foundation treatment methods,namely replacement filling,cement soil mixing pile&high-pressure jet grouting pile,and discusses the method of bridge pile foundation participating in the calculation of anti-sliding force with arriving at good results.The research results may provide reference for similar engineering design.

关 键 词：淤泥质软土地基 桥台 滑动稳定 地基处理 

分 类 号：U443.21[建筑科学—桥梁与隧道工程]