高速公路软土地基粉喷桩复合地基处治效果分析  

Analysis on the treatment effect of composite foundation of soft soil foundation of expressway

作　　者：苗洺源 Miao Mingyuan(Shanxi Road and Bridge Construction Group Co.,Ltd.,Taiyuan 030006,China)

机构地区：[1]山西路桥建设集团有限公司,山西太原030006

出　　处：《山西建筑》2020年第24期113-114,共2页Shanxi Architecture

摘　　要：阐述了粉喷桩复合地基软基加固机理,结合工程实例分析粉喷桩加固效果。在软土地基施工现场建立试验段,制定粉喷桩复合地基处治方案,并选取有代表性的测点进行地基承载力试验,分析试验结果得出处治后地基承载力达到了设计要求。The mechanism of soft foundation reinforcement of composite foundation of DJM pile is described,and the effect of DJM pile reinforcement is analyzed with engineering examples.Establish a test section at the construction site of soft soil foundation,formulate a treatment plan for powder jet pile composite foundation,select representative test points for foundation bearing capacity test.The analysis of the test results shows that the foundation bearing capacity after treatment meets the design requirements.

关 键 词：高速公路 软土地基 粉喷桩复合地基 地基承载力 

分 类 号：U416.1[交通运输工程—道路与铁道工程]