振冲碎石桩在砂土地基处理中的应用及加固机理  

Application of vibro-replacement stone column in foundation treatment and strengthening mechanism analysis

作　　者：曾根平[1] 

机构地区：[1]北京交通大学,北京100044

出　　处：《山西建筑》2004年第10期25-26,共2页Shanxi Architecture

摘　　要：介绍了振冲碎石桩法应用于地基加固处理的施工方法 ,从地基土的密实度、碎石桩体的排水效应等方面 ,分析了碎石桩复合地基的抗液化加固机理 。The construction method of vibro replacement stone column is introduced for foundation treatment; at the same time from the compactness of foundation soil, drainage effect of pile and other aspects the strengthening mechanism of the composite foundation of the vibro replacement stone column is analyzed. In addition, the availability of this method in sand soil foundation treatment is also presented.

关 键 词：振冲碎石桩 砂土地基 砂土液化 地基加固 密实度 排水效应 

分 类 号：TU472.35[建筑科学—结构工程] TU441.4[建筑科学—土工工程]