高压旋喷注浆法处治黄土地区软基效果分析  

Analysis of treatment effect of high pressure rotary jet grouting method for soft foundation in loess area

作　　者：王亚妮 Wang Yani(Shanxi Road and Bridge Sixth Engineering Co.,Ltd.,Jinzhong 030600,China)

机构地区：[1]山西路桥第六工程有限公司,山西晋中030600

出　　处：《山西建筑》2021年第1期77-79,共3页Shanxi Architecture

摘　　要：基于高速公路黄土软基处治实践,分析高压旋喷桩注浆法对软土地基的处治效果。详细阐述了黄土地区软基高压旋喷桩加固原理,总结了施工技术要点。建立试验段,开展开挖检查、钻孔检查、荷载试验和基桩低应变动力检测,分析试验结果说明达到了预期的加固效果。Based on the treatment practice of expressway loess soft foundation,the treatment effect of high pressure jet grouting pile grouting method on soft foundation is analyzed.The principle of high-pressure jet grouting pile reinforcement for soft foundations in loess areas is described in detail,and the key points of construction techniques are summarized.The test section was established,and the excavation inspection,borehole inspection,load test and low-strain dynamic test of foundation piles were carried out.The analysis test results showed that the expected reinforcement effect was achieved.

关 键 词：软土地基 黄土地区 高压旋喷注浆法 处治效果 

分 类 号：U416.1[交通运输工程—道路与铁道工程]