袖阀管注浆法在杂填土地层基础加固中的应用  

Application of sleeve valve pipe grouting method in foundation reinforcement of miscellaneous fill soil layer

作　　者：罗跃文[1] 高春羽 LUO Yue-wen;GAO Chun-yu(Beijing Tongchengda Water Construction Co.,Ltd,Beijing 100000,China)

机构地区：[1]北京通成达水务建设有限公司,北京100000

出　　处：《广西水利水电》2022年第4期68-71,共4页Guangxi Water Resources & Hydropower Engineering

摘　　要：北京市南水北调配套工程河西支线工程施工第三标段进出水管线基础为杂填土地层,填土地层力学性质不稳定,采取袖阀管注浆加固法进行基础加固,该注浆方法效果明显,很好地改善了地层性质,明显提高地基承载力。文章根据工程实际情况,对袖阀管注浆工艺进行了介绍。The inlet and outlet pipes of No.3 bidding section of Hexi branch works of South-to-North Water Transfer Supporting Project fall on miscellaneous fill soil layer with unstable mechanical properties.Sleeve valve pipe grouting method was adopted for foundation reinforcement,rendering significant effects and improving the stratum properties,significantly increasing the foundation bearing capacity.An introduction was made on the sleeve valve pipe grouting technique combined with the actual situation of project.

关 键 词：杂填土地层 基础加固 袖阀管注浆 

分 类 号：TV543.1[水利工程—水利水电工程]