深厚砂层地基止水帷幕失效原因及处理措施  

Failure Causes and Treatment Measures of Waterproof Curtain in Deep Sand Layer Foundation

作　　者：吴家豪 庄晶晶 WU Jiahao;ZHUANG Jingjing(Zhongyifeng Construction Group Co.,Ltd.,Suzhou 215131,Jiangsu,China)

机构地区：[1]中亿丰建设集团股份有限公司,江苏苏州215131

出　　处：《建筑施工》2023年第11期2160-2161,2164,共3页Building Construction

摘　　要：结合工程实际,对深厚砂层地基止水帷幕失效原因及处理措施进行了研究。从施工、材料、环境等方面分析了影响止水帷幕质量的原因及影响因素,并提出了优化水泥浆泵送压力、控制施工垂直度、止水帷幕掺合料比例控制、土体环境颗粒度分析等应对措施,从而有效地预防和处理止水帷幕质量问题,为类似工程提供了借鉴。Based on the engineering practice,the failure causes and treatment measures of waterproof curtain in deep sand foundation are studied.The causes and influencing factors of waterproof curtain quality from construction,materials,environment and other aspects are analyzed,and some measures such as optimizing cement slurry pumping pressure,controlling construction verticality,waterproof curtain material proportion control,soil environment particle size analysis and so on are put forward,so as to effectively prevent and deal with waterproof curtain quality problems,which provides a reference for similar projects.

关 键 词：深厚砂层地基 水泥搅拌桩 围护止水失效 基坑堵漏 

分 类 号：TU753[建筑科学—建筑技术科学]