HSW工法桩在深厚软土基坑中的应用  

Application of HSW in Deep Soft Soil Foundation Excavation

作　　者：刘媛 吴显伟 LIU Yuan;WU Xianwei(Central and Southern China Municipal Engineering Design&Research Institute Co.,Ltd.,Wuhan,Hubei 430010,China)

机构地区：[1]中国市政工程中南设计研究总院有限公司,湖北武汉430010

出　　处：《施工技术》2020年第S01期25-29,共5页Construction Technology

摘　　要：HSW工法桩是近年来迅速发展的一项新的基坑支护技术,具有刚度大、安全性高、止水止淤效果好、施工快捷、可循环利用、经济环保等特点。在对安全性、经济性、施工效率有严格要求的软土基坑支护工程中极为适用。本文结合工程实例,分析了HSW工法桩及双排工法桩在深厚软土基坑中的应用,探讨了HSW工法桩的等效截面计算方法,提出了HSW工法桩在施工中的关键技术手段,旨为类似条件下的基坑支护设计、施工提供参考。HSW is a new foundation excavation support technology that has developed rapidly in recent years.It has the characteristics of high rigidity,high safety,good water and silt stopping effect,fast construction,recyclable,economic and environmental protection.It is very suitable for soft soil foundation excavation support engineering with strict requirements on safety,economy and construction efficiency.This paper analyzes the application of HSW and double row pile in deep soft soil foundation excavation,discusses the calculation method of equivalent section of HSW,and puts forward the key technical means of HSW in construction,so as to provide reference for foundation excavation support design and construction under similar conditions.

关 键 词：深厚软土 基坑 支护 HSW工法桩 等效截面 

分 类 号：TU753.3[建筑科学—建筑技术科学]