渠式切割水泥土连续墙施工技术  

Construction Technology of Channel Cutting Cement-soil Continuous Wall

作　　者：王文凯 章宵 崔艳婷 WANG Wen-kai;ZHANG Xiao;CUI Yan-ting(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)

机构地区：[1]中国水利水电第十四工程局有限公司,云南昆明650041

出　　处：《云南水力发电》2022年第10期155-158,共4页Yunnan Water Power

摘　　要：渠式切割水泥土连续墙是一种适用范围广、止水效果好的隔水帷幕。浙江省杭州市某项目基坑工程采用TRD作为隔水帷幕。基坑开挖深度16m,地下水位高,东侧临近在建地铁2号线,北侧临近河道,且项目三面均为居民住宅,环境保护要求高,从施工成墙、转角处理、置换土处理等方面详细介绍复杂环境下TRD施工工艺。Channel cut cement-soil continuous wall is a water-proof curtain with wide application range and good water-proof effect.TRD is used as water-proof curtain in foundation pit of a project in Hangzhou City,Zhejiang Province.Excavation depth of foundation pit is 16m and groundwater level is high.The east side of the project is close to No.2 subway under construction and the north side is close to the river.All three sides of the project are residential houses,which require high environmental protection.In this paper,the TRD construction technology in complex environment is introduced in detail from the aspects of wall-forming,corner treatment and replacement soil treatment.

关 键 词：渠式切割 水泥土连续墙 止水帷幕 围护结构 深基坑 

分 类 号：TV543.88[水利工程—水利水电工程]