长江Ⅰ级阶地深基坑降水开挖施工技术研究  

Research on Deep Excavation Dewatering and Excavation Construction Technology for the First-Level Terrace of the Yangtze River

作　　者：肖敦珂 XIAO Dunke(China Railway 11th Bureau Group Urban Rail Transit Engineering Co.,Ltd.,Wuhan,Hubei Province,430000 China)

机构地区：[1]中铁十一局集团城市轨道工程有限公司,湖北武汉430000

出　　处：《大众科学》2024年第22期90-92,共3页China Public Science

摘　　要：针对长江Ⅰ级阶地深基坑降水开挖施工技术进行了系统分析和研究。研究内容包括围护结构施工、降水方案设计、深基坑开挖施工技术及监控量测与应急措施。通过分析地下连续墙施工、MJS工法桩止水等围护结构施工技术,以及降水井布置、降水井施工工艺等降水方案设计,提出了一套科学合理的深基坑开挖原则和工艺,并对特殊部位的处理进行了详细探讨。This paper presents a systematic analysis and study of the dewatering and excavation construction technology for deep foundations in the First-Level Terrace of the Yangtze River.The research includes the construction of retaining structures,dewatering scheme design,deep excavation construction technology,monitoring and measurement,and emergency measures.Through the analysis of retaining structure construction technologies such as underground continuous wall construction,MJS method pile waterproofing,temporary support columns,and anti-pulling piles,as well as dewatering well layout and dewatering well construction techniques,a set of scientifically reasonable excavation principles and processes is proposed.Additionally,the handling of special areas is discussed in detail.

关 键 词：长江Ⅰ级阶地 深基坑 降水开挖 围护结构施工 

分 类 号：TU47[建筑科学—结构工程]