复杂地层中一柱一桩施工关键技术  

Key technology of one column-one pile construction in huge thick sand layer of high underground water level

作　　者：陈成 兰韡 姚利国 Chen Cheng;Lan Wei;Yao Liguo(Nanjing Metro Construction Co.,Ltd.,Nanjing Jiangsu 210000,China;Shanghai Shen Yuan Geotechnical Engineering Co.,Ltd.,Shanghai 200011,China)

机构地区：[1]南京地铁建设有限责任公司,江苏南京210000 [2]上海申元岩土工程有限公司,上海200011

出　　处：《山西建筑》2024年第23期97-99,共3页Shanxi Architecture

摘　　要：结合南京市某地铁车站逆作法通道基坑一柱一桩施工案例,对高地下水位深厚砂层的复杂地层中嵌岩一柱一桩施工工艺进行创新、总结。重点阐述了高地下水位桩孔施工、立柱定位调垂等关键施工技术,可为同类工程施工提供借鉴。Base on the one column-one pile construction case of a subway station foundation pit in Nanjing,the construction technology in the deep sand layer is innovated and summarized.The key construction technologies such as drilling on the high groundwater level condition and column positioning and verticality adjustment are expounded,which can provide reference for the construction of similar projects.

关 键 词：高地下水位 巨厚砂层 一柱一桩 调垂 

分 类 号：TU463[建筑科学—结构工程]