大型地下车库超深基坑明挖综合技术研究与施工  

Research and Construction of Comprehensive Open Excavation Technology for Super Deep Foundation Pit of Large Underground Garage

作　　者：孙军利 曹京强 巩蕾 陈文东 王丹 唐永杰 SUN Junli;CAO Jingqiang;GONG Lei;CHEN Wendong;WANG Dan;TANG Yongjie(Qingdao Construction Group Co.,Ltd.,Qingdao,Shandong 266005,China;Qingdao Construction Engineering Management Service Center,Qingdao,Shandong 266071,China)

机构地区：[1]青岛建设集团股份有限公司,山东青岛266005 [2]青岛市建筑工程管理服务中心,山东青岛266071

出　　处：《建筑施工》2022年第11期2557-2559,2579,共4页Building Construction

摘　　要：为解决医院院区内超深大型地下车库围护设计和明挖施工技术难题,根据现场厚淤泥地质层、高地下水位及邻河、邻高大建筑、邻交通干道等多种施工工况,运用理论与实践经验相结合的方式,通过科学研究比较,合理安排分层分段施工顺序,确定院区面临多种工况下采取不同形式联合围护单元,以经济合理的围护方案及施工方法加快施工进度,辅以全方位边坡位移监测,确保了基坑工程围护体系安全,取得良好效果。In order to solve the technical problems in the enclosure design and open excavation of the super deep and large underground garage in the hospital area,according to the thick sludge geological layer,the high groundwater level,the construction conditions adjacent to rivers,tall buildings,trunk roads and other construction conditions,the combination of theory and practical experience is used to rationally arrange the construction sequence of layers and sections through scientific research and comparison.It is determined that different forms of combined enclosure units will be adopted under various working conditions in the area,and the construction progress will be accelerated with an economical and reasonable enclosure scheme and construction method.It is supplemented by an all-round slope displacement monitoring to ensure the safety of the foundation pit engineering enclosure system and achieve good results.

关 键 词：医院院区 复杂条件 超深基坑 不同围护单元 围护方案 

分 类 号：TU753[建筑科学—建筑技术科学]