PBA工法在北京地铁工程中的应用及发展前景  

APPLICATION AND DEVELOPMENT PROSPECT OF PBA METHOD IN BEIJING SUBWAY PROJECT

作　　者：杨扬 高琨 YANG Yang;GAO Kun(BCEG Civil Engineering Co.,Ltd.,100015,Beijing,China)

机构地区：[1]北京建工土木工程有限公司,北京100015

出　　处：《建筑技术》2021年第8期904-908,共5页Architecture Technology

摘　　要：为解决城市轨道交通基坑工程涉及范围广、挖掘深度深等问题,结合盖挖法和分步暗挖法可在不同的施工阶段发挥各自优势的PBA工法被广泛应用。通过北京地铁工程的应用实例,分析PBA工法在不同项目,不同环境中的适用性和应用效果。In order to solve the problems of wide range and deep excavation of urban rail transit foundation pit engineering,the PBA method,which combines cover excavation method and stepwise subsurface excavation method,can be widely used in different construction stages.Through application examples of the Beijing subway project,the applicability and application effects of the PBA method in different projects and different environments are analyzed.

关 键 词：地铁工程 基坑 PBA工法 

分 类 号：TU74[建筑科学—建筑技术科学]