跟进式旋挖桩施工技术在复杂地质条件下的应用研究  

Research on Application of Follow-up Rotary Digging Pile Construction Technology Under Complex Geological Conditions

作　　者：董琦荣 胡伟萍 徐卫军 DONG Qi-rong;HU Wei-ping;XU Wei-jun(Zhejiang Zhejing Construction Development Co.Ltd.,Lishui 323500,China)

机构地区：[1]浙江浙景建设发展有限公司,浙江丽水323500

出　　处：《工程建设与设计》2025年第6期150-152,共3页Construction & Design for Engineering

摘　　要：以景宁县“大搬快聚富民安居”张春小区保障性住房C-09地块项目工程为研究背景,结合项目的地质条件,论述了钢护筒跟进成孔灌注桩施工工艺,包括施工准备、护筒埋设、钻孔施工、清孔及成孔检查、钢筋笼制作及安放、导管安装、混凝土灌注、护筒拔出等环节的操作要点。最后,介绍了跟进式旋挖桩成孔效率高、应用场景广等特点。With the research background of the affordable housing C-09 plot project of Zhangchun Community in Jingning County,“Move fast Gather Rich people live in peace”,Combined with the geological conditions of the project,the construction technology of steel casing follow-up perforated cast-in-place pile is discussed,including construction preparation,casing buried,drilling construction,hole cleaning and hole formation inspection,steel cage production and placement,pipe installation,concrete pouring,casing pulling out and other operation points.At last,the paper discusses the characteristics of high efficiency and wide application scenarios.

关 键 词：旋挖桩 复杂地质 塌孔 钢护筒跟进 

分 类 号：TU753.3[建筑科学—建筑技术科学]