岩溶地区钻(冲)孔灌注桩施工的难点及其技术对策  

The Difficulties and Technical Countermeasures of the Construction of Drilling(Punch) Hole Filling Pile in Karst Area

作　　者：范文斌 FAN Wen-bin(Hebei Construction Survey and Research Institute, Shijiazhuang 050031 ,China)

机构地区：[1]河北建设勘察研究院有限公司,石家庄050031

出　　处：《工程建设与设计》2018年第11期92-94,共3页Construction & Design for Engineering

摘　　要：论文通过对岩溶地区钻(冲)孔灌注桩施工中桩底高程的控制、漏浆与塌孔、偏孔与斜桩、卡钻与锤头脱落等方面的难点进行分析,提出了相应的技术对策予以处理,确保该地区灌注桩施工质量可靠性。Based on the karst area of drilling（punch） pile construction control and pile bottom elevation of plasma leakage and hole collapse, partial hole and inclined pile, drilling difficulties and hammer head from falling off and other aspects of the analysis, put forward corresponding measures to deal with, to ensure the construction quality and reliability of the pile area.

关 键 词：岩溶地区 钻(冲)孔灌注桩 难点 技术对策 

分 类 号：TU413.3[建筑科学—岩土工程] TU473.14[建筑科学—土工工程]