复杂喀斯特地层桥梁桩基钢护筒跟进法施工常见问题与处治措施——以贵州省为例  

Common Problems and Treatment Measures for Construction of Bridge Pile Foundation with Steel Casing Follow-up Method in Complex Karst Strata——Taking Guizhou Province as an Example

作　　者：覃振洲 向晖 袁本哲 Qin Zhenzhou;Xiang Hui;Yuan Benzhe(Guizhou Hongxin Chuangda Engineering Detection&Consultation Co.,Ltd.,Guiyang,Guizhou 550014;China State Construction Railway Investment&Engineering Group Co.,Ltd.,Beijing 102600)

机构地区：[1]贵州宏信创达工程检测咨询有限公司,贵州贵阳550014 [2]中建铁路投资建设集团有限公司,北京102600

出　　处：《工程技术研究》2022年第12期29-31,共3页Engineering and Technological Research

摘　　要：文章对复杂喀斯特地层中桥梁桩基钢护筒跟进法施工常发生的漏浆、偏孔、卡钻和护筒变形四种问题进行了较全面的分析,并对相应的处治措施进行了梳理总结,可为贵州省喀斯特地区今后桥梁桩基钢护筒跟进法施工提供借鉴和指导。In this paper, four common problems in the bridge pile foundation construction with steel casing follow-up method in complex Karst strata are comprehensively analyzed, including slurry leakage, hole deviation, stuck drill and casing deformation, and the corresponding treatment measures are sorted out and summarized, which can provide reference and guidance for the bridge pile foundation construction with steel casing follow-up method in Karst areas of Guizhou Province in the future.

关 键 词：喀斯特 桩基 钢护筒跟进法 漏浆 偏孔 卡钻 钢护筒变形 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]