岩溶地质钻孔灌注桩成孔案例研究  

Case Study of Karst Geological Borehole Filling Pile

作　　者：万春 Wan Chun(China Railway 22nd Bureau Group Second Engineering Co.,LTD.,Beijing 100041,China)

机构地区：[1]中铁二十二局集团第二工程有限公司,北京100041

出　　处：《黑龙江科学》2024年第2期147-149,共3页Heilongjiang Science

摘　　要：钻孔灌注桩是一项隐蔽工程,施工过程中涉及多个成桩环节,合理选用钻机、施工工艺及成桩质量控制是关键。以某特大桥为例,分析了邻近营业线岩溶地质灌注桩施工控制要点,以提高施工质量及效率,创造良好的经济及社会效益,为技术人员提供参考。Bored pile is a hidden project.A number of pile forming links,reasonable selection of drilling rig,construction technology and pile quality control are key points in the construction.Through taking a large bridge as an example,the study analyzes the construction control points of Karst geological cast-in piles near the business line,so as to improve the construction quality and efficiency,create good economic and social benefits,and provide valuable reference for technical personnel.

关 键 词：灌注桩 邻近营业线 岩溶桩基 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]