桥梁冲击成孔灌注桩施工中的溶洞处理方法探究——以海月桥项目为例  

Study on Treatment Method of Karst Cave in the Construction of Percussive Bored Pile of Bridge——Taking Haiyue Bridge Project as an Example

作　　者：孙国培 SUN Guo-pei(Haining Urban and Rural Construction Management Service Center,Haining 314400,China)

机构地区：[1]海宁市城乡建设管理服务中心,浙江海宁314400

出　　处：《工程建设与设计》2021年第22期182-185,共4页Construction & Design for Engineering

摘　　要：以海宁市海月桥工程项目为例,介绍了桥梁冲击成孔灌注桩施工过程中溶洞的处理方法,对常规的冲击成孔灌注桩工艺的不足之处进行了分析,提出了一种回填黏土、块石的溶洞处理方法,以全面保证溶洞区域桥梁桩基的施工质量,以供参考。Taking Haiyue Bridge project in Haining City as an example, this paper introduces the treatment method of karst cave in the construction process of bridge impact hole filling pile, and analyzes the shortcomings of the conventional impact hole filling pile technology, and puts forward a treatment method of backfilling clay and block stone into karst cave, so as to guarantee the construction quality of bridge pile foundation in karst cave area, for reference.

关 键 词：桥梁 冲击成孔灌注桩 溶洞处理 

分 类 号：U443.154[建筑科学—桥梁与隧道工程] U445.551[交通运输工程—道路与铁道工程]