摘要
文中结合广州市永泰跨线桥工程的施工实践,论述了桩基础溶洞根据溶洞深度、层次和填充物的类型采取不同的溶洞处理施工方法,并提出了钻进方法的选择和防止漏浆、塌孔、卡钻、斜钻等技术措施,施工效果检验良好。
In this paper, combinated with the construction experience of Yongtai overpass bridge in Guangzhou City,different construction methods of pile foundation for the treatment of karst cave are discussed according to depth,hierarchy and fills types of cave,in addition, drilling method and the techniques of leakage, snakes-in-hole, drill-pipe-sticking, sidetrack are suggested,after verified,the effect of construction is proved good.
出处
《广东交通职业技术学院学报》
2008年第1期39-41,44,共4页
Journal of Guangdong Communication Polytechnic
关键词
桩基础
溶洞处理
技术措施
pile foundation
treatment ofkarst cave
technique
