摘要
针对岩溶地区高速公路桥梁端承桩持力层存在缺陷的情况,采用高压注浆方案进行补强处理,并对桥梁桩底补强处理设计、注浆施工方法、施工工艺进行阐述。
Aiming at the defective bearing layer of expressway bridge pile in karst area,this paper chooses high pressure grouting method to reiforce it. At the same time,it explains the design of reinforcement for the bottom of bridge pile,the construction method of grouting and the construction process.
作者
王同卫
邓煜
WANG Tong-wei;DENG Yu(Shandong Provincial Communication Planning andDesign Institute,Shandong Jinan 250031 China)
关键词
岩溶
高速公路
端承桩
持力层
高压注浆
施工工艺
rock dissolve;expressway;end bearing pile;bearin layer;high pressure grouting;construction technology