有地下采空层的岩石地区钻孔灌注桩成桩工法

Completed pile working method of bore hole filling pile in the rock area with under-earth mined out layer

笔者以神延铁路W8标段多座桥梁工程实践为基础 ,系统介绍了有地下采空层的岩石地区钻孔灌注桩施工的方法 .

The paper is based on the working particle for several bridges in the construction of W8 section of Sheng yan Railway project.It systematicaly instructs the construction method of bore hole filling pile in the rock area with under earth mined out layer.