sand-seam ground-surface

Connecting with the construction practice of the treatment of sand-seam ground surface in the Shijiazhuang Section of Zhangshi Superhighway, this paper expounds the principles, features and techniques of the impact-rolling method for sand-seam ground-surface .
结合张石高速公路石家庄段砂层地面处理的施工实践，对砂层地面冲击碾压的原理、特性、工艺进行了论述。