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 .
結郃張石高速公路石家莊段砂層地麪処理的施工實踐，對砂層地麪沖擊碾壓的原理、特性、工藝進行了論述。