抗裂型水稳碎石基层配合比设计及施工

Mix Proportion Design and Construction of Anti-crack Water-stable Gravel Base

通过水稳碎石基层裂缝原因分析,从材料选择、级配优化设计等方面着手,降低裂缝产生的条件;通过严密的施工组织、严格合理的施工措施,减小实施工艺与规范规定的工艺偏离,提高基层质量和抗裂性能,这是沪宁高速公路上海段扩建工程的成功经验。

The successful experiences of extension engineering of Shanghai-Nanjing expressway Shanghai section are, by analyzing the causes of water-stable gravel base eracking, to avoid the condition of crack＇s occurrence from the aspects of material selection, mix proportion optimum design and so on, adopting rigorous construction organization and rational construction measures to reduce the technical deflection between practical technique and the criterion and heighten the quality and anticrack performance of base.