海湾大桥北引道沥青混凝土罩面设计

Design Study of Asphalt Concrete Overlay in North Approach of Haiwan Bridge

结合广东省汕汾高速公路汕头海湾大桥北引道路面加铺工程,分析软基路段过渡性路面的病害,提出沥青混凝土路面罩面结构设计和施工中须注意的问题。

According to the asphalt concrete covering surface proiect in North Approach of Shantou Haiwan Large Bridge for the Shanfen Expressway in Guangdong Province, different degree of the dis- ease that was produced by the transitional pavement of the soft base sections in North Approach of Shantou Haiwan Large Bridge finished in 1997 are investigated and analyzed, and the questions to be noted for the design and construction of the covering structures for the asphaltic concrete pavement are presented. The practices have proved that these covering structures are effective.