阐述了重庆长江鹅公岩大桥钢桥面铺装的气候特点和使用条件 ,并针对这些特点 ,介绍了钢桥面铺装的设计要点及铺装结构 ,以及双层式 SMA混合料设计的性能要求 ,最后简要说明了引道桥桥面铺装结构的设计。 The climatic characteristics and service conditions of the steel deck surfacing of the Egongyan bridge in Chongqing are described. According to these characteristics, the design points and the pavement structure of the steel deck pavement are introduced, and the performance of the double-deck SMA mix design Requirements, at the end of a brief description of the lead bridge deck deck pavement structure design.