混凝土桥梁的FRP_沥青混凝土桥面铺装结构.docx

doi: 10． 3969 / j． issn． 1674-0696． 2014． 04． 03混凝土桥梁的 FＲP-沥青混凝土桥面铺装结构崔学常1 ，张锡祥2 ，吴国松2( 1． 云南省保山市重点公路建设管理处，云南 保山 678000; 2． 重庆交通大学，重庆 400074)摘要: 介绍了一种用于混凝土桥梁的能使得桥道梁( 板) 长效防水实现、并可增强与铺装结构界面连接的纤维增强复合材料( FＲP) -沥青混凝土桥面铺装结构，该铺装结构的结构形式为 FＲP 铺装基层与常规沥青混凝土铺装面层的 组合铺装结构，其最显著的结构特点是铺装结构各层的刚度梯度变化趋于平缓，及铺装结构与桥道梁( 板) 的结构 整体性增强。进行了路用性能试验及实体工程应用。研究表明: 该铺装结构是使混凝土桥梁铺装结构和桥道梁 ( 板) 的结构耐久性均得以提高的铺装结构形式。关 键 词: 桥梁工程; 桥面铺装; 桥面防水; 界面连接; 纤维增强复合材料; 沥青混凝土; 结构耐久性中图分类号: U433． 33文献标志码: A文章编号: 1674-0696( 2014) 04-012-05FＲP-Asphalt Concrete Deck Pavement Structure for Concrete BridgeCui Xuechang1 ，Zhang Xixiang2 ，Wu Guosong2( 1． Yunnan Baoshan Management Department for Major Highway Construction，Baoshan 678000，Yunnan，China; 2． Chongqing Jiaotong University，Chongqing 400074，China)Abstract: FＲP-asphalt concrete deck pavement system used in concrete bridges was introduced，which could realize a per-sistent deck waterproofing for the beam ( of plate) in bridge span and reinforce the interface connection between the beam ( of plate) and the pavement system． The structure form of this novel pavement system was a kind of composite structure made up of FＲP floating course and routine asphalt concrete surface course，and the best significant structure character of the novel system was that the stiffness gradient variation of various layers in the system was inclined to be flat; the structural integration between the pavement system and the beam ( of plate) in bridge span could be reinforced． Based on the research of roadway performance test and engineering application of the system，the novel system is also proved to be an outstanding form used in concrete bridge to enhance structural durability both of pavement system and its beam ( or plate) ．Key words: bridge engineering;( FＲP) ; Asphalt Concrete ( AC) ;deck pavement; deck waterproofing; interface connection; Fiber Ｒeinforced Polymerstructural durability的桥梁，桥梁设计手册推荐采用 FＲP 类结构、功能引言0［2］兼备型防水材料。混凝土桥梁的