大跨径连续钢箱梁钢桥面铺装设计  

Design of Steel Deck Pavement of Long-span Continuous Steel Box Girder Bridges

作　　者：潘友强[1,2] 郭忠印[1] 

机构地区：[1]同济大学道路与交通工程教育部重点实验室,上海201804 [2]江苏省交通科学研究院股份有限公司,江苏南京211112

出　　处：《同济大学学报（自然科学版）》2013年第6期840-847,共8页Journal of Tongji University:Natural Science

基　　金：江苏省交通科技项目(09Y39)

摘　　要：采用三阶段力学分析方法对崇启大桥大跨径连续钢箱梁钢桥面铺装受力特点进行分析,结合崇启大桥的使用环境和国内钢桥面主要铺装类型的调研,推荐双层环氧沥青铺装作为崇启大桥的钢桥面铺装方案.针对崇启大桥大跨径连续钢箱梁桥面铺装的受力特点,进行了崇启大桥钢桥面铺装关键材料及性能、防水黏结层性能以及钢桥面铺装组合结构疲劳性能研究,同时从崇启大桥桥面铺装疲劳耐久性角度对富沥青环氧沥青混凝土进行了研究.结果表明:铺装下层采用富沥青环氧沥青混凝土能够更好地满足崇启大桥钢桥面铺装的性能要求.An analysis was made of the mechanical properties of the steel deck pavement on Chongqi Bridge with a three stage mechanical analysis method. Based on the mechanical analysis results and the research conclusion of some main steel deck pavement cases, a dual layer epoxy concrete steel deck pavement was designed. A research was also made into the the pavement key material and the waterproof layer and the composite structure performance. The pavement performance of the epoxy asphalt with rich-asphalt was investigated to improve the crack resistance of the steel deck pavement. The results show that the rich-asphalt epoxy asphalt mixture can satisfy the requirements of Chongqi Bridge deck pavement better than the common epoxy asphalt mixture.

关 键 词：连续钢箱梁 钢桥面铺装 三阶段力学分析 富沥青环氧沥青混凝土 组合结构性能 

分 类 号：U443.33[建筑科学—桥梁与隧道工程]