组合桥梁在西部大开发中的应用前景  

APPLICATION PROSPECT OF COMPOSITE BRIDGE IN THE FULL DEVELOPMENT OF WESTERN CHINA

作　　者：郑山锁[1] 杨勇[1] 俞茂宏[2] 

机构地区：[1]西安建筑科技大学土木工程学院,西安710055 [2]西安交通大学,西安710049

出　　处：《工业建筑》2002年第10期56-59,共4页Industrial Construction

基　　金：中国博士后科学基金资助项目 (项目编号 :2 0 0 15 )

摘　　要：在总结国外组合桥梁发展应用状况的基础上 ,阐述了组合桥梁这种传统而又新型的桥梁结构形式的性能和优势 ,重点介绍了现浇预应力组合桥梁和预制预应力组合桥梁的特点及施工方法 ,并结合西部大开发中大规模的道路和桥梁建设的宏观趋势 ,重点阐述了组合桥梁在西部大开发中的应用前景。总结了各种形式的组合桥梁的性能和优缺点 ,并对不同结构形式的桥梁从受力性能、经济效益等方面做了评估 。Based on the summing\|up of application of composite bridges in the western China,the advantages and performance of composite bridges are introduced,which emphasizes on the features and the construction methods of the prestressed concrete composite beam,which can be prefabricated in the factory and concreted in site.And in the view of the big tendency of the road and railway constructing in the Full Development of Western China,the application foreground of composite bridge is analyzed.The features and performances of several common kinds of composite bridges are summed\|up,and those composite bridges are evaluated in both economy and safety aspects.All these may be helpful to the dissemination and application of composite bridges in the Full Development of Western China.

关 键 词：组合桥梁 西部大开发 应用前景 预应力混凝土 

分 类 号：U442[建筑科学—桥梁与隧道工程]