精选优质文档-倾情为你奉上预应力混凝土桥梁现状与发展Present situation and development of prestressed concrete bridge【摘要】本文按预应力混凝土桥梁常用的结构型式来说明预应力混凝土结构在桥梁上的应用与发展；分析了这些结构型式的优缺点以及发展趋势；同时还分析了影响其运用和发展的相关因素，以促进预应力混凝土桥梁的更进一步发展。【关键词】预应力混凝土 桥梁型式 运用与发展 结构【Abstract】The main body of the writing is that according to the prestressed concrete bridge common structure to explain the application and development on Prestressed concrete structure in bridge ;and analyzed advantages and disadvantages of these structure types
