2、m,边板宽1.88m。下部结构选用了双柱式桥墩和刚性扩大基础。 关键词:预应力空心板,双柱式桥墩,施工组织abricated simply supported prestressed concrete slab bridgeABSTRACT The design of the bridge crossing T River includes computation and drawings. Computational part is divided into alternative pro
3、gram selection, the calculation of the superstructure, the calculation of substructure and a part of construction management plan. Drawing part consist of three views of alternative program selection, the superstructure’s structural map, the substructure
4、’s structural map and the overall layout of the bridge. The length of T River Bridge is 140m, with 7-span of 20m standard-span prestressed hollow slab. The superstructure is a form of continuous deck but simply supported system with prestressed fabric
5、ated hollow slab. The layout of cross-sectional of the bridge across the board is separated standard two-way four-lane highway. This article will just design half frame of it. Its width is 11.25m, and consists of two sides board and six internal board, t
6、he width sides board is 1.25 m, and the width of internal board is 1.88m. The substructure selects two-column pier and the rigid spreaded foundation. Keywords:prestressed hollow slab, two-column pier, the construction management plan第一章、文献综述31.1、引言3