土木工程毕业的设计——预应力简支空心板桥梁.doc

新宇大桥设计 学 院：建筑工程学院 专 业 班 级： 学 号：学 生 姓 名：指 导 教 师： 2013 年 6 月是级公路上的一座桥梁，单跨米，此设计分为上部结构设计和下部结构设计两大部分。上部结构设计中，首先确定桥的类型，构造的设计，梁板布置的选择和定位，本桥采用的是装配式预应力混凝土简支空心板梁桥，其次根据已定的结构设计和计算配筋。其中包括截面尺寸，计算简图的确定，计算方法，荷载计算，内力计算并绘制内力图，影响线下部结构设计中，确定为，进行了基础的验算，满足了设计要求。最后使用CAD制图将所设计的构造和配筋进行施工说明。关键词： Abstract Bridge is a road traffic in the important part. Economically, the cost of bridges and culverts, roads generally accounted for an average total cost of 10% -20%, especially in the modern highway and the city in the construction of viaducts, bridges not only on the size of the project is huge, but also is often the key to ensure that the opening line of the early Universe Bridge is through three specific programs meet the elected election, economy, structure size, structure, construction, aesthetic requirements to make several options, and finally through the technical, economic and other aspects of the comprehensive comparative optimal design is a secondary road on a simply supported prestressed hollow slab bridge, a single span of 15 meters, hollow section can not only reduce weight but also make good use of materials This design is divided into upper and lower structural design structural design of two parts. Superstructure design, first determine the type of bridge, structural design, the choice of slab layout and positioning, the bridge uses a prefabricated prestressed concrete hollow slab bridge, followed by the structure has been set according to the design and calculation of the assigned tendons. Including cross-sectional dimension, calculation diagram to determine, calculation method, load calculation, force calculation and draw force diagram, affecting lines. Some structural requirements for checking a series of classes to determine the feasibility of the structure, if the calculation failed to redesign Substructure design, identified as gravity piers, pier caps and carried out the design of pier, there were basic checking, to meet the design requirements. Finally d