桥梁与隧道工程专业毕业设计模板.doc

桥梁与隧道工程专业毕业设计模板 南京工业大学本科生毕业设计（论文） 长江公路大桥引桥A6联单箱双室截面混凝土梁桥设计 摘要 连续梁桥是工程上广泛使用的一种桥型,它不但具有可靠的强度,刚度及抗裂性,而且具有行车舒适平稳,养护工作量小,设计及施工经验成熟的特点。根据现行规范以及任务书的要求，对长江公路大桥A6联进行了方案调整设计。本方案设计为九跨预应力混凝土连续梁桥，截面形式为单箱双室截面，纵向变截面；施工方式是满堂支架整体现浇。该设计首先进行恒载、活载及次满堂支架 预应力 I 摘要 Design for Changjiang river highway bridge A6 duplicate box double room section concrete girder bridge Abstract The continuous beam bridge is a kind of bridge type used widely on the project. It not only has a reliable strength, stiffness and cracking, but also has a smooth journey comfortable, conservation work on the design and construction experience of the characteristics of maturity. According to the existing norms and commitments demands, the Changjiang river highway bridge program adjustments A6 were designed. This is a nine-span continuous bridge, whose cross-section is two-compartment, and changing on the road direction, constructed by pouring on-site on full framing. The first design includes constant load, the live load and the calculation of the internal forces. On the basis of a load combination, we can draw moment and shear envelope map. Next, according to the short-term effect combination disposition prestressed reinforcement, and carries on the loss of prestress the computation. Finally, carries on the checking calculation to this continuous bridge, whether to satisfy the design requirements. The design made detailed calculation mainly for the superstructure, and rough for substructure Key Words: design；continuous bridge; full framing; prestress II 南京工业大学本科生毕业设计（论文） 目 录 摘要 ................................................................................................................................................ I Abstract ...................................................................................................................................... II 第一章 桥梁方案设计 .................................................................................................... 1 1.1 工程概况与背景 ...................