8乘30m预应力简支T梁毕业设计

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1、 20152015 届毕业生毕业论文（设计）届毕业生毕业论文（设计） 题目： 威青高速佛东夼高架桥830m 装 配式钢筋混凝土简支 T 梁施工图设计 院(系)别 交通土建工程学院 专 业 土木工程 班 级 土木 114 学 号 姓 名 指导教师 2015 年 6 月 摘 要 桥是跨越障碍的通道，随着我国城市建设和高等级公路、道路建设的发展，桥梁的 大规模建设已逐步形成。由于施工简单、跨越幅度大使得预应力混凝土简支 T 型梁桥在 我国得到充分的运用。 本毕业设计为预应力混凝土简支 T 型梁桥设计，桥名为威青高速佛东夼高架桥，桥 位中心桩号为 K134+455。桥面净宽为 0.5m 护栏+11.7

2、5m+0.5m 护栏，设计荷载为公路 级。设计根据交通部现今最新规范的规定，对威青高速佛东夼高架桥进行方案比选和设 计。 文中主要阐述了该桥的设计和计算过程。文中首先对方案比选，确定采用预应力混 凝土简支 T 形梁桥，跨径布置为 830m，主梁为等截面 T 形梁，梁高为 1.75m。并针对 所选的预应力混凝土简支 T 形梁桥进行了详尽的截面设计、主梁作用效应计算、预应力 钢束布置及预应力损失计算，并进行了主梁截面承载力与预应力验算、主梁变形验算、 行车道板的计算以及主梁端部的局部承压验算等。 关键词：桥梁，设计，预应力混凝土，T 型简支梁桥 威青高速佛东夼高架桥830m 装配式钢筋混凝土简支

3、T 梁施工图设计 ABSTRACT Bridge across the channel is the obstacle, as Chinas city construction and high-grade road, road construction development, large-scale construction of the bridge has gradually formed. This makes the prestressed concrete simply-supported T bridge design in our country get make full

4、use of. The graduation design for prestressed concrete simply-supported T bridge design, the Bridges for weiqing fodongkuang river estuary bridge, the center for K134 + 455. Bridge banisters can meet for net0.5+11.75+0.5 , design load for highway level. According to the latest design nowadays norms,

5、 bridge to weiqing fodongkuang river estuary alternative schemes and design. This paper mainly expounds the design and calculation of bridge process. This paper first to the alternative schemes, sure to use of the prestressed concrete simply-supported T shape beam bridge, span arrangement for 8 30 m

6、, girders, t-shaped section for beam, the beam height is 1.75 m. And in the light of the selected prestressed concrete simply-supported T shape beam bridge for a detailed section design, girders effect calculation, prestressing tendons arrangement and the loss of prestress calculation, and the main girder section prestressed girder and bearing capacity of checking and calculating the deformation,