1、延安市延河阳山大桥工程设计延安市延河阳山大桥工程设计 摘摘 要要 本设计根据延安市延河阳山大桥工程设计和相关规范的要求，结合所学桥 梁相关专业知识，经相关考察和方案比选后，全桥按四跨一联预应力混凝 土变截面连续梁桥设计，桥梁采用一个分离式单箱单室箱形梁，使用悬臂 浇筑法施工。 在设计中对桥梁工程上部尺寸做出拟定，并对恒载、活载等荷载进行 了内力组合，分析出各截面特性，并进行了预应力筋的计算和布置，对这 些计算都做出了相关的验算及变形计算，最后对桥墩进行了设计，以及对 施工方法进行了说明，其中部分计算利用了计算机相关程序计算，同时还 附加了部分图纸的绘制。 桥梁设计需要考虑各个方面的因素，其中包
2、括桥址的选择，桥台的选 择要根据当地的地质地形、地貌、气象、水文条件、工程地质以及周围环 境等因素考虑，除此之外，任何一个设计都要考虑的问题怎样将经济、适 用、美观三者都融于设计之中。 这个设计具体部分展示了毕业设计的选题、内容设计、迈达斯计算、 和部分 CAD 绘图，以及施工说明和参考文献等内容，希望能达到本次设 计的相关要求。 关键词：预应力混凝土，连续梁桥，箱梁，内力组合，配筋设计，截 面验算，悬臂浇筑法。 论文类型：设计型 2 Yanchang Oilfield Petroleum Bridge Design Abstract In accordance with the design
3、 on the Yanchang Oilfield petroleum Bridge Design requirements and related regulatory requirements combined with the bridge-related expertise and programs as related as study selection, the full-bridge according to a joint cross-four priestesss concrete Continuous bridge with variable cross-section
4、design, bridge using a single-room box, the use of cantilever construction pouring. In the design of the bridge project to make the upper part of the development dimension, and the dead load, live load and other loads to a combination of internal forces, analysis of the section properties, and carri
5、ed out the calculation of prestressing tendons and placement of these calculations are made checking and deformation associated with the last of the pier has been designed, and methods of construction are described, in which part of the calculation procedures using the computer calculations, and als
6、o added some of the drawings. Bridge design needs to consider various factors, including the bridge site of choice, the choice of abutment according to the local topography, geomorphology, meteorology, hydrology, engineering geology and the surrounding environment and other factors to consider, in addition, any design must consider how the economy for, all of which are beautiful and into the design. This section presents the design of specific topics of graduation design, content, design, calc
