精品文档---下载后可任意编辑毕业设计：钢筋混凝土简支梁桥下部结构设计（一）毕业设计原始资料1. 道路等级：乡村道路； 2. 桥面横坡：设置 1.5％的人字坡；3. 横向布置：(防撞墙)+(车行道)+(防撞墙)，桥梁全宽.；4. 设计荷载：公路-Ⅱ 级；5. 桥面铺装：12cm 厚 C40 防水钢筋混凝土及涂 HM1500 防水剂； 6. 桥梁孔跨布置：本桥为上跨铁路而设，设 3-20m 预应力混凝土空心板梁，桥面连续;7. 桥梁线形：本桥位于直线上，与铁路正交；8. 地震基本烈度：8 度。地质情况详见：桥梁工程地质纵断面图。（二）、毕业设计的任务与内容1. 桥墩和基础的方案比选；2. 盖梁设计；3. 桥梁墩柱设计；4. 基础（钻孔灌注桩）设计；5. 施工组织设计；6. 设计图纸：桥梁总体布置图、盖梁配筋图、桥墩构造图、桥墩配筋图、基础构造图、基础配筋图。目录摘要······························································ⅠAbstract··························································Ⅱ前言······························································Ⅲ第一章 设计资料与方案比选··········································1·········································1设计标准及上部构造····································1水文地质条件·········································1材料·················································1下部结构比选··········································1桥梁下部构造尺寸······································3第二章 盖梁计算····················································32.1 荷载计算·················································...
