建筑工程系道路桥梁工程技术专业毕业设计: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:0.5m(防撞墙)+7.5m(车行道)+0.5m(防撞墙),桥梁全宽 8.5m.;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 ··········································11.1设计资料与方案必选 ·········································11.1.1设计标准及上部构造 ····································11.1.2水文地质条件 ·········································11.1.3材料 ·················································11.1.4下部结构比选 ··········································11.1.5桥梁下部构造尺寸 ······································3第二章 盖梁计算 ····················································32.1 荷载计算 ····...