桥梁下部结构设计——毕业设计

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1、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

2、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。50目录摘要······························································ⅠAbstract··························································Ⅱ前言·····················································

3、·········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.

4、1.4下部结构比选··········································11.1.5桥梁下部构造尺寸50······································3第二章盖梁计算····················································32.1荷载计算···················································32.1.1上部构造永久荷载表····································32.1.2盖

5、梁自重及作用效应计算·······························42.1.3可变荷载计算·········································52.1.4双柱反力Gi的计算····································122.2内力计算··················································122.2.1恒载加活载作用下的各截面内力························122.2.2盖梁内力汇总表···················

6、···················142.2.3盖梁各截面的配筋设计及承载力校核····················15第三章桥墩墩柱设计50···············································173.1荷载计算··················································173.1.1恒载计算············································173.1.2活载计算···································

7、·········173.1.3双柱反力横向分布计算································173.1.4荷载组合…··········································183.2截面配筋计算及应力验算····································193.2.1作用于墩柱顶的外力··································193.2.3截面配筋计算········································20第四章钻孔灌注桩计算···

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