DB34/T 3676-2020 双主梁钢板组合梁桥设计与施工指南
简介
DB34/T 3676-2020
双主梁钢板组合梁桥设计与施工指南
Guide for Design and Construction of Steel-concrete Composite Bridge with Twin Girder
2020-09-03实施
2020-08-03发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 材料 .............................................................................. 3 4.1 一般规定 ...................................................................... 3 4.2 钢材 .......................................................................... 3 4.3 混凝土 ........................................................................ 3 4.4 钢筋及预应力筋 ................................................................ 4 5 结构设计 .......................................................................... 4 5.1 一般规定 ...................................................................... 4 5.2 总体布置 ...................................................................... 4 5.3 钢主梁 ........................................................................ 5 5.4 钢横梁 ........................................................................ 6 5.5 桥面板 ........................................................................ 6 5.6 桥墩 .......................................................................... 7 6 结构计算 .......................................................................... 7 6.1 一般规定 ...................................................................... 7 6.2 作用与作用组合 ................................................................ 7 6.3 计算模型 ...................................................................... 8 6.4 承载能力极限状态计算 .......................................................... 9 6.5 正常使用极限状态计算 ......................................................... 16 6.6 短暂工况应力计算 ............................................................. 17 7 构造要求 ......................................................................... 18 7.1 钢主梁 ....................................................................... 18 7.2 钢横梁 ....................................................................... 19 7.3 桥面板 ....................................................................... 20 7.4 连接件 ....................................................................... 21 7.5 桥面板湿接缝 ................................................................. 21 8 耐久性与可维护性设计 ............................................................. 22 8.1 钢梁耐久性设计 ............................................................... 22 8.2 桥面板耐久性设计 ............................................................. 23 8.3 钢混结合面耐久性设计 ......................................................... 23 8.4 桥面耐久性设计 ............................................................... 23 8.5 连接件耐久性设计 .............................................................. 23 8.6 钢梁的可维护性 ................................................................ 23 8.7 桥面板的可维护性 .............................................................. 24 9 加工与制造 ........................................................................ 24 9.1 钢梁制造 ...................................................................... 24 9.2 桥面板预制 .................................................................... 25 10 现场施工 ......................................................................... 26 10.1 一般规定 ..................................................................... 26 10.2 钢梁运输 ..................................................................... 26 10.3 钢梁安装 ..................................................................... 27 10.4 桥面板运输 ................................................................... 27 10.5 桥面板现场施工 ............................................................... 27 附录 A（资料性附录） 双主梁钢板组合梁设计流程........................................ 29 附录 B（资料性附录） 桥面板预制施工流程 ............................................. 30 附录 C（资料性附录） 架桥机架设钢梁安装工艺流程 ...................................... 31
DB34/T 3676-2020
双主梁钢板组合梁桥设计与施工指南
Guide for Design and Construction of Steel-concrete Composite Bridge with Twin Girder
2020-09-03实施
2020-08-03发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 材料 .............................................................................. 3 4.1 一般规定 ...................................................................... 3 4.2 钢材 .......................................................................... 3 4.3 混凝土 ........................................................................ 3 4.4 钢筋及预应力筋 ................................................................ 4 5 结构设计 .......................................................................... 4 5.1 一般规定 ...................................................................... 4 5.2 总体布置 ...................................................................... 4 5.3 钢主梁 ........................................................................ 5 5.4 钢横梁 ........................................................................ 6 5.5 桥面板 ........................................................................ 6 5.6 桥墩 .......................................................................... 7 6 结构计算 .......................................................................... 7 6.1 一般规定 ...................................................................... 7 6.2 作用与作用组合 ................................................................ 7 6.3 计算模型 ...................................................................... 8 6.4 承载能力极限状态计算 .......................................................... 9 6.5 正常使用极限状态计算 ......................................................... 16 6.6 短暂工况应力计算 ............................................................. 17 7 构造要求 ......................................................................... 18 7.1 钢主梁 ....................................................................... 18 7.2 钢横梁 ....................................................................... 19 7.3 桥面板 ....................................................................... 20 7.4 连接件 ....................................................................... 21 7.5 桥面板湿接缝 ................................................................. 21 8 耐久性与可维护性设计 ............................................................. 22 8.1 钢梁耐久性设计 ............................................................... 22 8.2 桥面板耐久性设计 ............................................................. 23 8.3 钢混结合面耐久性设计 ......................................................... 23 8.4 桥面耐久性设计 ............................................................... 23 8.5 连接件耐久性设计 .............................................................. 23 8.6 钢梁的可维护性 ................................................................ 23 8.7 桥面板的可维护性 .............................................................. 24 9 加工与制造 ........................................................................ 24 9.1 钢梁制造 ...................................................................... 24 9.2 桥面板预制 .................................................................... 25 10 现场施工 ......................................................................... 26 10.1 一般规定 ..................................................................... 26 10.2 钢梁运输 ..................................................................... 26 10.3 钢梁安装 ..................................................................... 27 10.4 桥面板运输 ................................................................... 27 10.5 桥面板现场施工 ............................................................... 27 附录 A（资料性附录） 双主梁钢板组合梁设计流程........................................ 29 附录 B（资料性附录） 桥面板预制施工流程 ............................................. 30 附录 C（资料性附录） 架桥机架设钢梁安装工艺流程 ...................................... 31
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