DB41/T 1678-2018 空心板桥横向预应力加固技术规程
简介
DB41/T 1678-2018
空心板桥横向预应力加固技术规程
2018-12-29实施
2018-09-29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 总则 .............................................................................. 2 5 材料 .............................................................................. 2 5.1 混凝土 ........................................................................ 2 5.2 钢材 .......................................................................... 2 5.3 其他 .......................................................................... 2 6 加固设计 .......................................................................... 3 6.1 一般规定 ...................................................................... 3 6.2 横向预应力筋布置 .............................................................. 3 6.3 横向预应力设计 ................................................................ 3 6.4 锚固块设计 .................................................................... 3 7 构造与防腐 ........................................................................ 4 7.1 锚固构造 ...................................................................... 4 7.2 防腐 .......................................................................... 5 8 施工工艺 .......................................................................... 5 8.1 施工准备 ...................................................................... 5 8.2 铰缝处理 ...................................................................... 5 8.3 锚固块安装 .................................................................... 5 8.4 预应力筋安装 .................................................................. 5 8.5 预应力筋张拉 .................................................................. 5 9 验收与养护 ........................................................................5 本标准按照 GB/T 1.1—2009 规则起草。 本标准由河南省交通运输厅提出并归口。
DB41/T 1678-2018
空心板桥横向预应力加固技术规程
2018-12-29实施
2018-09-29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 总则 .............................................................................. 2 5 材料 .............................................................................. 2 5.1 混凝土 ........................................................................ 2 5.2 钢材 .......................................................................... 2 5.3 其他 .......................................................................... 2 6 加固设计 .......................................................................... 3 6.1 一般规定 ...................................................................... 3 6.2 横向预应力筋布置 .............................................................. 3 6.3 横向预应力设计 ................................................................ 3 6.4 锚固块设计 .................................................................... 3 7 构造与防腐 ........................................................................ 4 7.1 锚固构造 ...................................................................... 4 7.2 防腐 .......................................................................... 5 8 施工工艺 .......................................................................... 5 8.1 施工准备 ...................................................................... 5 8.2 铰缝处理 ...................................................................... 5 8.3 锚固块安装 .................................................................... 5 8.4 预应力筋安装 .................................................................. 5 8.5 预应力筋张拉 .................................................................. 5 9 验收与养护 ........................................................................5 本标准按照 GB/T 1.1—2009 规则起草。 本标准由河南省交通运输厅提出并归口。
推荐下载
精品资源合集一键下载