![DB34/T 3445-2019 全体外预应力节段拼装混凝土桥梁设计与施工指南](https://pic.duodown.com/61/30/75/61307589.png)
DB34/T 3445-2019
全体外预应力节段拼装混凝土桥梁设计与施工指南
The Guide for Design and Construction of Segmental Assembled Concrete Bridges with Full External Tendons
2019-12-04实施
2019-11-04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 混凝土 ........................................................................ 3
4.2 钢筋 .......................................................................... 3
4.3 预应力筋 ...................................................................... 4
4.4 接缝连接材料 .................................................................. 4
5 设计 .............................................................................. 5
5.1 一般规定 ...................................................................... 5
5.2 总体设计 ...................................................................... 6
5.3 构造设计 ...................................................................... 6
5.4 体外预应力体系设计 ............................................................ 9
5.5 设计计算 ..................................................................... 11
5.6 抗震设计 ..................................................................... 17
6 节段预制 ......................................................................... 18
6.1 预制场 ....................................................................... 18
6.2 模板工程 ..................................................................... 19
6.3 钢筋工程 ..................................................................... 19
6.4 节段梁预制与养生 ............................................................. 20
6.5 构件标识与存放 ............................................................... 20
6.6 质量检查与质量标准 ........................................................... 20
7 节段拼装 ......................................................................... 21
7.1 节段出厂与运输 ............................................................... 21
7.2 节段拼装 ..................................................................... 22
7.3 湿接缝施工 ................................................................... 23
7.4 体外预应力安装与张拉 ......................................................... 23
7.5 清理修整 ..................................................................... 23
7.6 质量检查与质量标准 ........................................................... 23
8 测量与施工控制 ................................................................... 24
8.1 一般规定 ..................................................................... 24
8.2 预制施工测量 ................................................................. 24
8.3 拼装施工测量 ................................................................. 26
8.4 施工控制 ...................................................................... 26
前 言
本标准按照 GB/T 1.1—2009 给出的规则起草。
本标准提出单位:安徽省交通控股集团有限公司。
本标准归口单位:安徽省交通运输厅。