DB41_T 1847-2019 装配式混凝土箱梁桥设计与施工技术规范（河南）.pdf

ICS 93.040 P 28 DB 41 河南省 地方标准 DB 41/T 1847—2019 装配式混凝土箱梁桥设计与施工技术规范 2019 - 06 - 17发布 2019 - 09 - 17实施 河南省市场监督管理局 发布 l³SWw
W0e¹hQÆQlQqg R¡^sSð DB41/T 1847—2019 I 目 次 前言 ............................................................................... III 1 范围 ................................................................ .............. 1 2 规范性引用文件 ................................................................ .... 1 3 术语和定义 ................................................................ ........ 2 4 总则 ................................................................ .............. 3 5 材料 ................................................................ .............. 3 6 设计 ................................................................ .............. 6 7 构件预制 ......................................................................... 10 7.1 施工准备 ..................................................................... 10 7.2 模板 ......................................................................... 10 7.3 钢筋定位胎架 ................................................................. 11 7.4 钢筋加工与安装 ............................................................... 12 7.5 连接装置安装 ................................................................. 12 7.6 混凝土工程 ................................................................... 13 7.7 预应力混凝土工程 ............................................................. 14 7.8 凿毛 ......................................................................... 14 7.9 构件场内移运 ................................................................. 14 7.10 构件存放 .................................................................... 14 7.11 标识 ........................................................................ 14 7.12 质量合格证 .................................................................. 14 7.13 出厂检验 .................................................................... 15 8 构件运输和吊装 ................................................................... 18 8.1 准备工作 ..................................................................... 18 8.2 运输要求 ..................................................................... 18 8.3 吊装要求 ..................................................................... 18 9 构件安装施工 ..................................................................... 19 9.1 施工准备 ..................................................................... 19 9.2 预制混凝土组合箱梁安装 ....................................................... 19 9.3 预制混凝土节段箱梁安装 ....................................................... 20 9.4 盖梁安装 ........................