DB42/T 1745-2021 桥梁高强度螺栓连接安装技术指南
简介
DB42/T 1745-2021
桥梁高强度螺栓连接安装技术指南
Technical guidance for installation of high strength bolt connections of br idge
2021-11-01实施
2021-08-30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 基本规定............................................................................................................................................................. 3 4.1 一般规定..................................................................................................................................................... 3 4.2 订货、包装................................................................................................................................................. 3 4.3 进场复验..................................................................................................................................................... 3 4.4 储运管理..................................................................................................................................................... 4 5 构件的拼装要求................................................................................................................................................. 5 6 高强度螺栓连接副的安装.................................................................................................................................6 7 高强度螺栓连接副施拧工艺.............................................................................................................................7 7.1 一般规定..................................................................................................................................................... 7 7.2 施拧工具..................................................................................................................................................... 8 7.3 扭矩法施拧................................................................................................................................................. 8 7.4 扭角法施拧................................................................................................................................................. 9 7.5 栓焊混用连接接头高强度螺栓连接副施拧...........................................................................................10 8 质量检查........................................................................................................................................................... 10 8.1 一般规定................................................................................................................................................... 10 8.2 初拧与初拧检查.......................................................................................................................................10 8.3 终拧与终拧检查.......................................................................................................................................10 9 高强度螺栓连接接头的涂装...........................................................................................................................11 附录 A（资料性）高强度螺栓进货验收记录表................................................................................................13 附录 B（资料性）高强度螺栓连接副检验报告................................................................................................14 附录 C（资料性）电动扳手标定记录表............................................................................................................15 附录 D（资料性）高强度螺栓施拧记录表........................................................................................................16 附录 E（资料性）高强度螺栓终拧扭矩检查表................................................................................................17 附录 F（资料性）板面抗滑移系数试验报告....................................................................................................18 条文说明............................................................................................................................................................... 19
前 言
本文件按照GB/T 1.1-2020《标准化工作导则第1部分∶标准化文件的结构和起草规则》的规定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中铁大桥科学研究院有限公司提出。
本文件由湖北省交通运输厅归口。
DB42/T 1745-2021
桥梁高强度螺栓连接安装技术指南
Technical guidance for installation of high strength bolt connections of br idge
2021-11-01实施
2021-08-30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 基本规定............................................................................................................................................................. 3 4.1 一般规定..................................................................................................................................................... 3 4.2 订货、包装................................................................................................................................................. 3 4.3 进场复验..................................................................................................................................................... 3 4.4 储运管理..................................................................................................................................................... 4 5 构件的拼装要求................................................................................................................................................. 5 6 高强度螺栓连接副的安装.................................................................................................................................6 7 高强度螺栓连接副施拧工艺.............................................................................................................................7 7.1 一般规定..................................................................................................................................................... 7 7.2 施拧工具..................................................................................................................................................... 8 7.3 扭矩法施拧................................................................................................................................................. 8 7.4 扭角法施拧................................................................................................................................................. 9 7.5 栓焊混用连接接头高强度螺栓连接副施拧...........................................................................................10 8 质量检查........................................................................................................................................................... 10 8.1 一般规定................................................................................................................................................... 10 8.2 初拧与初拧检查.......................................................................................................................................10 8.3 终拧与终拧检查.......................................................................................................................................10 9 高强度螺栓连接接头的涂装...........................................................................................................................11 附录 A（资料性）高强度螺栓进货验收记录表................................................................................................13 附录 B（资料性）高强度螺栓连接副检验报告................................................................................................14 附录 C（资料性）电动扳手标定记录表............................................................................................................15 附录 D（资料性）高强度螺栓施拧记录表........................................................................................................16 附录 E（资料性）高强度螺栓终拧扭矩检查表................................................................................................17 附录 F（资料性）板面抗滑移系数试验报告....................................................................................................18 条文说明............................................................................................................................................................... 19
前 言
本文件按照GB/T 1.1-2020《标准化工作导则第1部分∶标准化文件的结构和起草规则》的规定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中铁大桥科学研究院有限公司提出。
本文件由湖北省交通运输厅归口。
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