内容简介
GY/T 65-2021 代替 GY 65—2010广播电视钢塔桅制造技术要求
Technical requirements of manufacturing steel tower and mast for radio and television
2021-08-19实施
2021-08-19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 ........................................................................ 2
4 总则 .............................................................................. 2
5 技术要求 .......................................................................... 2
5.1 技术文件 ...................................................................... 2
5.2 材料 .......................................................................... 2
5.3 放样和号料 .................................................................... 3
5.4 下料 .......................................................................... 4
5.5 矫正和成型 .................................................................... 5
5.6 边缘加工 ...................................................................... 8
5.7 制孔 .......................................................................... 9
5.8 制弯 ......................................................................... 11
5.9 钢管加工 ..................................................................... 12
5.10 装配 ........................................................................ 14
5.11 焊接 ........................................................................ 18
5.12 构件外形尺寸 ................................................................ 21
5.13 标识 ........................................................................ 23
5.14 预拼装 ...................................................................... 24
5.15 防腐蚀处理 .................................................................. 25
6 检验 ............................................................................. 25
6.1 检验项目 ..................................................................... 25
6.2 检验要求 ..................................................................... 25
6.3 检验方法 ..................................................................... 26
7 包装、运输、贮存和资料文件 ....................................................... 28
7.1 包装 ......................................................................... 28
7.2 运输 ......................................................................... 29
7.3 贮存 ......................................................................... 29
7.4 资料文件 ..................................................................... 29
8 安全和环境保护 ................................................................... 29
附录 A（规范性） 热浸锌锌层厚度测试 金属涂镀层测厚仪测试方法 .... 30
A.1 仪器校准 ..................................................................... 30
A.2 抽样测试 ..................................................................... 30
A.3 单位面积镀层镀覆量与镀层厚度之间的换算 ....................................... 30
附录 B（规范性） 涂层附着力性能测试 划格试验方法................................... 31
B.1 划格工具和切格尺寸要求 ....................................................... 31
B.2 试验步骤 ..................................................................... 31
B.3 测试结果 ..................................................................... 32