GBT50621-2010······1
1 总则······13
2 术语和符号······14
2.1 术语······14
2.2 符号······15
3 基本规定······17
3.1 钢纬构检测的分类······17
3.2 检测工作程序与基本要求······17
3.3 无损检测方法的选用······19
3.4 柚样比例及合格判定······20
3.5 检测设备和检测人员······21
3.6 检测报告······22
4 外观质量检测······23
4.1 一般规定······23
4.2 辅助工具······23
4.3 外观质量······23
5 表面质量的磁粉检测······25
5.1 一般规定······25
5.2 设备与器材······25
5.3 检测步骤······27
5.4 检测结果的评价······28
6 表面质量的渗透检测······29
6.1 一般规定······29
6.2 试剂与器材······29
6.3 检测步骤······30
6.4 检测结果的评价······31
7 内部缺陷的超声波检测······33
7.1 一般规定······33
7.2 设备与器材······34
7.3 检测步骤······37
7.4 检测结果的评价······40
8 高强度螺栓终拧扭矩检测······42
8.1 一般规定······42
8.2 检测设备······42
8.3 检测技术······42
8.4 检测结果的评价······43
9 变形检测······44
9.1 一般规定······44
9.2 检测设备······44
9.3 检测技术······44
9.4 检测结果的评价······45
10 钢材厚度检测······46
10.1 一般规定······46
lO.2 检测设备······46
10.3 检测步骤······46
10.4 检测结果的评价······47
11 钢材品种检测······48
ll.1 一般规定······48
11.2 钢材取样与分析······48
ll.3 钢材品种的判别······48
12 防腐涂层厚度检测······50
12.1 一般规定······50
12.2 检测设备······50
12.3 检测步骤······50
12.4 检测结果的评价······51
13 防火涂层厚度检测······52
13.1 一般规定······52
13.2 检测量具······53
13.3 检测结果的评价······53
14 钢结构动力特性检测······54
14.1 一般规定······54
14.2 检测设各······54
14.3 检测技术······54
14.4 检测数锯分析······55
附录A 磁粉检测记录······56
附录B 渗透检测记录······57
附录C T形接头、角接接头的超声波检测······58
附录D 超声波检测记录······60
本标准用词说明······61
引用标准名录······62
附:条文说明······63
1 总则······68
2 术语和符号······70
2.1 术语······70
2.2 符号······70
3 基本规定······71
3.1 钢纬构检测的分类······71
3.2 检测工作程序与基本要求······71
3.3 无损检测方法的选用······72
3.4 柚样比例及合格判定······73
3.5 检测设备和检测人员······74
4 外观质量检测······75
4.1 一般规定······75
4.2 辅助工具······75
5 表面质量的磁粉检测······73
5.1 一般规定······76
5.2 设备与器材······76
5.3 检测步骤······78
5.4 检测结果的评价······79
6 表面质量的渗透检测······80
6.1 一般规定······80
6.2 试剂与器材······80
6.3 检测步骤······81
6.4 检测结果的评价······81
7 内部缺陷的超声波检测······82
7.1 一般规定······82
7.2 设备与器材······82
7.3 检测步骤······82
7.4 检测结果的评价······83
8 高强度螺栓终拧扭矩检测······85
8.1 一般规定······85
8.2 检测设备······86
8.3 检测技术······86
9 变形检测······88
9.1 一般规定······88
9.2 检测设备······88
9.3 检测技术······88
9.4 检测结果的评价······89
10 钢材厚度检测······90
10.1 一般规定······90
lO.2 检测设备······90
10.3 检测步骤······90
11 钢材品种检测······91
ll.1 一般规定······91
11.2 钢材取样与分析······91
ll.3 钢材品种的判别······92
12 防腐涂层厚度检测······93
12.1 一般规定······93
12.2 检测设备······93
12.3 检测步骤······94
13 防火涂层厚度检测······95
13.1 一般规定······95
13.2 检测量具······95
13.3 检测结果的评价······95
14 钢结构动力特性检测······97
14.1 一般规定······97
14.2 检测设各······97
14.3 检测技术······97
14.4 检测数锯分析······99
