GB-T51422-2021······1
1 总则······14
2 术语和符号······15
2.1 术语······15
2.2 符号······16
3 基本规定······18
3.1 一般规定······18
3.2 鉴定程序及工作内容······18
3.3 鉴定评级标准······21
3.4 加固与改造要求······24
4 现场调查和检查······26
4.1 资料调查······26
4.2 使用荷载调查······26
4.3 现状检查······26
5 检测······28
5.1 一般规定······28
5.2 检测方法和抽样方案······30
5.3 材料检验······31
5.4 抗风揭静态检测······32
5.5 抗风揭动态检测······32
5.6 水密性能检测······32
5.7 气密性能检测······33
5.8 热工性能检测······33
5.9 隔声性能检测······34
5.10 抗踩踏性能检测······35
5.11 检测作业安全······35
6 计算分析与校核······37
6.1 一般规定······37
6.2 鉴定计算和校核······37
6.3 加固设计计算······38
7 部件鉴定评级······42
7.1 一般规定······42
7.2 部件安全性鉴定评级······43
7.3 部件使用性鉴定评级······44
8 鉴定单元鉴定评级······47
8.1 鉴定单元安全性鉴定评级······47
8.2 鉴定单元使用性鉴定评级······47
8.3 鉴定单元可靠性鉴定评级······48
9 加固与改造······49
9.1 一般规定······49
9.2 檩条与墙梁加固······51
9.3 连接加固······51
9.4 金属板加固······52
9.5 节能改造······52
9.6 隔声改造······53
9.7 防水改造······53
9.8 防雷改造······54
10 检测与鉴定报告编写要求······55
10.1 检测报告······55
10.2 鉴定报告······55
附录A 抗风揭静态压力检测方法······57
附录B 抗风揭动态风荷载检测方法······59
咐录C 屋面系统水密性能检测方法······63
附录D 屋面系统气密性能检测方法······66
附录E 金属板现场抗拉拔检测方法······69
附录F 监测······72
本标准用词说明······73
引用标准名录······74
附：条文说明······75
1 总则······79
2 术语和符号······81
2.1 术语······81
2.2 符号······81
3 基本规定······82
3.1 一般规定······82
3.2 鉴定程序及其工作内容······83
3.3 鉴定评级标准······84
3.4 加固与改造要求······84
4 现场调查和检查······86
4.1 资料调查······86
4.2 使用荷载调查······86
4.3 现状检查······86
5 检测······88
5.4 抗风揭静态检测······88
5.5 抗风揭动态检测······88
5.6 水密性能检测······89
5.7 气密性能检测······89
5.9 隔声性能检测······90
5.10 抗踩踏性能检测······90
6 计算分析与校核······91
6.1 一般规定······91
6.2 鉴定计算和校核······92
6.3 加固设计计算······92
9 加固与改造······94
9.1 一般规定······94
9.2 檩条与墙梁加固······95
9.3 连接加周······96
9.4 金属板加固······96
9.5 节能改造······96
9.6 隔声改造······97
9.7 防水改造······98
附录A 抗风揭静态压力检测方法······99
附录B 抗风揭动态风荷载检测方法······100
附录C 屋面系统水密性能检测方法······101
附录D 屋面系统气密性能检测方法······103
