GB-T51422-2021······1

1 總則······14

2 術(shù)語和符號(hào)······15

2.1 術(shù)語······15

2.2 符號(hào)······16

3 基本規(guī)定······18

3.1 一般規(guī)定······18

3.2 鑒定程序及工作內(nèi)容······18

3.3 鑒定評(píng)級(jí)標(biāo)準(zhǔn)······21

3.4 加固與改造要求······24

4 現(xiàn)場調(diào)查和檢查······26

4.1 資料調(diào)查······26

4.2 使用荷載調(diào)查······26

4.3 現(xiàn)狀檢查······26

5 檢測······28

5.1 一般規(guī)定······28

5.2 檢測方法和抽樣方案······30

5.3 材料檢驗(yàn)······31

5.4 抗風(fēng)揭靜態(tài)檢測······32

5.5 抗風(fēng)揭動(dòng)態(tài)檢測······32

5.6 水密性能檢測······32

5.7 氣密性能檢測······33

5.8 熱工性能檢測······33

5.9 隔聲性能檢測······34

5.10 抗踩踏性能檢測······35

5.11 檢測作業(yè)安全······35

6 計(jì)算分析與校核······37

6.1 一般規(guī)定······37

6.2 鑒定計(jì)算和校核······37

6.3 加固設(shè)計(jì)計(jì)算······38

7 部件鑒定評(píng)級(jí)······42

7.1 一般規(guī)定······42

7.2 部件安全性鑒定評(píng)級(jí)······43

7.3 部件使用性鑒定評(píng)級(jí)······44

8 鑒定單元鑒定評(píng)級(jí)······47

8.1 鑒定單元安全性鑒定評(píng)級(jí)······47

8.2 鑒定單元使用性鑒定評(píng)級(jí)······47

8.3 鑒定單元可靠性鑒定評(píng)級(jí)······48

9 加固與改造······49

9.1 一般規(guī)定······49

9.2 檁條與墻梁加固······51

9.3 連接加固······51

9.4 金屬板加固······52

9.5 節(jié)能改造······52

9.6 隔聲改造······53

9.7 防水改造······53

9.8 防雷改造······54

10 檢測與鑒定報(bào)告編寫要求······55

10.1 檢測報(bào)告······55

10.2 鑒定報(bào)告······55

附錄A 抗風(fēng)揭靜態(tài)壓力檢測方法······57

附錄B 抗風(fēng)揭動(dòng)態(tài)風(fēng)荷載檢測方法······59

咐錄C 屋面系統(tǒng)水密性能檢測方法······63

附錄D 屋面系統(tǒng)氣密性能檢測方法······66

附錄E 金屬板現(xiàn)場抗拉拔檢測方法······69

附錄F 監(jiān)測······72

本標(biāo)準(zhǔn)用詞說明······73

引用標(biāo)準(zhǔn)名錄······74

附：條文說明······75

1 總則······79

2 術(shù)語和符號(hào)······81

2.1 術(shù)語······81

2.2 符號(hào)······81

3 基本規(guī)定······82

3.1 一般規(guī)定······82

3.2 鑒定程序及其工作內(nèi)容······83

3.3 鑒定評(píng)級(jí)標(biāo)準(zhǔn)······84

3.4 加固與改造要求······84

4 現(xiàn)場調(diào)查和檢查······86

4.1 資料調(diào)查······86

4.2 使用荷載調(diào)查······86

4.3 現(xiàn)狀檢查······86

5 檢測······88

5.4 抗風(fēng)揭靜態(tài)檢測······88

5.5 抗風(fēng)揭動(dòng)態(tài)檢測······88

5.6 水密性能檢測······89

5.7 氣密性能檢測······89

5.9 隔聲性能檢測······90

5.10 抗踩踏性能檢測······90

6 計(jì)算分析與校核······91

6.1 一般規(guī)定······91

6.2 鑒定計(jì)算和校核······92

6.3 加固設(shè)計(jì)計(jì)算······92

9 加固與改造······94

9.1 一般規(guī)定······94

9.2 檁條與墻梁加固······95

9.3 連接加周······96

9.4 金屬板加固······96

9.5 節(jié)能改造······96

9.6 隔聲改造······97

9.7 防水改造······98

附錄A 抗風(fēng)揭靜態(tài)壓力檢測方法······99

附錄B 抗風(fēng)揭動(dòng)態(tài)風(fēng)荷載檢測方法······100

附錄C 屋面系統(tǒng)水密性能檢測方法······101

附錄D 屋面系統(tǒng)氣密性能檢測方法······103