GBT50621-2010······1

1 總則······13

2 術語和符號······14

2.1 術語······14

2.2 符號······15

3 基本規(guī)定······17

3.1 鋼緯構(gòu)檢測的分類······17

3.2 檢測工作程序與基本要求······17

3.3 無損檢測方法的選用······19

3.4 柚樣比例及合格判定······20

3.5 檢測設備和檢測人員······21

3.6 檢測報告······22

4 外觀質(zhì)量檢測······23

4.1 一般規(guī)定······23

4.2 輔助工具······23

4.3 外觀質(zhì)量······23

5 表面質(zhì)量的磁粉檢測······25

5.1 一般規(guī)定······25

5.2 設備與器材······25

5.3 檢測步驟······27

5.4 檢測結(jié)果的評價······28

6 表面質(zhì)量的滲透檢測······29

6.1 一般規(guī)定······29

6.2 試劑與器材······29

6.3 檢測步驟······30

6.4 檢測結(jié)果的評價······31

7 內(nèi)部缺陷的超聲波檢測······33

7.1 一般規(guī)定······33

7.2 設備與器材······34

7.3 檢測步驟······37

7.4 檢測結(jié)果的評價······40

8 高強度螺栓終擰扭矩檢測······42

8.1 一般規(guī)定······42

8.2 檢測設備······42

8.3 檢測技術······42

8.4 檢測結(jié)果的評價······43

9 變形檢測······44

9.1 一般規(guī)定······44

9.2 檢測設備······44

9.3 檢測技術······44

9.4 檢測結(jié)果的評價······45

10 鋼材厚度檢測······46

10.1 一般規(guī)定······46

lO.2 檢測設備······46

10.3 檢測步驟······46

10.4 檢測結(jié)果的評價······47

11 鋼材品種檢測······48

ll.1 一般規(guī)定······48

11.2 鋼材取樣與分析······48

ll.3 鋼材品種的判別······48

12 防腐涂層厚度檢測······50

12.1 一般規(guī)定······50

12.2 檢測設備······50

12.3 檢測步驟······50

12.4 檢測結(jié)果的評價······51

13 防火涂層厚度檢測······52

13.1 一般規(guī)定······52

13.2 檢測量具······53

13.3 檢測結(jié)果的評價······53

14 鋼結(jié)構(gòu)動力特性檢測······54

14.1 一般規(guī)定······54

14.2 檢測設各······54

14.3 檢測技術······54

14.4 檢測數(shù)鋸分析······55

附錄A 磁粉檢測記錄······56

附錄B 滲透檢測記錄······57

附錄C T形接頭、角接接頭的超聲波檢測······58

附錄D 超聲波檢測記錄······60

本標準用詞說明······61

引用標準名錄······62

附:條文說明······63

1 總則······68

2 術語和符號······70

2.1 術語······70

2.2 符號······70

3 基本規(guī)定······71

3.1 鋼緯構(gòu)檢測的分類······71

3.2 檢測工作程序與基本要求······71

3.3 無損檢測方法的選用······72

3.4 柚樣比例及合格判定······73

3.5 檢測設備和檢測人員······74

4 外觀質(zhì)量檢測······75

4.1 一般規(guī)定······75

4.2 輔助工具······75

5 表面質(zhì)量的磁粉檢測······73

5.1 一般規(guī)定······76

5.2 設備與器材······76

5.3 檢測步驟······78

5.4 檢測結(jié)果的評價······79

6 表面質(zhì)量的滲透檢測······80

6.1 一般規(guī)定······80

6.2 試劑與器材······80

6.3 檢測步驟······81

6.4 檢測結(jié)果的評價······81

7 內(nèi)部缺陷的超聲波檢測······82

7.1 一般規(guī)定······82

7.2 設備與器材······82

7.3 檢測步驟······82

7.4 檢測結(jié)果的評價······83

8 高強度螺栓終擰扭矩檢測······85

8.1 一般規(guī)定······85

8.2 檢測設備······86

8.3 檢測技術······86

9 變形檢測······88

9.1 一般規(guī)定······88

9.2 檢測設備······88

9.3 檢測技術······88

9.4 檢測結(jié)果的評價······89

10 鋼材厚度檢測······90

10.1 一般規(guī)定······90

lO.2 檢測設備······90

10.3 檢測步驟······90

11 鋼材品種檢測······91

ll.1 一般規(guī)定······91

11.2 鋼材取樣與分析······91

ll.3 鋼材品種的判別······92

12 防腐涂層厚度檢測······93

12.1 一般規(guī)定······93

12.2 檢測設備······93

12.3 檢測步驟······94

13 防火涂層厚度檢測······95

13.1 一般規(guī)定······95

13.2 檢測量具······95

13.3 檢測結(jié)果的評價······95

14 鋼結(jié)構(gòu)動力特性檢測······97

14.1 一般規(guī)定······97

14.2 檢測設各······97

14.3 檢測技術······97

14.4 檢測數(shù)鋸分析······99