JGJT152-2019······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······12

3 基本規(guī)定······14

4 混凝土保護(hù)層厚度和鋼筋間距檢測······15

4.1 一般規(guī)定······15

4.2 抽樣規(guī)定······15

4.3 儀器性能要求······15

4.4 電磁感應(yīng)法······16

4.5 雷達(dá)法······17

4.6 直接法······18

4.7 檢測數(shù)據(jù)處理及結(jié)果評(píng)定······19

5 鋼筋公稱直徑檢測······21

5.1 一般規(guī)定······21

5.2 抽樣規(guī)定······21

5.3 取樣稱量法······21

5.4 直接法······23

5.5 檢測結(jié)果評(píng)定······24

6 鋼筋力學(xué)性能檢測······25

6.1 一般規(guī)定······25

6.2 抽樣規(guī)定······25

6.3 檢測結(jié)果評(píng)定······26

7 鋼筋銹蝕性狀檢測······27

7.1 一般規(guī)定······27

7.2 儀器性能要求及維護(hù)······27

7.3 半電池電位法······28

7.4 檢測結(jié)果評(píng)判······30

8 鋼筋銹蝕性狀監(jiān)測······32

8.1 一般規(guī)定······32

8.2 儀器性能要求······32

8.3 鋼筋銹蝕動(dòng)態(tài)監(jiān)測技術(shù)······33

9 基樁鋼筋籠長度檢測······35

9.1 一般規(guī)定······35

9.2 設(shè)備要求······35

9.3 磁測井法······35

9.4 檢測數(shù)據(jù)處理······36

附錄A 電磁感應(yīng)法鋼筋探測儀的校準(zhǔn)方法······38

附錄B 雷達(dá)儀校準(zhǔn)方法······40

附錄C 混凝土電阻率檢測······42

本標(biāo)準(zhǔn)用詞說明······44

引用標(biāo)準(zhǔn)名錄······45

附: 條文說明······47

1 總則······50

3 基本規(guī)定······51

4 混凝土保護(hù)層厚度和鋼筋間距檢測······52

4.1 一般規(guī)定······52

4.3 儀器性能要求······52

4.4 電磁感應(yīng)法······53

4.5 雷達(dá)法······54

5 鋼筋公稱直徑檢測······55

5.2 抽樣規(guī)定······55

5.3 取樣稱量法······55

5.5 檢測結(jié)果評(píng)定······55

6 鋼筋力學(xué)性能檢測······56

6.1 一般規(guī)定······56

6.2 抽樣規(guī)定······56

6.3 檢測結(jié)果評(píng)定······56

7 鋼筋銹蝕性狀檢測······57

7.1 一般規(guī)定······57

7.2 儀器性能要求及維護(hù)······57

7.3 半電池電位法······58

7.4 檢測結(jié)果評(píng)判······58

8 鋼筋銹蝕性狀監(jiān)測······59

8.1 一般規(guī)定······59

8.2 儀器性能要求······59

8.3 鋼筋銹蝕動(dòng)態(tài)監(jiān)測技術(shù)······59

9 基樁鋼筋籠長度檢測······63

9.1 一般規(guī)定······63

9.3 磁測井法······63

附錄A 電磁感應(yīng)法鋼筋探測儀的校準(zhǔn)方法······64

附錄C 混凝土電阻率檢測······65