JGJT456-2019······1

1 總則······9

2 術語和符號······10

2.1 術語······10

2.2 符號······12

3 基本規定······13

3.1 檢測環境······13

3.2 參數······13

3.3 檢測步驟······14

3.4 現場波速校正······14

3.5 數據與圖像處理······15

3.6 檢測報告······16

4 檢測系統······17

5 層厚檢測······19

6 內部缺陷檢測······21

6.1 一般規定······21

6.2 檢測方法······21

7 鋼筋配置檢測······23

7.1 一般規定······23

7.2 檢測方法······23

附錄A 檢測報告格式······25

附錄B 檢測記錄表······26

本標準用詞說明······30

引用標準名錄······31

附：條文說明······32

1 總則······35

2 術語和符號······36

2.2 符號······36

3 基本規定······37

3.1 檢測環境······37

3.2 參數······37

3.3 檢測步驟······38

3.4 現場波速校正······40

3.5 數據與圖像處理······41

3.6 檢測報告······44

4 檢測系統······45

5 層厚檢測······48

6 內部缺陷檢測······50

6.1 一般規定······50

6.2 檢測方法······50

7 鋼筋配置檢測······57

7.1 一般規定······57

7.2 檢測方法······57