JGJT456-2019······1

1 總則······9

2 術(shù)語和符號(hào)······10

2.1 術(shù)語······10

2.2 符號(hào)······12

3 基本規(guī)定······13

3.1 檢測(cè)環(huán)境······13

3.2 參數(shù)······13

3.3 檢測(cè)步驟······14

3.4 現(xiàn)場(chǎng)波速校正······14

3.5 數(shù)據(jù)與圖像處理······15

3.6 檢測(cè)報(bào)告······16

4 檢測(cè)系統(tǒng)······17

5 層厚檢測(cè)······19

6 內(nèi)部缺陷檢測(cè)······21

6.1 一般規(guī)定······21

6.2 檢測(cè)方法······21

7 鋼筋配置檢測(cè)······23

7.1 一般規(guī)定······23

7.2 檢測(cè)方法······23

附錄A 檢測(cè)報(bào)告格式······25

附錄B 檢測(cè)記錄表······26

本標(biāo)準(zhǔn)用詞說明······30

引用標(biāo)準(zhǔn)名錄······31

附：條文說明······32

1 總則······35

2 術(shù)語和符號(hào)······36

2.2 符號(hào)······36

3 基本規(guī)定······37

3.1 檢測(cè)環(huán)境······37

3.2 參數(shù)······37

3.3 檢測(cè)步驟······38

3.4 現(xiàn)場(chǎng)波速校正······40

3.5 數(shù)據(jù)與圖像處理······41

3.6 檢測(cè)報(bào)告······44

4 檢測(cè)系統(tǒng)······45

5 層厚檢測(cè)······48

6 內(nèi)部缺陷檢測(cè)······50

6.1 一般規(guī)定······50

6.2 檢測(cè)方法······50

7 鋼筋配置檢測(cè)······57

7.1 一般規(guī)定······57

7.2 檢測(cè)方法······57