XJJ052-2019······1

1 總則······9

2 術(shù)語和符號······10

2.1 術(shù)語······10

2.2 符號······11

3 儀器設(shè)備······12

3.1 技術(shù)要求······12

3.2 檢定／校準與保養(yǎng)······12

3.3 安全防護······13

4 檢測技術(shù)······14

4.1 一般規(guī)定······14

4.2 直拔法檢測······14

5 測強曲線······20

5.1 一般規(guī)定······20

5.2 測強曲線······20

5.3 專用測強曲線······20

6 混凝土抗壓強度的計算······22

7 檢測報告······23

附錄A 測組混凝土抗壓強度換算表······24

附錄B 直拔法檢測混凝土抗壓強度記錄表······32

附錄C 直拔法檢測混凝土抗壓強度報告······33

附錄D 測強曲線的制定方法······34

本標準用詞說明······38

引用標準名錄······39

條文說明······40

1 總則······42

2 術(shù)語與符號······43

2.1 術(shù)語······43

3 儀器設(shè)備······44

3.1 技術(shù)要求······44

3.2 校準與保養(yǎng)······44

3.3 安全防護······45

4 檢測技術(shù)······46

4.1 一般規(guī)定······46

4.2 直拔法檢測······46

5 測強曲線······52

5.1 一般規(guī)定······52

5.2 測強曲線······52

5.3 專用測強曲線······53

6 混凝土抗壓強度的計算······54

7 檢測報告······55