XJJ052-2019：直拔法检测混凝土抗压强度技术标准

XJJ052-2019······1

1 总则······9

2 术语和符号······10

2.1 术语······10

2.2 符号······11

3 仪器设备······12

3.1 技术要求······12

3.2 检定／校准与保养······12

3.3 安全防护······13

4 检测技术······14

4.1 一般规定······14

4.2 直拔法检测······14

5 测强曲线······20

5.1 一般规定······20

5.2 测强曲线······20

5.3 专用测强曲线······20

6 混凝土抗压强度的计算······22

7 检测报告······23

附录A 测组混凝土抗压强度换算表······24

附录B 直拔法检测混凝土抗压强度记录表······32

附录C 直拔法检测混凝土抗压强度报告······33

附录D 测强曲线的制定方法······34

本标准用词说明······38

引用标准名录······39

条文说明······40

1 总则······42

2 术语与符号······43

2.1 术语······43

3 仪器设备······44

3.1 技术要求······44

3.2 校准与保养······44

3.3 安全防护······45

4 检测技术······46

4.1 一般规定······46

4.2 直拔法检测······46

5 测强曲线······52

5.1 一般规定······52

5.2 测强曲线······52

5.3 专用测强曲线······53

6 混凝土抗压强度的计算······54

7 检测报告······55