DB21/T 3762-2023 水工隧洞质量检测技术规程

ICS07.060

CCSA47

21

辽宁省地方标准

DB21/T3762—2023

水工隧洞质量检测技术规程

TechnicalcodeforqualitydetectionofHydraulicTunnel

2023-06-30发布2023-07-30实施

辽宁省市场监督管理局发布

DB21/T3762—2023

目次

前言.................................................................................III

1范围.................................................................................1

2规范性引用文件.......................................................................1

3术语和定义...........................................................................2

4基本规定.............................................................................3

4.1基本要求........................................................................3

4.2检测流程........................................................................3

4.3检测方法........................................................................3

4.4检测仪器........................................................................3

4.5检测比例........................................................................4

4.6检测单元........................................................................4

4.7质量评价........................................................................4

5不衬砌隧洞...........................................................................4

5.1检测项目........................................................................4

5.2外观质量........................................................................4

5.3横断面尺寸......................................................................5

5.4轴线坐标........................................................................5

5.5平整度..........................................................................5

5.6岩石抗压强度....................................................................5

5.7岩体完整性......................................................................6

5.8水质分析........................................................................6

6锚喷隧洞.............................................................................6

6.1检测项目........................................................................6

6.2外观质量........................................................................6

6.3裂缝............................................................................7

6.4横断面尺寸......................................................................7

6.5轴线坐标........................................................................7

6.6平整度..........................................................................7

6.7黏结强度........................................................................8

6.8喷层厚度........................................................................8

6.9挂网位置及范围..................................................................8

6.10抗压强度.......................................................................9

6.11灌浆质量.......................................................................9

6.12水质分析.......................................................................9

7钢筋混凝土衬砌隧洞...................................................................9

7.1检测项目........................................................................9

7.2外观质量.......................................................................10

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DB21/T3762—2023

7.3裂缝...........................................................................10

7.4连接缝止水.....................................................................10

7.5横断面尺寸.....................................................................10

7.6轴线坐标.......................................................................11

7.7平整度.........................................................................11

7.8钢筋数量、钢筋间距、保护层厚度.................................................11

7.9混凝土与围岩接触面脱空.........................................................12

7.10衬砌厚度......................................................................12

7.11内部缺陷......................................................................12

7.12抗压强度......................................................................13

7.13抗冻性能和抗渗性能............................................................13

7.14灌浆质量......................................................................13

7.15水质分析......................................................................13

8钢衬砌隧洞..........................................................................14

8.1检测项目.......................................................................14

8.2外观质量.......................................................................14

8.3横断面尺寸.....................................................................14

8.4钢衬与混凝土接触状况...........................................................14

8.5针孔...........................................................................15

8.6涂层厚度.......................................................................15

8.7附着力.........................................................................15

8.8焊缝质量.......................................................................16

8.9钢板厚度.......................................................................16

II

DB21/T3762—2023

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规定起

草。

请注意本文件的某些内容可能涉及专利。本