CJJ/T49-2020：地铁杂散电流腐蚀防护技术标准

CJJT49-2020······1

1 总则······12

2 术语······13

3 基本规定······15

4 防护指标及防护工程方案······17

4.1 防护指标······17

4.2 防护工程方案······17

5 防护设计······22

5.1 一般规定······22

5.2 线路······23

5.3 轨道······24

5.4 主体建筑结构······27

5.5 供电系统······29

5.6 车辆基地······34

6 防护监控······36

6.1 一般规定······36

6.2 监控系统······36

6.3 监测系数······38

6.4 监控设施······39

7 检验和测试······40

7.1 检验······40

7.2 测试······44

8 验收检验与移交······45

8.1 验收条件······45

8.2 验收组织······46

8.3 验收内容······46

8.4 验收移交文件······47

9 运营维护······48

附录A 测试方法······50

附录B 测试设备要求······65

附录C 测试记录表······68

本标准用词说明······75

引用标准名录······76

附：条文说明······78

1 总则······82

2 术语······85

3 基本规定······86

4 防护指标及防护工程方案······92

4.1 防护指标······92

4.2 防护工程方案······95

5 防护设计······106

5.1 一般规定······106

5.2 线路······108

5.3 轨道······110

5.4 主体建筑结构······117

5.5 供电系统······121

5.6 车辆基地······127

6 防护监控······129

6.1 一般规定······129

6.2 监控系统······129

6.3 监测参数······131

6.4 监控设施······132

7 检验和测试······134

7.1 检验······134

7.2 测试······135

8 验收检验与移交······136

8.1 验收条件······136

8.2 验收组织······137

8.3 验收内容······138

8.4 验收移交文件······138

9 运营维护······140