公路隧道养护技术规范(英文版)(JTG H12—2015)(EN)

1 General Provisions 1
2 Terms and Symbols 3
2. 1 Terms 3
2. 2 Symbols 4
3 Maintenance Class and Technical Condition Assessment 5
3. 1 Maintenance class 5
3. 2 Technical condition assessment 5
4 Tunnel Structure 8
4. 1 General provisions 8
4. 2 Daily patrol 8
4. 3 Cleaning 9
4. 4 Structural inspection 11
4. 5 Technical condition assessment of tunnel structure 19
4. 6 Maintenance and repair 21
4. 7 Structural degradation treatment 24
5 M&E Equipment 26
5. 1 General provisions 26
5. 2 Daily patrols 28
5. 3 Cleaning and maintenance 29
5. 4 Inspection and repair for power supply and distribution facilities 30
5. 5 Inspection and repair for lighting facilities 42
5. 6 Inspection and repair for ventilation facilities 44
5. 7 Inspection and repair for fire-fighting facilities 47
5. 8 Inspection and repair for monitoring and communication facilities 50
5. 9 Technical condition assessment of M&E equipment 57
6 Other Facilities 61
6. 1 General provisions 61