Detail of JTG F60-2009

Introduction of JTG F60-2009

1.0.1 This specification is formulated with a view to unify the technical requirements of construction for mountain highway tunnels (hereinafter referred to as "highway tunnels") projects to ensure the project quality. 1.0.2 This specification is applicable to newly build and reconstruct the highway tunnels at all levels based on drilling and blasting excavation; highway tunnels of other forms may refer to this. 1.0.3 Highway tunnel construction must comply with national and professional acceptance quality level to establish a perfect quality assurance system and develop practical quality management system and measures, so as to ensure the project quality. 1.0.4 Highway tunnel construction must comply with national and professional production safety laws and regulations to establish a practical safety system and measures, so as to ensure the construction safety. 1.0.5 Highway tunnel construction must comply with national law and regulation of labor protection, so as to actively improve the conditions of tunnel construction, develop practical ventilation, dust-proof, lighting, harmful gases prevention and radiation protection measures to ensure the health of operating personnel. 1.0.6 The construction of highway tunnels must abide by relevant laws and regulations on national ecology and environmental protection, so as develop practicable measures to prevent noise, dust and waste water from polluting the environment, and to protect the original vegetation and geomorphology. The construction waste shall be carefully disposed to accomplish a civilized construction. 1.0.7 The highway tunnel construction must abide by the laws of State Administration of cultural heritage; when cultural heritage is encountered, the construction shall be stopped to protect the field; after carefully treatment together with the concerned organization, the construction may be continued. 1.0.8 Highway tunnel construction must comply with the national laws and regulations on land management, so as to conserve the land and protect cultivated land and woodland. 1.0.9 During the handover process, the lining and ancillary facilities must not invade the construction limits. 1.0.10 The highway tunnel construction shall not only comply with those specified in this specification, but shall also comply with relevant current standards and codes of the nation and profess.

Contents of JTG F60-2009

1. General Provisions 2. Terminologies and Symbols 2.1 Terminologies 2.2 Symbols 3. Preparation of Construction 3.1 General rules 3.2 Construction site and temporary works 3.3 Constructor, materials and equipment 4. Construction Survey 5. Tunnel Adit, Open Tunnel and Shallow-buried District Projects 5.1 Tunnel adit project 5.2 Open tunnel project 5.3 Shallow-buried district project 5.4 Quality inspection and standard 6. Excavation 6.1 General rules 6.2 Excavation method 6.3 Over-excavation and under-excavation control 6.4 Drilling and blasting design 7. Mucking and Transportation 7.1 General rules 7.2 Mucking transportation 7.3 Muck loading and unloading 8. Support and Lining 8.1 General rules 8.2 Shotcrete 8.3 Rock bolt 8.4 Mat reinforcement 8.5 Steel frame 8.6 Lining steel bar 8.7 Forming concrete lining 8.8 Inverted arch and soleplate 8.9 Quality inspection and standard 9. Small-distance Tunnel and Multi-arch Tunnel 9.1 Small-distance tunnel 9.2 Multi-arch tunnel 10. Monitoring Measurement 10.1 General rules 10.2 Measuring operation 10.3 Data processing and application of measurement 11. Waterproof and Drainage 11.1 General rules 11.2 Water-proof and drainage of construction 11.3 Construction of waterproof and drainage structure 11.4 Slip casting waterproof 11.5 Quality inspection and standard 12. Wind, Water, Electricity Supply 12.1 Wind supply and water supply 12.2 Power supply and lighting 13. Ventilation, Dustproof and Harmful Gas Prevention 14. Access Adit 14.1 General rules 14.2 Inclined shaft 14.3 Vertical shaft 14.4 Transverse gallery and parallel heading 15. Ancillary Works Measures 15.1 General rules 15.2 Strata stabilization measures 15.3 Water inflow treatment measures 15.4 Quality inspection and standard 16. Construction of Adverse Geological and Special Geotechnical District 16.1 General rules 16.2 Expansive rock and soil 16.3 Loess 16.4 Karst 16.5 Water containing sand bed 16.6 Gas 16.7 Rock blasting 16.8 Weak crushing surrounding rock with abundant water 17. Construction of Tunnel Pavement 18. Ancillary Facilities Engineering 18.1 Equipments tunnel, cross aisle and others 18.2 Decoration engineering 18.3 Built-in fitting and others 19. Handover and Acceptance Appendix A Evaluation on Compressive Strength of Cement Concrete Appendix B Evaluation on Strength of Cement Mortar Appendix C Shotcrete and Rock Bolt Support Testing and Measuring Method Appendix D Joint-forming Test Method for Blasting Appendix E Geologic Sketch Map of Tunnel Explanation of Wording in this Specification