铁路隧道超前地质预报技术规程（Q/CR 9217-2015 英文版）

1 General Provisions
2 Terms and Symbols
2．1 Terms
2．2 Symbols
3 Basic Requirements
4 Design of Geological Prediction
5 Execution of Geological Prediction
5．1 General Requirements
5．2 Fault Prediction
5．3 Karst Prediction
5．4 Prediction of Coal Seam and Gas
5．5 Others
6 Geological Investigation Method
7 Advance Exploration Drilling Method
7．1 Advance Geological Exploration Drilling
7．2 Exploration by Deepened Blast Holes
8 Geophysical Prospecting Method
8．1 General Requirements
8．2 Elastic Wave Reflection Method
8．3 Electromagnetic Wave Reflection Method
8．4 High-resolution Direct Current Method
9 Pilot Heading Prediction Method
Appendix A General Provisions on Safety Protection
Appendix B Classification of Geology Complexity
Appendix C Portents of Unfavorable Geological Bodies in Tunneling
Appendix D Basic Conditions and General Rules of Karst Development
Appendix E Basic Classification of Surrounding Rocks of Railway Tunnels
Appendix F Geological Outspread Drawing of Tunnel
Appendix G Classification of Drillability of Rocks and Soils
Appendix H Columnar Section of Borehole
Appendix J Design of Observation System for Seismic Wave Reflection Method
Explanation of Wording in This Specification