GB51144-2015_煤炭工业矿井建设岩土工程勘察规范_结构规范.pdf

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......................................................... 2 2.2 Symbols ...................................................... 4 Basic requirement ............................................. 6 3. 1 Division of investigation grade 6 3. 2 Geo technical name and field identification 10 3. 3 Site safety requirements 14 4 Ground construction and pipeline engineering 17 4. 1 General requirement 17 4. 2 Technical requirements of each investigation stage 18 4. 3 Detailed investigation of raw coal production system 24 4. 4 Detailed investigation of coal-washing system 26 4. 5 Detailed investigation of storage, loading and transportation systems 27 4. 6 Detailed investigation of auxiliary production system 28 4. 7 Detailed investigation of administrative public construction 31 5 Slope engineering 3 3 5. 1 General requirement 3 3 5. 2 Rock slope 3 4 5. 3 Loess slope 3 5 5. 4 Filled soil slope 3 7 5. 5 Strength parameters and stability uation 38 4 6 Excavation engineering 42 6. 1 General requirement 42 6. 2 Investigation and workload arrangement 42 6. 3 Test , parameter selection, analysis and uation 44 7 Special rock and soil 46 7. 1 Collapsible soil 46 7. 2 Gangue fill 4 8 7. 3 Artificially frost-thawed soil 49 7. 4 Red clay 51 8 Adverse geologic actions and geological disaster 54 8. 1 Slippery slope 54 8. 2 Karst 5 6 8. 3 Ground fissure 5 9 8. 4 Gwag 60 8. 5 The seismic effect of site and foundation 61 9 Ground water 65 9. 1 Requirement for groundwater investigation 65 9. 2 Determination of hydrogeological parameters 9. 3 uation of groundwater function 10 Engineering geological mapping 10. 1 General requirement 10. 2 Content and scope of surveying and mapping 10. 3 s and accuracy requirements of 65 66 68 68 68 surveying and mapping 72 10. 4 Organization of surveying and mapping results 7 4 11 Exploration, in-situ tests, sampling and testing 75 11. 1 General requirement 7 5 11. 2 Drill out ....... 75 5 11. 3 Exploration of trenching, well and hole 7 7 11. 4 Engineering geophysical prospecting 7 8 11.5 In-situ tests 78 11. 6 The acquisition of rock and soil samples 7 8 11. 7 Laboratory tests 80 12 Water and soil corrosion ua ti on 82 12. 1 Sampling and testing 82 12. 2 Corrosion ua ti on 8 3 13 Analysis of geotechnical engineering and establish report 87 13. 1 General requirement 8 7 13. 2 Statistical parameters and application 87 13. 3 Geo technical engineering analysis and determining bearing capacity 89 13. 4 Main contents of the investigation report 90 Appendix A Classification of slope rock mass 95 Appendix B Classification of earth-rock 97 Appendix C Level of tunnel surrounding rock 99 Appendix D Calculation of landslide stability coefficient and thrust 100 Appendix E Engineering classification of ground fissures 102 Appendix F Main geophysical prospecting s and using range 104 Appendix G Mainly in-situ testing on engineering in vestiga ti on 107 Appendix H The samplers and s for different levels soil samples 110 Appendix 1 Classification of site environment 111 6 Explanation of wording in this code 112 List of quoted standards 113 Addition Explanation of provisions 115 7 1 1. o. 1 T{EY{IifitmiiIWWJJf, m-WJ1Jt1-TOO** ttm ,flitUtt7tur .. mm .. f*tm ,f*Jgt1tff1tJC -tt**, 1J5E*m 0 1.0.2 *mmmrjtlmiiIW[J{JWJ 1 ititit*tltr*tltff[J{]oomm IW; 2 itititr*tlt*tltff[J{]OO miJLIWff11lIW; 3 ififitrff[J{Jfi0mmIW; 4 *m 13 miiIWJf FJfEf{J Jtl .. 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