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1Introduction to Rock Mechanics1 1.1A Brief History of Rock Mechanics2 1.2Inherent Complexities in Rock Mechanics3 1.3Implementation of Rock Mechanics Mining Programme7 Exercises9 Vocabulary and Phrases10 2Rock Mass Properties12 2.1Introduction12 2.2Concepts and Definitions13 2.3Common Laboratory Strength Tests14 2.4Behaviour of Rock in Uniaxial Compression17 2.5Behaviour of Rock in Triaxial Compression19 Exercises21 Vocabulary and Phrases21 3Rock Mass Classification24 3.1Introduction24 3.2Engineering Rock Mass Classification24 3.3Hoekª²Brown Failure Criterion25 3.ª±4Equivalent Rock Mass Technique31 Exercises45 Vocabulary and Phrases45 4In Situ and Induced Stresses48 4.1Introduction48 4.2In Situ Stresses48 4.3Analysis of Induced Stresses50 4.4Numerical Methods of Stress Analysis52 Vocabulary and Phrases57 5Application and Prospective of 3D Printing60 5.1Background and Overview60 5.2Research Situation of 3D Printing in Rock Mechanics62 5.3Discussions77 5.4Conclusions82 Exercises83 Vocabulary and Phrases83 6Particle Flow Theory and PFC2D Software86 6.1Background and Overview86 6.2PFC and DEM88 6.3Calculation Cycle90 6.4Parallel Bond92 Exercises92 Vocabulary and Phrases93 7Case Study: Rock Brazilian Test94 7.1Introduction94 7.2Experimental Study94 7.3Numerical Simulation96 7.4Conclusion100 Exercises101 Vocabulary and Phrases101 8Case Study: Rock Uniaxial Compressive Test103 8.1Introduction103 8.2Sample Materials and Experimental Process103 8.3Test and Calculation Results and Analysis105 8.4Conclusion112 Exercises112 Vocabulary and Phrases112 9Case Study:Rock Triaxial Compressive Test114 9.1Introduction114 9.2Flatjoint Contact Model114 9.3Experiment and Calculation Result Analysis115 9.4Discussion121 9.5Conclusions122 Exercises123 Vocabulary and Phrases123 References126