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1 Opportunities and Challenges in Deep Mining 1.1 Status of deep mining 1.2 Mechanical environment in deep mining 1.3 Engineering response in deep mining 1.4 Status of deep metal mines at home and abroad 1.5 Challenges in deep mining 2 Geological Conditions in Sanshandao Mining Area 2.1 Regional geology 2.2 Engineering geology 2.3 Hydrogeology 3 In-situ Stress Measurement Method and Its Application 3.1 The principle of in-situ digitizing hollow inclusion cell 3.2 In-situ stress measurement and distribution law 3.3 The in-situ stress field distribution 4 Rock Mass Investigation and Rock Quality Evaluation 4.1 Influence of structural plane on surrounding rocks 4.2 Structural plane investigation of deep tunnel rock mass 4.3 Investigation summary of the structural plane of deep tunnel rock mass 4.4 Rock quality classification 5 Rock Chemical Damage Induced by Deep Hydrochemical Environment 5.1 Analysis of deep hydrochemical environment 5.2 Damage mechanism and time-dependent characteristics of granite under the action of acidic chemical solutions 5.3 Morphology and porosity development of granite before and after chemical erosion 5.4 Time-dependent characteristic test of granite damage process under the action of acidic chemical solution 5.5 Mineral composition change and chemical damage mechanism during rock-groundwater interaction 6 Mining Optimization and Stability Analysis of Stopes 6.1 Optimization of deep mining method 6.2 Optimization of structure parameters in deep stope 6.3 Spatio-temporal variation of displacement and stress in stope 6.4 Spatio-temporal variation of displacement and stress in multiple mining section mining 6.5 Stability analysis of surrounding rocks in deep fault zone 7 Stability Analysis and Ground Pressure Monitoring 7.1 Three-dimensional fracture network model 7.2 Mechanical parameters of representative elementary volume 7.3 Stability analysis of the tunnel in fracture rock mass 7.4 Monitoring of ground pressure in deep mining References