岩层动态破坏与注浆减沉 英文pdf电子书版本下载

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1 Introduction 1

1.1 Mining Subsidence and Grouting Subsidence Mitigation 8

1.2 Contents of This Book 27

2 Equivalent Material Simulation Test Under Controllable Environment Conditions 28

2.1 EM ST Method Under Constant Temperature and Constant Humidity Conditions 28

2.2 EM ST of Overburden Bed Separation and Subsidence Laws 31

2.3 Tests of Hardening Equivalent Simulation Materials 39

2.4 Rheological Characterization of Equivalent Simulation Materials 44

2.5 Summary 48

3 Deformation of Overburden and Developm ent of Bed Separation 50

3.1 Movement of Rock Strata and Dynamic Development of Bed Separation 52

3.2 Height of Water Flowing Fracture Zone in Stope 64

3.3 Summary 73

4 Mechanism of Grouting Subsidence Mitigation in Bed Separation 75

4.1 Evolution of Stope Overburden Structure 75

4.2 Mechanism of Grouting Subsidence Mitigation in Overburden Bed Separation Zone 92

4.3 Space Volume of Bed Separation and the Maximum Allowable Grout Amount 109

4.4 Surface Subsidence Prediction Methods Under the Condition of Grouting Subsidence Mitigation 112

4.5 Summary 118

5 Grout Water Seepage Lawsand Properties of Grout Materials 120

5.1 Seepage Theory on Fractured Rock Mass 121

5.2 Grout Water Seepage Modelfor Overburden Bed Separation 124

5 3 Tests of Grout Material Performance 132

5.4 Summary 146

6 Project Cases 148

6.1 Mining Geological Conditions 148

6.2 Grouting Subsidence Mitigation Engineering for Tieer Mining Section 149

References 156

Index 161