《岩层动态破坏与注浆减沉》详细研究因煤矿开采所导致的地表沉陷类型以及其产生力学机理。本书通过理论方法、相似试验和现场观测手段,针对覆岩离层和注浆减沉机理中的具体问题,探讨了采场覆岩结构演变的一般规律,注浆条件下离层内承压浆液的力学作用、离层发育规律、不同组成成分的注浆材料性能、浆液流动规律以及灰层沉积形态等,最后深入研究了离层注浆减沉机理,从而为减少因开采等造成地表沉降提供了理论及工程指导。
1Introduction
1.1Mining Subsidence and Grouting Subsidence Mitigation
1.2Contents of This Book
2Equivalent Material Simulation Test Under Controllable Environment Conditions
2.1EMST Method Under Constant Temperature and Constant Humidity Conditions
2.2EMST of Overburden Bed Separation and Subsidence Laws
2.3Tests of Hardening Equivalent Simulation Materials
2.4Rheological Characterization of Equivalent Simulation Materials
2.5Summary
3Deformation of Overburden and Development of Bed Separation
3.1Movement of Rock Strata and Dynamic Development of Bed Separation
3.2Height of Water Flowing Fracture Zone in Stope
3.3Summary
4Mechanism of Grouting Subsidence Mitigation in Bed Separation
4.1Evolution of Stope Overburden Structure
4.2Mechanism of Grouting Subsidence Mitigation in Overburden Bed Separation Zone
4.3Space Volume of Bed Separation and the Maximum Allowable Grout Amount
4.4Surface Subsidence Prediction Methods Under the Condition of Grouting Subsidence Mitigation
4.5Summary
5Grout Water Seepage Laws and Properties of Grout Materials
5.1Seepage Theory on Fractured Rock Mass
5.2Grout Water Seepage Model for Overburden Bed Separation
5.3Tests of Grout Material Performance
5.4Summary
6Project Cases
6.1Mining Geological Conditions
6.2Grouting Subsidence Mitigation Engineering for Tieer Mining Section
References
Index
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