正版 特定地质条件沿空留巷应用理论研究(英文版) Hongyun Yang,

l Introduction
1.1 Classification of Mining Roadways
1.1.1 Single.Index Classification Methods
1.1.2 Single-Index Classification Methods Integrating Multiple Factors
1.1.3 Multi-Factor and Multi.Index Classification Methods
1.2 Application of GER
1.2.1 Roadway Auto-Forming with Advanced Roof Cutting and Pressure
Relief
1.2.2 Tradifional GER Mode
1.3 Failure Modes of Roadways
References
2 Overview of Engineering Geology
2.1 Overview
2.2 Coal-Bearing Strata
2.2.1 Coalfield in the Northeast of Sichuan Province
2.2.2 Huayingshan Coalfield in the East of Sichuan Province
2.2.3 Coalfield in the South of Sichuan Province
2.2.4 Panzhihua Coalfield
2.3 Distribution of Geological Conditions
2.3.1 nicknesses of Coal Seams
2.3.2 Dip Angles of Coal Seams
2.3.3 Burial Depths of Roadways
2.3.4 Thicknesses of Immediate Roofs
2.3.5 Lithologies of Immediate Roofs
2.3.6 Roof Inte两ty
2.4 Chapter Summary
References
3 Adaptation Assessment of Gob.Side Entry Retaining
3.1 Introduction
3.2 Determination of Impact FactOrs
3.2.1 Determination Principles
3.2.2 Factors Selection
3.3 Field Application Statistics
3.3.1 Dip Angle
3.3.2 Mining Height
3.3.3 Cover Depth
3.3.4 Lithology of Immediate Roof
3.3.5 TICIR
3.3.6 Roof Integricy
3.4 Indicator Weighting
3.4.1 Process of Determining Weights bv AHP
3.4.2 Results of Weights
3.5 Adaptive Grades and Their Support Me廿10ds
3.5.1 The Analysis of Support Methods and Their Utilization Conditions
3.5.2 Adaptive Grades
3.5.3 Support Method of Each Grade
3-6 Adaptability Evaluation Process
3.6.1 Determination of Membership Function
3.6.2 Actual Gateway Adaptability Evaluation
3.7 Chapter Summary
References
4 AdVaneing Cutting Roof for Retaining Gateway With Near HorizOntal
and Close Coal Seam Groups
4.1 Introduction
4.2 Mechanism of the Cutting Roof for a Retaining Gateway
4.3 Equivalent Material Simulation Experiment
4.3.1 Geological Conditions
4.3.2 Equivalent Material Model
4.3.3 Load and Excavation of the Model
4.4 Result of the Experiment
4.4.1 The Formation Process of the Roof Caving Structure
4.4.2 ne Mechanical Structure Model of the Caving Roof
4.5 Discussion
4.6 Chapter Summary
References
5 Natural Filling and Systematic Roof Control Technology for
Retaining Gateway in Steep Coal Seams
5.1 Introduction
5。2 Investigation of Steep Coal Seams
5.3 Analysis of the Advantage of the Use of GER in Steep Coal
Seams
5.3.1 Analysis of the Characteristics of Roof Cave—Ins
5.3.2 Analysis of the Stress Redistribution
5.4 The Key Technology for GER
5.4.1 Support Zone for Steep Coal Seams
5.4.2 Natural Filling Technology for Caved Waste Rock
5.4.3 Strengthening Support Device
5.5 Gateway Driving and Its Support Technology
5.5.1 Gateway Driving
5.5.2 Gateway Support Technology
5.6 Chapter Summary
References
6 Soft Roof Failure Mechanism and Supporting Method for Retaining
Gateway
6。1 Introduction
6.2 Description of Field Observation
6.2.1 Survey of Study Site
6.2.2 The Survey Results of Soft Ro《Failure Characteristics
6.3 Stress Evolution Law in Roof
6.3.1 Numerical Simulation Model
6.3.2 Numerical Results
6.4 Force States of Roof Rock Mass
6.5 Mechanism for Failure of Roof Rock Mass
6.5.1 Mechanism for Failure of Roof Rock Mass in Working Face End
6.5.2 Mechanism for Failure of the Roof Rock Mass in Retaining
Roadway
6.6 Roof Support Countermeasures
6.6.1 Deformation Analysis of Working Face End Roof
6.6.2 Bolt Limit Equilibrium Tension Force
6.7 Discussion
6。8 Chapter Summary
References
7，The Failure E~mcterisfics and the Supporting Technology for
Pre-Retaining Gateway
7.1 Introduction
7.2 Understanding of Surrounding Rock Failure and Its Support
7.3 Investigation of Test Field
7.3.1 Geological Conditions of Gateways
7.3.2 Cross.Section and Size
7.4 TeSt of Gateways Broken Width
7.4.1 Test Location of Gateways
7.4.2 Test Principle of GPR
7.4.3 Results and Analyses of Gateways Broken Width
7.5 Cross-Section Diagram of Excavation Broken Zone(EBZ)
7.5.1 Steps for Obtaining EBZ
7.5.2 Cross—Section Diagram Resulting from EBZ
7.5.3 Failure Characteristics of Gateways Surrounding Rock
7.6 Broken Width In Gateways with Different Excavation Method
7.7 ExperimentaI Studies on the Improved MateriaI Parameters
of Bolts
7.7.1 Mechanical Effects of a Bolt with Pretension Force
7.7.2 The Improved Mechanical Performance of a Bok
7.8 Support Effe~Analyses of Bolt and Surround Rock
7.8.1 Support Theory Assessment of Gateways Broken Zones
7.8.2 Stress Diffusion Analysis for Anchored Rock Mass
7.8.3 Initial Ioad—Bearing Zone of Gateway Surrounding Rock
7.9 Supporting Technology
7.10 Chapter Summary
References
Attachment Evaluation Results of Adaptability of Gob·side Entry Retaining

杨红运，重庆交通大学副教授，从事采矿工程、地下工程围岩控制方面的科研和教学工作。主持国家自然科学基金、国家自然科学基金青年基金、博士后创新人才支持计划项目等多项科研课题。

本书以现场调研、理论分析、相似材料模拟、数值模拟为手段，研究煤层倾角及顶板完整性对沿空留巷适应性的影响，建立了沿空留巷适应性分级系统，介绍了特定地质条件下留巷围岩断裂破坏机理，建立了顶板控制力学模型，最后系统分析了回采巷道围岩破坏特征及控制机理。
本书可供从事矿山及地下工程的科研和工程技术人员阅读，也可供高等院校采矿专业的师生参考。