煤与瓦斯共采是采矿工程和安全科学与工程的综合性学科，目前和今后相当长的时期主要服务于煤炭安全开采、瓦斯(煤层气)资源的开发与利用和环境保护。煤与瓦斯共采以矿山岩石力学和渗流力学为基础，与矿业工程、安全工程、抽采工艺理论和实践相结合，是具有一定特色的基础理论学科与工程技术学科互相交叉的独立分支学科。全书共分九章，主要内容包括煤与瓦斯共采基础理论、煤与瓦斯共采设计原则、巷道法煤与瓦斯共采、无煤柱煤与瓦斯共采、地面钻井法煤与瓦斯共采、瓦斯抽采系统、煤矿瓦斯利用、煤与瓦斯共采成本和效益分析等。
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国家"千人计划"专家。2014年获安徽省科技进步奖一等奖（排名第2），2017年获中国煤炭工业科学技术奖一等奖（排名第2）
Contents
Preface
Chapter 1 Introduction 1
1.1 Basic Concepts of Coal and Gas Co？extraction 1
1.2 Coal and Gas Co？extraction Models in China 4
1.3 History of Coal and Gas Co？extraction Technology 15
1.4 Research Methods of Coal and Gas Co？extraction 21
1.5 Research and Development Directions of Coal and Gas Co？extraction 22
References 24
Chapter 2 Basic Theory of Coal and Gas Co？extraction 27
2.1 Coal and Rock Mass Structure and Mechanical Characteristics 27
2.2 Strata Movement and Stress Distribution Characteristics 45
2.3 Coal Seam Gas Occurrence and Flow Theory 59
2.4 Theory of Mining "O" Ring in Coal and Rock 76
2.5 Theory of High？level Annulus in Coal and Gas Co？extraction 90
References 132
Chapter 3 Design Principles of Coal and Gas Co？extraction 135
3.1 Design Principles of Coal Mine 135
3.2 Design Principles of Mining Area 149
3.3 Design Principles of Working Face 158
References 169
Chapter 4 Coal and Gas Co？extraction by Roadway Method 171
4.1 Model of Coal and Gas Co？extraction by Roadway 171
4.2 Gas Extraction in First？mined Coal Seam 175
4.3 Gas Extraction in Stress？relief Coal Seam 199
4.4 Construction and Maintenance of Special Roadway for Gas Extraction 220
References 232
Chapter 5 Coal and Gas Co？extraction Without Coal Pillars 234
5.1 Principle of Surrounding Rock Control in Retaining Roadway along Goaf 235
iv COAL AND GAS CO？EXTRACTION
5.2 Surrounding Rock Control Technology for Retaining Roadway along Goaf 247
5.3 Method of Gas Extraction Without Coal Pillars 259
5.4 Safety Guarantee System for Mining Without Coal Pillars 267
References 276
Chapter 6 Coal and Gas Co？extraction by Ground Drilling 278
6.1 Pre？extraction of Coalbed Methane Technology Using Ground Drilling 279
6.2 Stress？Relief Gas Drainage Technology Using Ground Drilling 301
6.3 "Three？zone Linkage" Three？dimensional Gas Extraction Technology 319
References 325
Chapter 7 Gas Extraction System 327
7.1 Establishment of Mine Gas Extraction System 327
7.2 Equipment Selection of Gas Extraction System 332
7.3 Gas Extraction Drilling and Construction 348
7.4 Monitoring and Control of Gas Extraction System 373
7.5 Gas Extraction Standards 383
7.6 Gas Extraction Management 389
References 400
Chapter 8 Utilization of Coal Mine Gas 402
8.1 Classification of Coal Mine Gas Sources 402
8.2 Gas Safety Transportation and Pretreatment Technology 404
8.3 Low Concentration Gas Enrichment and Comprehensive Utilization 421
8.4 Resource Utilization of High Concentration Gas 434
8.5 Gas power generation Waste Heat Refrigeration Technology 445
References 452
Chapter 9 Analysis of Costs and Benefits of Coal and Gas Co？extraction 454
9.1 Costs Analysis of Coal and Gas Co？extraction 454
9.2 Benefits Analysis of Gas Drainage Utilization 465
References 472
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