煤岩体吸附、解吸瓦斯过程中动态变形特性的研究进展  

Development of dynamic deformation characteristics of coal in the process of gas adsorption and desorption

作　　者：刘延保[1,2] 金洪伟[1,2] 王波[1,2] 

机构地区：[1]瓦斯灾害监控与应急技术国家重点实验室,重庆400037 [2]中煤科工集团重庆研究院,重庆400037

出　　处：《辽宁工程技术大学学报（自然科学版）》2012年第5期625-629,共5页Journal of Liaoning Technical University (Natural Science)

基　　金：国家重点基础研究发展计划资助项目(2010CB735506;2012CB724206);国家自然科学基金资助项目(51104087);重庆市科委自然科学基金计划资助项目支持(CSTC2010BB6118)

摘　　要：为了深入了解煤体吸附、解吸瓦斯过程中发生变形的这一特殊力学行为的研究成果,采用查阅文献资料和综合分析的方法,对煤体的吸附、解吸变形机理,煤体吸附、解吸变形测试方法,吸附、解吸变形影响因素以及对瓦斯运移的影响等相关问题的最新进展进行了全面总结,在综合分析的基础上,紧密结合工程实际提出了在突出演化机制、突出危险性辅助预测方法和瓦斯抽放等领域的进一步研究方向,为今后有效控制瓦斯灾害和开发相应的防治技术提供了可靠的参考资料.The interaction mechanism between coal and gas is a basic scientific problem in the field of gas disaster prevention and control.In order to obtain an insight into the special mechanical behavior of coal deformation during gas adsorption and desorption process,this paper is to overview the recent achievement and latest development in the deformation mechanism of gas adsorption and desorption,the test method of adsorption & desorption deformation,the influence factors of adsorption & desorption deformation,and the impact on gas migration,etc.Based on the comprehensive analysis,the paper provides a direction for further investigation on coal and gas outburst evolutionary mechanisms,outburst prediction method and gas drainage.It provides a reliable reference for effective controlling on gas hazard and developing some appropriate prevention techniques.

关 键 词：瓦斯灾害 突出危险性 含瓦斯煤 吸附 解吸变形 瓦斯运移 渗透率 变形测试 突出预测 

分 类 号：TD713[矿业工程—矿井通风与安全]