欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
综述了煤与瓦斯突出模拟试验研究现状,主要从瓦斯压力、地应力和煤体物理力学性质及其综合作用方面分析了其对煤与瓦斯突出的影响以及在这些因素影响下的突出特点、形式和规律。鉴于煤与瓦斯突出的复杂性,目前的研究还存在以下不足：（1）试验过程中用的都是颗粒煤或者是型煤,很难真实反映现场的煤层物理特性;（2）试验载荷的施加方式和大小反映不了现场煤体中真实的三维应力状态;（3）实验室模拟试验中的突出口多数情况是人为打开的,而不是煤体内部达到突出条件后自主打开的。建议使用原煤煤样、加大模拟实验尺度、采用真三轴加载方式、合理设置突出口进一步开展多因素耦合的煤与瓦斯突出模拟试验,对煤层瓦斯突出机理的研究具有重要的现实意义。
英文摘要：
Summarizing the research status of simulation experiments of coal and gas outburst,mainly from gas pressure,crustal stress and the physical and mechanical properties of coal and their comprehensive effect,analyzing their influences on coal and gas outburst and its characteristic,form and laws under these factors. Because of the complexity of coal and gas outburst,the current researches also have the following deficiencies：（1） specimens used in the experiments are almost coal particles and moulded coals,it is difficult to reflect the real physical properties in the coal seam;（2） loading style and size in the experiment can not completely reflect the three-dimensional stress state in the real coal seam;（3） in most cases,the orifices of laboratory simulation outbursts are opened artificially rather than automatically until coal reach the outburst conditions. It suggests using the raw coal specimen,loading the real three-dimensional stress,setting reasonable outburst orifices to carry out multi-factor coupling simulation experiments of coal and gas outburst,which has great significance for the study the mechanism of outburst.
同期刊论文项目
同项目期刊论文
期刊信息
位置：