其二为自封闭型,以突出煤层为代表。
Another is called reservoir self trap, represented by the outburst coal seam.
顶板管理是石门揭露突出煤层过程中的管理重点。
Roof control is key management of opening up coal seam with potential outburst in crosscut.
突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.
严重突出煤层掘进水力掏槽防突措施在国际上是一种防突新技术。
Grave protrusion coal seam tunnelling hydraulic cutting protrusion-dispelling measures is a new technology in the world.
突出煤层顺层长钻孔的施工由于受到施工技术的限制达不到预定的深度,影响了瓦斯抽放效果。
The drilling operation of long holes along outburst coal seam usually can't reach their preset depth since it is handicapped by drilling techniques, which will thus influence gas drainage effect.
突出煤层卸压后用钻孔瓦斯涌出初速度进行工作面预测和效果检验时经常超过突出临界值,造成开采保护层后煤层突出危险性更大的现象。
The main factors affecting the initial speed are studied and the causes of initial speed from borehole gas emission often exceeding limit theoretically explained.
随着我国煤矿开采越来越趋向深部,煤矿软岩问题便越来越突出,特别是三软煤层回采巷道的围岩控制问题。
Along with the mines toward deep level in China, the problems of soft rock are becoming more and more outstanding, especially controlling surrounding rock of three-soft coal seam.
对十二矿影响煤与瓦斯突出的井田地质构造、煤体结构、煤厚及其变化、煤层围岩等地质因素进行了分析。
The geologic factors which have effected on the well geologic structure, coal structure, coal thickness and its changes, coal seam surrounding rock and some other factors have been analysed.
对于极薄煤层煤与瓦斯的突出可能性分析,在以往实践中是个空白,所以在生产过程中认识和重视程度不够。
Regarding the extremely thin coal bed coal and the gas prominentpossibility analysis, in formerly practiced was a blank, therefore inthe production process knew and took the degree to be insufficient.
结果表明,封闭性李庄断层、煤层分岔、砂岩顶板是该矿瓦斯突出的敏感地质指标。
The result indicated that close Lizhuang fault, coal fork, and sandstone top board was sensitive geology factor influencing gas outburst of the mine.
作者还应用热力学中的“熵值判别法”提出了“煤层气体突出熵指数”,作为判断煤层气体的突出倾向性。
The author also applies the entropy discrimination of thermo-dynamics to outburst of coal-seam gases and presents "Outburst index of coal-seam gases" for predicting proneness of outburst.
作者认为,煤层气体的突出不仅是一种动力现象,它还是一种复杂的热力学过程。
The author considers that outburst of coal-seam gases is not only a dynamic phenomenon, but also a very complicated thermodynamical conversion process of energy.
通过采取连续抽采,降低或消除13—1煤层的瓦斯含量和突出危险性,实现安全快速高效的掘进。
Through pulling out gas continuously, the gas quantity was reduced and the gas burst of 13-1 coal bed was eliminated, and safe high-speed driving and high efficiency were realized.
在瓦斯事故中,揭开突出危险煤层造成的突出事故危害尤为严重。
In the gas accident, Opened outburst coal seam caused accident harm which is particularly serious.
煤层瓦斯压力是决定煤层瓦斯含量的一个主要因素,也是煤与瓦斯突出危险性预测的一个重要参数。
The gas pressure is a main factor of deciding gas content in coal seam. It is an important parameter of the dangerous prediction for coal and gas outburst too.
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The research has great significance for gas exploration in coal bed, underground gasification of coal and prevention of coal and gas outburst.
实验与理论研究的结果相吻合,从而为利用电磁波透视法预测煤层突出危险性技术的研究奠定了基础。
The results of theory and experiment are consistent, which can provide a reference to study technology which forecast gas outburst danger by electromagnetic wave penetrating.
介绍了德国在煤与瓦斯突出危险的研究过程中,用计算方式求煤层瓦斯压力的方法,并对其结果进行了分析对比。
The paper describes the computation method of seam gas pressure in the research on gas and coal outburst in Germany. Analysis and comparison are made on the obtained results.
首先探讨了煤层突出危险性的影响因素,并确定了煤层突出的主控因素。
Influence factors of coal seams outburst risk were discussed, and the control factors affecting coal seams outburst was selected.
煤层小断层对矿井煤与瓦斯突出及矿井突水防治具有重要的实际意义。
Little faults in coal seam are important for coal and gas outburst prevention and control, and water outburst prevention and control.
为了快速、有效地消除煤巷掘进工作面的突出危险性,结合六矿煤层赋存特点,采取水力挤出消突措施。
In order to removing tunneling working surface outburst quickly and effectively, combine the Six Mineral coal beds characteristics, hydraulic pressing are taken to remove outburst measure.
具突出危险性的厚煤层采用综采放顶煤开采法对消突是有积极作用的。
Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard.
戊9 - 10煤层分叉合并线附近为煤与瓦斯突出带,其他煤层分叉合并线附近可能形成煤与瓦斯突出危险带。
The neighborhood of branching mergence line of Wu 9-10 coal bed is the belt of gas outburst and the counterparts of other coal beds may be the dangerous belts of gas outburst.
研究含瓦斯煤层所处的地球物理场对煤瓦斯吸附特性的影响,对煤矿安全开采、煤瓦斯的抽放利用以及煤瓦斯突出的预测预报具有重要意义。
It is very important to mine safe exploitation, gas drawing and predict of coal and gas outburst that adsorption characteristics of coal to gas in geophysical field are studied.
单侯矿井水文地质条件比较复杂,下部煤层受奥灰水威胁,薄隔水层带压开采问题非常突出。
The hydrogeologic condition of Danhou mine is complex, and the sublevel coal is threatened by O. L. water. It is very difficult that thin confining bed coal is mined under pressure.
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The research has great significance for gas exploration in coal bed, underground gasification of coal and preventi…
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一,且是一种复杂的动力现象,是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The research has great significance for gas exploration in coal bed, underground gasification of...
比较了几个主要突出矿区突出危险煤层与非突出危险煤层煤样的瓦斯成分。
Comparisons of the gas composition of the samples from the coal seams liable and not liable to outburst in several major coal fields have been made.
突出危险煤层的安全、高效开采是突出矿井提高经济效益的重要措施。
The safe and efficient mining of outburst-prone coal seams is an important means to improve economic benefit of an outburst mine.
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