Assessment of potential impacts to surface and subsurface water bodies due to longwall mining

来源 :矿业科学技术学报:英文版 | 被引量 : 0次 | 上传用户:gaolch012
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Ground movements due to longwall mining operations have the potential to damage the hydrological balance within as well as outside the mine permit area in the form of increased surface ponding and changes to hydrogeological properties. Recently, the Offic
其他文献
Particle size distribution of coarse aggregates through mechanical sieving gives results in terms of cumulative mass percent. But digital image processing gener
Longwall Top Coal Caving has been considered as one of the most effective technologies for the extraction of underground thick coal seams. A large number of stu
Roadways excavated through a coal seam can exert an adverse effect on roadway stability. To investigate the effects of in-situ stress on roadway stability, nume
As a contributing factor in the dynamic failure(bumping) of coal pillars,a bump-prone coal seam has been described as one that is ‘‘uncleated or poorly cleate
Coal and gas outburst is an extremely complex dynamic disaster in coal mine production process which will damage casualties and equipment facilities, and disord
A coal outburst is a severe safety hazard in room-and-pillar mining under deep cover. It is more likely to occur during pillar retreating. Multi-seam mining dra
基于大学英语AB级考试在全国高职院校范围内普及率较高的现状,高职英语AB级考试辅导模式需要朝着高效、互动式、个性化的方向改革。可借助信息技术手段,研究和推广适应时代发
This paper focuses on anisotropy of coal permeability and its stress sensitivity.Coal blocks were taken from Xinjing Coal Mine in Yangquan Coal District.Coal co
Expandable rock bolts are widely used in hard rock mines as an efficient ground control product.However,capacity and service life can be significantly reduced i