2019415 · Highlights • Comprehensive analysis was performed on respirable dust samples from eight Appalachian coal mines. • Results indicated four major sources of particulates: the coal seam, rock strata, rock dusting, and diesel emissions. • Particles from each source generally had different size distributions, with substantial submicron number …
view more2024130 · This book aims to provide comprehensive knowledge and solutions on carbon monoxide exceeding limits for coal mine safety management and technical personnel, in order to provide scientific basis for ensuring coal mine safety production and ecological environment.
view more2024112 · In a significant move towards ensuring responsible and environmentally conscious coal mine closures, the Ministry of Coal has spearheaded initiatives to address abandoned and closed mines. Historically, mine closures have been characterized by uncontrolled processes, leaving equipment and materials abandoned and mine sites …
view more202076 · Therefore, the management of spatial information in open-pit mines is much simpler than that of underground mines. In underground coal mines, the data points, such as borehole and underground tunnel geological logging data, reveal the geometry of the coal seam, where other strata are less than the distribution range of the coal.
view more202397 · Hence, it is essential to conduct a comprehensive and rigorous assessment of these impacts to provide valuable insights to policymakers, industries, and communities, enabling them to adopt effective mitigation strategies. The health implications of coal mining and utilization are considerable and diverse.
view more2021111 · Abstract For the characteristics of high frequency and strong suddenness of dynamic disasters in deep coal mines, the traditional detection and evaluation techniques applied to shallow coal mine failed to accurately judge the risk degree of disasters.
view more2009519 · ABSTRACT. There are large numbers of roadway intersections constructed annually in Chinese coal mines with various geometries, such as, three-way intersection, four-way intersection, two dimensional roadway intersection and three dimensional roadway intersection, etc. With continually increasing the depth of cover, the …
view more2021316 · Abstract For the sustainability of lignite and coal mining, engineers need the soils' appropriate geotechnical characterisation of the excavations. This characterisation relates to the slope stability, the overall area stability, and the sustainable exploitation of mining areas during operational and post-closure eras. This work presents a novel …
view more202361 · Evolution of mining-induced water inrush disaster from a hidden fault in coal seam floor based on a coupled stress–seepage–damage model Jianli Shao Qi Zhang Wenquan Zhang Research Open Access Published: 23 April 2024 Article: 78
view moreThe geological condition is essential for mining design and disaster control in underground coal mines. The present research focuses on the real-time assessment method on rock mass condition during d...
view moreBased on over 30 years' experiences in design, production and service of crushing and s
GET QUOTE