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Journal of Mining and Environment، جلد ۱۶، شماره ۵، صفحات ۱۵۹۱-۱۶۰۵
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عنوان انگلیسی Cut Out Distance – A Critical Parameter for Mechanized Depillaring by Continuous Miner
چکیده انگلیسی مقاله India's growing energy demand has intensified the need for efficient and safe coal extraction methods, particularly in underground mining, where mechanized depillaring using Continuous Miner (CM) technology has gained prominence. This study explores the critical role of Cut-Out Distance (COD) in optimizing production and ensuring safety during mechanized depillaring operations. COD, defined as the stable drivage length that can be cut without support, directly impacts productivity, roof stability, and operational safety. Despite its importance, there are no standardized guidelines for determining COD in Indian coal mines, leading to trial-and-error practices that compromise efficiency and safety. This paper reviews global and domestic practices, highlighting the inadequacies in existing methods for COD estimation. It identifies key factors influencing COD, including Rock Mass Rating (RMR), roof elasticity, geological conditions, and machinery capabilities. The work also examines case studies of strata control failures in Indian coal mines, highlighting the consequences of improper strata assessment in mines. The research work advocates for the development of standardized guidelines tailored to Indian mining conditions by integrating numerical simulations and machine learning tools for precise COD estimation. A flow chart of methodology for the development of guidelines is proposed; the findings aim to enhance safety, reduce accidents, and improve productivity, paving the way for sustainable growth in India's underground coal mining sector.
کلیدواژه‌های انگلیسی مقاله Cut out distance,Mechanized Depillaring,Continuous Miner,Roof Stability,Strata behavior
نویسندگان مقاله Manthri Rakesh |
Department of Mining Engineering, National Institute of Technology Raipur, Raipur, India

Ashish Kumar Dash |
Department of Mining Engineering, National Institute of Technology Raipur, Raipur, India

Sunny Murmu |
Department of Mining Engineering, National Institute of Technology Raipur, Raipur, India

نشانی اینترنتی https://jme.shahroodut.ac.ir/article_3462_0ca3a609933f1e106688622faafa1e79.pdf
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