Course Details
Subject {L-T-P / C} : MN6162 : Advanced Coal Mining { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Dr. Sahendra Ram
Syllabus
Extraction of thick seams: Problems and issues, recent experimental trials Chirimiri caving Method, Blasting Gallery Method, Integral Caving method, Sublevel caving method, Hydraulic Mining, Shield Mining.
Extraction underneath surface features: Non-Effective width (NEW), Back filling methods, Wide stall mining.
Extraction of multiple seams: Problems and issues, recent experimental trials, Parting failures and control, design of workings.
Extraction of locked up pillars: Status of Bord and Pillar mining in India, techniques of extraction and future requirements.
Support systems: Strata behaviour at greater depths, problems of strata control in high horizontal stress fields, design of support system.
Course Objectives
- To understand problems and issues for extraction of thick and complex deposit of coal seams at different depth of covers.
- To understand suitable mining methods for safe and efficient extraction of coal from underground mine under different geo-mining condistions
- To understand latest/novel developed mining methods and technologies for extraction of coal from underground mines.
- To understand design of support system including strata control approaches for shallow and deeper mining.
Course Outcomes
1. To understand problems in extraction of seams and design of workings. <br />2. Analyze design requirement of support system to deal with typical coal mining conditions.
Essential Reading
- R. D. Singh, Principles & Practices of Modern Coal Mining, New age international New Delhi , 1997
- T. N. Singh, Underground winning of Coal, Oxford and IBH New Delhi , 1992
Supplementary Reading
- D. J. Deshmukh, Elements of Mining Technology, Vol - I, EMDEE publishers Ranchi , 2000
- S. K. Das, Modern Coal Mining Technology, Lovely Prakashan, Dhanbad , 1992
Journal and Conferences
- International Journal of Rock Mechanics and Mining Sciences
- International Joournal of Mining Science and Technolgy