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.

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.

1. To understand problems in extraction of seams and design of workings.
2. Analyze design requirement of support system to deal with typical coal mining conditions.

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

D. J. Deshmukh, Elements of Mining Technology, Vol - I, EMDEE publishers Ranchi , 2000

S. K. Das, Modern Coal Mining Technology, Lovely Prakashan, Dhanbad , 1992

International Journal of Rock Mechanics and Mining Sciences

International Joournal of Mining Science and Technolgy