January 2013

Chronological development in coal pillar design for bord and pillar workings: A critical appraisal

  In this study, proper design of coal pillar has ever remained a difficult and challenging task because of two conflicting objectives, namely the conservation of coal on one hand that requires coal pillars to be of minimum size and stability of pillars, and on the other hand that ensures safety of working. The complex loading conditions, the occurrence of seams in close succession and geological abnormalities...

Author(s): M. Jawed, R. K. Sinha and S. Sengupta

January 2013

Performance simulaton of surface miners with varied machine parameters and rock conditions: Some investigations

  Application of surface miners is gaining popularity in different surface mines of India due to the wide range of advantages offered by them. More than 100 surface miners are operating in India in different coal, limestone and bauxite mines today. For new start-ups, however, it is imperative to select appropriate specifications of surface miner considering the rock/rockmass properties for a given production...

Author(s): Prakash Amar, Murthy Vemavarapu Mallika Sita Ramachandra and Singh Kalendra Bahadur