February 2021
Volume 73    Issue 2

Coal pillar extraction under weak roof

Singh, Arun Kumar; Kumar, Ashok; Kumar, Dheeraj; Singh, Rajendra; Ram, Sahendra; Kumar, Rakesh; Singh, Amit Kumar

ABSTRACT:

This paper describes the successful mechanized extraction of coal pillars in 11 panels using the fish-tail method from 2010 to 2017 at Pinoura Mine in India. This method proved its potential of coal recovery with efficient strata control under weak roof due to faster rate of extraction in a single lift. Observations of strata and snook behavior during the field studies in different panels of the mine are included.

 

Full-text paper:
Mining, Metallurgy & Exploration (2020) 37:1451–1459, https://doi.org/10.1007/s42461-020-00277-8

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