Safe & Sustainable Underground Mining at Manganese Ore (India) Limited

摘要

MOIL is engaged in producing manganese ore since middle of 19~(th) century.It operates 7 underground & 3 opencast mines in the state of Madhya Pradesh & Maharashtra. The underground mines are operated at shallow to moderate depths. Asia's deepest underground manganese mine is situated at Balaghat, Madhya Pradesh. In tune with present market scenario, MOIL is augmenting the production from the underground workings by adopting rock mechanics studies & instrumentation for strata control. Horizontal Cut & Fill (HCF) mining with passive timber support now has been replaced with advanced techniques of pre-mining supportfor reinforcement underground structures. This has changed the total underground mining operations and has improved the safety and productivity considerably. This paper deals with satisfactory result of support system in weak rock mass condition that could change the future underground method of mining in manganese ore.