working methods in coal mines in india

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    Longwall mining - Wikipedia
    Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6 – 1.0 m thick). The longwall panel (the block of coal that is being mined) is typically 3 – 4 km long and 250 – 400 m wide.

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    Coal India - Wikipedia
    Coal India Limited (CIL) is an Indian state-controlled coal mining company headquartered in Kolkata, West Bengal, India and the largest coal-producing company in the world and a maharatna company.

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    EVALUATION OF BORD AND PILLAR MINING
    EVALUATION OF BORD AND PILLAR MINING SYSTEM IN MCL COAL MINES This is to certify that the thesis entitled “EVALUATION OF BORD AND PILLAR MINING SYSTEM IN MCL COAL MINES” submitted by Sri Ram chandra Nayak, Roll No. 10605015 & So proper designing of a pillar is necessary for successful Bord and Pillar working. Many methods

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    Underground coal mining in india - SlideShare
    Underground coal mining in India – Technological option and challenges ahead MD. Suresh KumarAbstractW orld coal institute estimates coal is the major contributor for energy generation to the tune of 60% and remaining from gas, diesel, nuclear, wind and hydel.

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    Design of Bord and Pillar method in coal mines -
    INTRODUCTION In India, about 98% of underground output of coal is obtained by Bord and Pillar method and barely about 2% by longwall methods. The other countries where Bord and Pillar method predominates are Australia, The USA and South Africa.

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    Characterization of coal mine panels in bord and
    of the mines in India are worked by the bord and pillar method of mining, our model has been designed for this method to serve a maximum number of mines. Among the systems of extraction in the bord and pillar Characterization of coal mine panels in bord and pillar working

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    Safety concerns: Inside India’s mines, a worker dies every
    Progressive improvements in the safety standard of India’s coal mines notwithstanding, every ten days last year there was a mining fatality in the country. And every third day last year, on an average, there was a serious accident in the coal mining sector — making it arguably the most dangerous

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    Coal mining
    Choosing a mining method. In underground coal mining, the working environment is completely enclosed by the geologic medium, backfilling is practiced in many mining countries (e.g., Poland, India), but the cost of production is much higher with backfilling than it is without.

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    Coal mining in India - Wikipedia
    Another enactment, namely the Coal Mines (Taking Over of Management) Act, 1973, extended the right of the Government of India to take over the management of the coking and non-coking coal mines in seven States including the coking coal mines taken over in 1971.

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    Underground mining of thick coal seams - ScienceDirect
    This paper reviews underground mining methods for total thickness of a thick coal seam in single lift (TTTCSSL). Review shows the required engineering for extraction of thick seams needs to be fitted with thickness of the seam, behavior of rock-mass and surrounding stress conditions for efficient mining.

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    VIEWS ON MINE SAFETY IN INDIA
    Coal Mines Nationalised. Presently 87 minerals of commercial importance (4 Fuel, 11 Metal, 50 Non- Mining industry in India.. and now----- Safe working methods PHMP PHMPRisk assessment TARP Standard Operating Procedure SWI/SWG Standard Guidelines

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