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Top Coal Caving Mining Method

Longwall Top Coal Caving The Longwall Top Coal Caving LTCC roof support allows mining to a total seam height of more than 10 m 33 ft by using a longwall shearer to cut the bottom 2.80 3 m 9.20 9.80 ft and then caving the top coal behind the roof supports onto a rear AFC. This type of longwall is in service. Get Price

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