A nearly horizontal coal seam having 10 degrees dip is lying below the 75 m overburden....
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A nearly horizontal coal seam having 10 degrees dip is lying below the 75 m overburden. Find out the overall stripping ratio based on the following information: a. Seam thickness: 20 m b. Strike length of the coal seam: 1.5 km C. Horizontal extend of the coal seam: 2.0 km d. Overall pit slope angle. 40 degrees e Density of the coal and overburden are 2200 kg/m and 2300 kg/m respectively. Coal recovery: 80% Assume all other relevant information as per your judgment. A nearly horizontal coal seam having 10 degrees dip is lying below the 75 m overburden. Find out the overall stripping ratio based on the following information: a. Seam thickness: 20 m b. Strike length of the coal seam: 1.5 km C. Horizontal extend of the coal seam: 2.0 km d. Overall pit slope angle. 40 degrees e Density of the coal and overburden are 2200 kg/m and 2300 kg/m respectively. Coal recovery: 80% Assume all other relevant information as per your judgment.
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Given seam thickness t20 m the strike length of the coal seam b15 km 1500 m Horizontal extend of ... View the full answer
Related Book For
Fundamentals of Corporate Finance
ISBN: 978-0077861629
8th Edition
Authors: Stephen A. Ross, Randolph W. Westerfield, Bradford D.Jordan
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