Comprehensive Mechanized Top Coal Caving Mining Technology for Extra-thick and Hard Coal Seam

Author: Zhang Wenjiang
Publisher:
Publish Date: 2004-05-01
Features: The book proposes a three-level evaluation method for the caving behavior of top coal in thick and hard coal seams, addresses the fully mechanized caving mining of high-gas coal seams, and introduces dust control and fire prevention technologies in fully mechanized caving mining.