June 2015
Volume 67    Issue 6

Effects of major mining and geological factors on overburden movement and shield capacity in longwall mining

Mining Engineering , 2015, Vol. 67, No. 6, pp. 58-58
Peng, Syd; Huamin, Li; Junfa, Feng; Feng, Du; Li, Li; Dongjie, Jiang


The Ordos coal field is located in the northern midwestern part of China (Fig. 1). Since the mid-1980s, it has been developed into one of the major coal fields in the world, producing approximately 833 Mt (918 million st) of raw coal in 2013. There were once more than 400 coal mines operating in the region. However, due to the combination of market conditions and implementation of government consolidation policies, the number of coal mines operating in recent years has been reduced considerably, with increasing output.

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