Experimental and Numerical Analysis on the Damage and Failure Characteristics of Bituminous Coal under Multilevel Cyclic Loads

<div>Location of coal sample collection: (a) location of Chifeng City on the map of China, (b) location of Chifeng City in Inner Mongolia, (c) the mine range of Yuanbaoshan open-pit mine on Google Earth map, and (d) sampling location.</div>

Advances in Materials Science and Engineering

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Figure 1

Figure 1: Experimental and Numerical Analysis on the Damage and Failure Characteristics of Bituminous Coal under Multilevel Cyclic Loads 