Research Article

Experimental Investigation on the Mechanical Response of Coals to Uniaxial Compression and Low-Speed Dynamic Loading

Figure 11

CT scan results of natural cracks in coals. The yellow color indicates the cracks. (a) Anthracite coal. (b) Bituminous coal. The subscript “1” represents the scanned coal cores, and the subscript “2” represents the cracks in coal cores.
(a)
(b)