An Experimental Study of the Uniaxial Failure Behaviour of Rock-Coal Composite Samples with Pre-existing Cracks in the Coal

<div>Macrofailure initiation of the rock-coal composite sample [<a href="/journals/ace/2019/8397598/#B5">5</a>].</div>

Advances in Civil Engineering

Figure 5: An Experimental Study of the Uniaxial Failure Behaviour of Rock-Coal Composite Samples with Pre-existing Cracks in the Coal 