Experimental Study on Properties of Rock-Cemented Coal Gangue-Fly Ash Backfill Bimaterials with Different Coal Gangue Particle Sizes

<div>Coarse sandstone-CGFB composite samples with different coal gangue particle sizes.</div>

Advances in Civil Engineering

Figure 4: Experimental Study on Properties of Rock-Cemented Coal Gangue-Fly Ash Backfill Bimaterials with Different Coal Gangue Particle Sizes 