Experimental Study on Dynamic Response and Damage Evolution of Coal under Shocks by Multiple High-Pressure Air Blasting

<div>HPAB test system. 1: air compressor; 2: air booster pump; 3: autoclave; 4: dynamic strain gauge; 4: high-speed solenoid valve; 5: bidirectional compression system; 6: confining pressure device; 7: Ye5853A signal amplifier; 8: DH5922N dynamic strain gauge.</div>

Geofluids

fig1

Figure 1

Figure 1: Experimental Study on Dynamic Response and Damage Evolution of Coal under Shocks by Multiple High-Pressure Air Blasting 