Experimental Investigation of Sandstone under Cyclic Loading: Damage Assessment Using Ultrasonic Wave Velocities and Changes in Elastic Modulus

<div>Graphs showing damage variables versus axial stress for the loading cycles of (a) Type 1 tests; (b) Type 2 tests.</div>

Shock and Vibration

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Figure 7

Figure 7: Experimental Investigation of Sandstone under Cyclic Loading: Damage Assessment Using Ultrasonic Wave Velocities and Changes in Elastic Modulus 

Figure 7 | Experimental Investigation of Sandstone under Cyclic Loading: Damage Assessment Using Ultrasonic Wave Velocities and Changes in Elastic Modulus 