Analysis of Cumulative Damage for Shared Rock in a Neighborhood Tunnel under Cyclic Blasting Loading Using the Ultrasonic Test

<div>Relation curves between ultrasonic wave velocity and hole depth (<i>L</i>2).</div>

Shock and Vibration

Figure 9: Analysis of Cumulative Damage for Shared Rock in a Neighborhood Tunnel under Cyclic Blasting Loading Using the Ultrasonic Test 