Study on Dynamic Characteristics of Deep Siltstone under High Static Stress and Frequent Dynamic Disturbance

Figure 4

The stress-time curve of the impact test. (a) The typical stress-time curves of rock sample under the combined action of 65 MPa axial static load and disturbance impact. (b) The stress-time curve of rock sample ss1-3 under high static stress and dynamic impact load (the second impact).

(a)

(b)