Study on the Influence of Different Prophase Stress Levels on the Fatigue Damage Characteristics of Granite

Figure 10

The relationship between elastic energy and prophase stress level. (a) Upper limit of cyclic stress 105 MPa. (b) Upper limit of cyclic stress 115 MPa. (c) Upper limit of cyclic stress 125 MPa.

(a)

(b)

(c)