[Retracted] Mining Stress Distribution in Stope and Overlying Rock Fracture Characteristics and Its Disaster-Pregnant Mechanism of Coal Mine Earthquake

Figure 10

Curves of stress, strain, strain rate, and energy during the coal mine earthquake gestation process. (a) Time history curve of strain. (b) Time history curve of stress. (c) Time history curve of energy. (d) Time history curve of strain rate.

(a)

(b)

(c)

(d)