Stability Assessment of the Excavated Rock Slope at the Dagangshan Hydropower Station in China Based on Microseismic Monitoring

Figure 15

Distribution of the minimum principal stress (a, c, e, g) and AE (b, d, f, h) during the progressive failure processes.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)