Deformation Forecasting of Surrounding Rock Mass Based on Correlation between Frequency and Fracture Scale of Microseismicity

Figure 8

The accumulative variation of dominant frequency of MS signals: (a) date time: 26/11/2013∼27/11/2013, (b) date time: 26/11/2013∼30/11/2013, (c) date time: 26/11/2013∼4/12/2013, and (d) date time: 26/11/2013∼14/12/2013.

(a)

(b)

(c)

(d)