Back Analysis and Calculation of Dynamic Mechanical Parameters of Rock Mass with Measured Blasting Vibration Signals

Figure 2

Example of identification results by using CF and , respectively. (a) Example of time history of vibration velocities; (b) time history of three identification parameters of D(t), P(t) and E(t); (c) identification results of two different functions (CF and ).

(a)

(b)

(c)