Numerical Simulation on Selection of Optimal Delay Time for Precise Delay Blasting

Table 3

Comparison of parameters under four kinds of delay time.

Interhole delay time (ms)	Crack penetration time (μs)	Maximum stress (MPa)
0	19	147.6
9	10.3 × 10^3	50.7
12	13 × 10^3	56.6
15	17 × 10^3	49.1