Figure 19

Blasting statistics of Lushan tunnel site. (a) Inspection and blasting program 1. (b) Inspection and blasting program 2. (c) Post-blasting debris 1. (d) Post-blasting debris 2.
Blasting statistics of Lushan tunnel site. (a) Inspection and blasting program 1. (b) Inspection and blasting program 2. (c) Post-blasting debris 1. (d) Post-blasting debris 2.