Study on Blasting Vibration Source

摘要

By analyzing analytically the behaviors of the elastic wave radiation from a loaded cavity, the main assertion of the source model of blasting vibration proposed in Ding et al. (2002) is made in evidence, i. e. it is confirmed that the vibrating signals away from the blasting explosive retain the characteristics of the natural vibrations of the geological structures near the broken (blasted) region, the source impulse are not spread mainly by the inelastic properties (such as through media damping, as believed to be the case by many researchers) of the medium in the propagation pass, but by this structure.