Abstract:
To effectively control the blasting seismic effect produced during blasting construction, different vibration reduction tests of some typical blasting vibration controlling technologies, including electronic detonator initiating, damping hole method, air cushion method and different initiating directions, were carried out. The change law of typical vibration parameters such as particle vibration velocity, vibration reduction ratio and vibration attenuation coefficient were obtained. Results show that these vibration reduction technologies can produce a certain damping effect under corresponding conditions. In the actual engineering blasting construction, geological conditions and surrounding environmental factors should be considered and the appropriate blasting vibration controlling technology should be chosen.