engleski

Dynamic influence of blastig on tunnel support system

This article describes the effects of blasting at very close distances to a rocks support in tunnel Sv. Rok. The potential problem of damage to surrounding rock was recognised. It is well known that the ground vibration particle velocity due to a blast is a measure of the damage on nearby construction. The article describes the conclusions derived from measurement monitored at close proximity to the blasting, damage level criteria for the Sv. Rok rock mass and how these results could assist further development in the control of blasting technique.

blasting; seismic effects; explosives; tunnel support system

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