Modeling Seismic Vibrations under Massive Blasting in Underground Mines,Journal of Mining Science

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Modeling Seismic Vibrations under Massive Blasting in Underground Mines
Journal of Mining Science ( IF 0.8 ) Pub Date : 2020-01-01 , DOI: 10.1134/s1062739120016454
A. N. Kholodilov , A. P. Gospodarikov

The theoretical model is proposed, which allows tracing continuation of seismic vibrations after cessation of blast load by the analysis of velocigrams recording on ground surface during underground explosions. The comparison of the model and experimental velocigrams of massive blasts shows validity of elliptical filters for second-order low frequencies in modeling waveforms of the velocigrams. The model efficiency in the detection of time-delay errors is proved. The conditions of predicting peak particle velocities based on explosive weight per blast are determined. The pre-conditions for the resonance excitation in the rock mass-guarded object system are discussed, and the blast-induced load is predicted.

更新日期：2020-01-01

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