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Energies 2016, 9(8), 617; doi:10.3390/en9080617

Some Models for Determination of Parameters of the Soil Oscillation Law during Blasting Operations

1
Faculty of Mining and Geology, Djušina 7, Belgrade 11000, Serbia
2
Volmont Ltd., Ustanička 128a, Belgrade 11000, Serbia
*
Authors to whom correspondence should be addressed.
Academic Editor: Peter V. Schaeffer
Received: 11 April 2016 / Revised: 15 July 2016 / Accepted: 22 July 2016 / Published: 4 August 2016
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Abstract

In order to evaluate and control the seismic effect of blasting, as well as its planning, it is required to determine the soil oscillation law, with the strike/mining facilities to be protected. One of the most commonly used equations is that of M.A. Sadovskii, defining the law of alteration in the oscillation velocity of the soil depending on distance, the explosive amount, and conditions of blasting and geologic characteristics of the soil; all of this being determined on the basis of test blasting for the specific work environment. In the Sadovskii equation two parameters, K and n appear and they are conditioned both by rock mass characteristics and blasting conditions. The practical part of this study includes experimental investigations performed in the Veliki Krivelj Open Pit in the Bor District located in Eastern Serbia and investigations carried out during mass mining in the Kovilovača Open Pit near Despotovac, Eastern Serbia. Thus this paper offers several modes for determination of parameters K and n in the Sadovskii equation. To determine the parameters in the Sadovskii formula, in addition to the usual least square method, two more new models were applied. In the models the parameters K and n were determined by applying the quotient of the relative growth of oscillation velocities and reduced distances for Model 2. The link between the parameters K and n is determined by applying the trapezoidal formula for finding the value of definite integral for Model 3. In doing so, it was noted that all three models can be used to calculate the oscillation velocity of the rock mass. View Full-Text
Keywords: working environment; blasting; seismic effect; oscillation velocity; soil oscillation law working environment; blasting; seismic effect; oscillation velocity; soil oscillation law
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MDPI and ACS Style

Lutovac, S.; Medenica, D.; Gluščević, B.; Tokalić, R.; Beljić, Č. Some Models for Determination of Parameters of the Soil Oscillation Law during Blasting Operations. Energies 2016, 9, 617.

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