Study on Attenuation Law of Blasting Vibration in Open-pit Mine
The attenuation coefficient and the prediction model of blasting vibration velocity which haved been selected in accor-dance with the engineering geologic condition,haved great significance for blasting design and controlling the harmful effects of blasting.Using the nonitoring data of blasting vibration,the attenuation law of blasting vibration was obtained by analyed the em-pirical formula of blasting vibration through linear regression and nonlinear regression methed.The results showed that the linear prediction model which was considering elevation effct refiected the obvious significance,and its average deviation was only 3.09%,and the prediction accuracy of the linear predicition model was higher than the traditional empirical formula.The results will provide guidance for blasting design and construction for open-pit mine.
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