alexa Ground Vibrations and Air Blast Effects Induced by Blas
ISSN: 2381-8719

Journal of Geology & Geophysics
Open Access

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Research Article

Ground Vibrations and Air Blast Effects Induced by Blasting in Open Pit Mines: Case of Metlaoui Mining Basin, Southwestern Tunisia

Monia Aloui1*, Yannick Bleuzen2, Elhoucine Essefi3 and Chedly Abbes1

1Faculty of Sciences of Sfax, Road Soukra, Sfax 3038, Tunisia

2Society of Mining and Industrial Engineering, ZA Brushes 2, 9 Rue de la Hyssop 37270 Larcay, Tunisia

3National Engineering School of Sfax, University of Sfax, Tunisia

*Corresponding Author:
Monia Aloui
Faculty of Sciences of Sfax, Road Soukra, Sfax 3038, Tunisia
Tel: +21697029051
Fax: +21674667425
E-mail: [email protected]

Received January 01, 2016; Accepted May 18, 2016; Published May 23, 2016

Citation: Aloui M, Bleuzen Y, Essefi E, Abbes C (2016) Ground Vibrations and Air Blast Effects Induced by Blasting in Open Pit Mines: Case of Metlaoui Mining Basin, Southwestern Tunisia. J Geol Geophys 5:247. doi:10.4172/2381-8719.1000247

Copyright: © 2016 Aloui M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Blasting is widely used in quarries and mining production processes. It is the beneficial industrial technology which provides achievement of expected results in a short period of time with relatively low cost. Never one less, blasts produce undesirablevibrations and sounds. This current investigation reports the ground motion and airblast over pressure measurements around the open pit mine nearby Metlaoui village (south-western Tunisia). An empirical relation proposed by USBM was utilized to calculate K (site constant) and n (slope of the PPV vs scaled distance) and verifies whether the recorded shots overcame the thresholds indicated by DIN and USBM. The site parameters obtained provide us with the propagation equation of the blast induced seismic waves in the study site. Also, an overview of frequency for the study area revealed the dominance of low frequencies (>40 Hz). Such values can cause damage to the nearby structures when a specific PPV value is reached by blasting. Moreover, it has been demonstrated in this study that all over pressure magnitudes are less than 134 dB, which is the safe limit of air blast level.

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