Prediction of near field overpressure from quarry blasting

Segarra Catasús, Pablo and Domingo Perlado, Jesus Felix and López Sánchez, Lina María and Sanchidrián Blanco, José Angel and Ortega Romero, Marcelo (2010). Prediction of near field overpressure from quarry blasting. "Applied Acoustics", v. 71 (n. 12); pp. 1169-1176. ISSN 0003-682X. https://doi.org/10.1016/j.apacoust.2010.07.008.

Description

Title: Prediction of near field overpressure from quarry blasting
Author/s:
  • Segarra Catasús, Pablo
  • Domingo Perlado, Jesus Felix
  • López Sánchez, Lina María
  • Sanchidrián Blanco, José Angel
  • Ortega Romero, Marcelo
Item Type: Article
Título de Revista/Publicación: Applied Acoustics
Date: December 2010
ISSN: 0003-682X
Volume: 71
Subjects:
Faculty: E.T.S.I. Minas (UPM)
Department: Ingeniería Química y Combustibles [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper investigates the propagation of airblast or pressure waves in air produced by bench blasting (i.e. detonation of the explosive in a row of blastholes, breaking the burden of rock towards the free vertical face of the block). Peak overpressure is calculated as a function of blasting parameters (explosive mass per delay and velocity at which the detonation sequence proceeds along the bench) and the polar coordinates of the position of interest (distance to the source and azimuth with respect to the free face). The model has been fitted to empirical data using linear least squares. The data set is composed of 122 airblast records monitored at distances less than 400 m in 41 production blasts carried out in two quarries. The model is statistically significant and has a determination coefficient of 0.87. The formula is validated from 12 airblast measurements gathered in five additional blasts.

More information

Item ID: 15734
DC Identifier: http://oa.upm.es/15734/
OAI Identifier: oai:oa.upm.es:15734
DOI: 10.1016/j.apacoust.2010.07.008
Official URL: http://www.sciencedirect.com/science/article/pii/S0003682X10001726
Deposited by: Memoria Investigacion
Deposited on: 24 Jun 2013 11:11
Last Modified: 21 Apr 2016 16:01
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