Statistical methods applied to evaluate blasting seismic vibration

The present paper analyses multivariate statistical methods applied to evaluate blasting seismic vibration in quarries. Principal components analysis and multigroups discriminate analysis were used. Blast pattern and properties of rock body were the variables used in the present study. Data consider...

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Main Authors: Denise de La Corte Bacci, Paulo Milton Barbosa Landim
Format: Article
Language:English
Published: Universidade de São Paulo 2016-04-01
Series:Geologia USP. Série Científica
Subjects:
Online Access:http://www.revistas.usp.br/guspsc/article/view/113865
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author Denise de La Corte Bacci
Paulo Milton Barbosa Landim
author_facet Denise de La Corte Bacci
Paulo Milton Barbosa Landim
author_sort Denise de La Corte Bacci
collection DOAJ
description The present paper analyses multivariate statistical methods applied to evaluate blasting seismic vibration in quarries. Principal components analysis and multigroups discriminate analysis were used. Blast pattern and properties of rock body were the variables used in the present study. Data consider the peak particle velocity, in mm/s and frequency, in Hertz, collected by the seismograph monitoring in an urban quarry at Campinas municipality, São Paulo, Brazil. In view of the great number of variables, it was impossible to correlate them without the multivariate analyses. The results obtained with principal component analysis shower distance as the most important factor in the attenuation of ground vibration. Discriminate analysis shower the charge weight per delay as the most important variable to separate the four groups of data, followed by thickness of soil overburden and distance. Properties of the rock body (orientation, frequency and angle of geological discontinuities and soil overburden) have influence in the ground vibration, increasing or reducing its level, depending on the direction of wave propagation. The analyses gave a better comprehension of the ground vibration process correlating physics data with measured parameters
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spelling doaj.art-2cb68fe53b314ab192e66de23a565a5d2022-12-22T02:00:56ZengUniversidade de São PauloGeologia USP. Série Científica2316-90952016-04-0116110.11606/issn.2316-9095.v16i1p101-120Statistical methods applied to evaluate blasting seismic vibrationDenise de La Corte BacciPaulo Milton Barbosa LandimThe present paper analyses multivariate statistical methods applied to evaluate blasting seismic vibration in quarries. Principal components analysis and multigroups discriminate analysis were used. Blast pattern and properties of rock body were the variables used in the present study. Data consider the peak particle velocity, in mm/s and frequency, in Hertz, collected by the seismograph monitoring in an urban quarry at Campinas municipality, São Paulo, Brazil. In view of the great number of variables, it was impossible to correlate them without the multivariate analyses. The results obtained with principal component analysis shower distance as the most important factor in the attenuation of ground vibration. Discriminate analysis shower the charge weight per delay as the most important variable to separate the four groups of data, followed by thickness of soil overburden and distance. Properties of the rock body (orientation, frequency and angle of geological discontinuities and soil overburden) have influence in the ground vibration, increasing or reducing its level, depending on the direction of wave propagation. The analyses gave a better comprehension of the ground vibration process correlating physics data with measured parametershttp://www.revistas.usp.br/guspsc/article/view/113865Statistical methodsGround vibrationQuarryBlastingExplosives
spellingShingle Denise de La Corte Bacci
Paulo Milton Barbosa Landim
Statistical methods applied to evaluate blasting seismic vibration
Geologia USP. Série Científica
Statistical methods
Ground vibration
Quarry
Blasting
Explosives
title Statistical methods applied to evaluate blasting seismic vibration
title_full Statistical methods applied to evaluate blasting seismic vibration
title_fullStr Statistical methods applied to evaluate blasting seismic vibration
title_full_unstemmed Statistical methods applied to evaluate blasting seismic vibration
title_short Statistical methods applied to evaluate blasting seismic vibration
title_sort statistical methods applied to evaluate blasting seismic vibration
topic Statistical methods
Ground vibration
Quarry
Blasting
Explosives
url http://www.revistas.usp.br/guspsc/article/view/113865
work_keys_str_mv AT denisedelacortebacci statisticalmethodsappliedtoevaluateblastingseismicvibration
AT paulomiltonbarbosalandim statisticalmethodsappliedtoevaluateblastingseismicvibration