Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils

The appropriate sizing of the strutting sections of a tunnel depends on the adequacy of the parameters initially used to perform the calculation. A very common practice in underground engineering is to make an estimation of the strutting through the use of geomechanical classifications. Nowadays, th...

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Autores principales:	Castro-Fresno,D, Diego-Carrera,R, Ballester-Muñoz,F, Álvarez-García,J
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2010
Materias:	Geomechanics tunnelling underground construction strutting quality index RMR-index Q-index
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2010000100012
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spelling	oai:scielo:S0718-915X20100001000122010-12-27Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality SoilsCastro-Fresno,DDiego-Carrera,RBallester-Muñoz,FÁlvarez-García,J Geomechanics tunnelling underground construction strutting quality index RMR-index Q-index The appropriate sizing of the strutting sections of a tunnel depends on the adequacy of the parameters initially used to perform the calculation. A very common practice in underground engineering is to make an estimation of the strutting through the use of geomechanical classifications. Nowadays, the most widely used classifications are Bieniawski's RMR Quality Index and The Barton et al. Q Quality Index. The research work carried out aims to provide a correlation between the two quality indexes, with the intention of supplying a tool to aid in both the design phase and the daily control of work execution. The formulas were obtained from the on-site observation of rocky masses of low and very low quality, so the application range extends to that kind of soils.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.9 n.1 20102010-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2010000100012en10.4067/S0718-915X2010000100012
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Geomechanics tunnelling underground construction strutting quality index RMR-index Q-index
spellingShingle	Geomechanics tunnelling underground construction strutting quality index RMR-index Q-index Castro-Fresno,D Diego-Carrera,R Ballester-Muñoz,F Álvarez-García,J Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
description	The appropriate sizing of the strutting sections of a tunnel depends on the adequacy of the parameters initially used to perform the calculation. A very common practice in underground engineering is to make an estimation of the strutting through the use of geomechanical classifications. Nowadays, the most widely used classifications are Bieniawski's RMR Quality Index and The Barton et al. Q Quality Index. The research work carried out aims to provide a correlation between the two quality indexes, with the intention of supplying a tool to aid in both the design phase and the daily control of work execution. The formulas were obtained from the on-site observation of rocky masses of low and very low quality, so the application range extends to that kind of soils.
author	Castro-Fresno,D Diego-Carrera,R Ballester-Muñoz,F Álvarez-García,J
author_facet	Castro-Fresno,D Diego-Carrera,R Ballester-Muñoz,F Álvarez-García,J
author_sort	Castro-Fresno,D
title	Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
title_short	Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
title_full	Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
title_fullStr	Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
title_full_unstemmed	Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils
title_sort	correlation between bieniawski's rmr and barton's q index in low-quality soils
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2010000100012
work_keys_str_mv	AT castrofresnod correlationbetweenbieniawskisrmrandbartonsqindexinlowqualitysoils AT diegocarrerar correlationbetweenbieniawskisrmrandbartonsqindexinlowqualitysoils AT ballestermunozf correlationbetweenbieniawskisrmrandbartonsqindexinlowqualitysoils AT alvarezgarciaj correlationbetweenbieniawskisrmrandbartonsqindexinlowqualitysoils
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Correlation between Bieniawski's RMR and Barton's Q Index in Low-Quality Soils

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