Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method

The geotechnical characterization of coarse granular materials such as very coarse-grained soils, rockfills, mining waste rocks and related materials is one of the key themes in geotechnical engineering but least studied and developed. Although there are some geotechnical standards and accepted geot...

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Autores principales:	Dorador,Leonardo, Villalobos,Felipe A.
Lenguaje:	English
Publicado:	Universidad Católica de la Santísima Concepción 2020
Materias:	coarse granular materials parallel gradation method geotechnical characterization size-scaling shear strength particle breakage
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132020000100050
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spelling	oai:scielo:S0718-281320200001000502020-07-28Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation methodDorador,LeonardoVillalobos,Felipe A. coarse granular materials parallel gradation method geotechnical characterization size-scaling shear strength particle breakage The geotechnical characterization of coarse granular materials such as very coarse-grained soils, rockfills, mining waste rocks and related materials is one of the key themes in geotechnical engineering but least studied and developed. Although there are some geotechnical standards and accepted geotechnical practice, there is not a standard for size-scaling, which is a critical step in advanced stage engineering (i.e. detailed design) on large structures involving this kind of materials. Several size-scaling techniques are available for use, with advantages and disadvantages. Among these, the parallel gradation method PGM (also known as homothetic grain size distribution), is one of the current practices and used for more than 50 years, but surprisingly just a few studies have corroborated its capability, and under specific material types. This work assesses a detailed database covering the development of this method from its first uses up to now. The application of this method is analysed based mainly on the material maximum internal friction angle and the Marsal’s particle breakage index (B g ).info:eu-repo/semantics/openAccessUniversidad Católica de la Santísima ConcepciónObras y proyectos n.27 20202020-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132020000100050en10.4067/S0718-28132020000100050
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	coarse granular materials parallel gradation method geotechnical characterization size-scaling shear strength particle breakage
spellingShingle	coarse granular materials parallel gradation method geotechnical characterization size-scaling shear strength particle breakage Dorador,Leonardo Villalobos,Felipe A. Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
description	The geotechnical characterization of coarse granular materials such as very coarse-grained soils, rockfills, mining waste rocks and related materials is one of the key themes in geotechnical engineering but least studied and developed. Although there are some geotechnical standards and accepted geotechnical practice, there is not a standard for size-scaling, which is a critical step in advanced stage engineering (i.e. detailed design) on large structures involving this kind of materials. Several size-scaling techniques are available for use, with advantages and disadvantages. Among these, the parallel gradation method PGM (also known as homothetic grain size distribution), is one of the current practices and used for more than 50 years, but surprisingly just a few studies have corroborated its capability, and under specific material types. This work assesses a detailed database covering the development of this method from its first uses up to now. The application of this method is analysed based mainly on the material maximum internal friction angle and the Marsal’s particle breakage index (B g ).
author	Dorador,Leonardo Villalobos,Felipe A.
author_facet	Dorador,Leonardo Villalobos,Felipe A.
author_sort	Dorador,Leonardo
title	Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
title_short	Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
title_full	Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
title_fullStr	Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
title_full_unstemmed	Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
title_sort	analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method
publisher	Universidad Católica de la Santísima Concepción
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132020000100050
work_keys_str_mv	AT doradorleonardo analysisofthegeomechanicalcharacterizationofcoarsegranularmaterialsusingtheparallelgradationmethod AT villalobosfelipea analysisofthegeomechanicalcharacterizationofcoarsegranularmaterialsusingtheparallelgradationmethod
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Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method

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