Does G 0 of Granular Materials Carry Information on Their Particle Characteristics?
Does G 0 of Granular Materials Carry Information on Their Particle Characteristics?
Small strain elastic properties, such as G 0 , are used to model the soil behaviour under dynamic and static loading. In granular materials, these depend mainly on effective stress and density. However, the influence of particle morphology on G 0 cannot be neglected. This paper presents series of laboratory experiments on different granular materials using resonant column apparatus and bender elements. The combined effect of particle morphology, size and distribution of glass ballotini and quartz sands was investigated by using micro-mechanics based analytical model. Experimental results indicate that the A and n parameters of the G 0 =A*f (e)*(p′/p r ) ⁿ relationship are linked to particle size, roughness and shape. Using an analytical model, A and n parameter is expressed as function of particle characteristics. The potential use of G 0 to predict particle characteristics is explored in this study.
Stiffness, roughness effect, contact mechanics, Analytical model, Stress distribution
234-245
Murthy, Madhu
e139e3d3-2992-4579-b3f0-4eec3ddae98c
Todisco, Maria Cristina
ecbd518b-8deb-4a6a-bca4-1720fcf37e65
2018
Murthy, Madhu
e139e3d3-2992-4579-b3f0-4eec3ddae98c
Todisco, Maria Cristina
ecbd518b-8deb-4a6a-bca4-1720fcf37e65
Murthy, Madhu and Todisco, Maria Cristina
(2018)
Does G 0 of Granular Materials Carry Information on Their Particle Characteristics?
Giovine, Pasquale, Mortara, Giuseppe and Mariano, Paolo Maria
(eds.)
In Micro to MACRO Mathematical Modelling in Soil Mechanics.
Birkhäuser.
.
(doi:10.1007/978-3-319-99474-1_24).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Small strain elastic properties, such as G 0 , are used to model the soil behaviour under dynamic and static loading. In granular materials, these depend mainly on effective stress and density. However, the influence of particle morphology on G 0 cannot be neglected. This paper presents series of laboratory experiments on different granular materials using resonant column apparatus and bender elements. The combined effect of particle morphology, size and distribution of glass ballotini and quartz sands was investigated by using micro-mechanics based analytical model. Experimental results indicate that the A and n parameters of the G 0 =A*f (e)*(p′/p r ) ⁿ relationship are linked to particle size, roughness and shape. Using an analytical model, A and n parameter is expressed as function of particle characteristics. The potential use of G 0 to predict particle characteristics is explored in this study.
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Does G0 of Granular Materials Carry Information on Their Particle Characteristics
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Published date: 2018
Keywords:
Stiffness, roughness effect, contact mechanics, Analytical model, Stress distribution
Identifiers
Local EPrints ID: 500637
URI: http://eprints.soton.ac.uk/id/eprint/500637
ISSN: 2297-0215
PURE UUID: 04bb216d-840f-4c67-b105-71bb2f0b6c2e
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Date deposited: 07 May 2025 16:48
Last modified: 22 Aug 2025 02:11
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Contributors
Author:
Maria Cristina Todisco
Editor:
Pasquale Giovine
Editor:
Giuseppe Mortara
Editor:
Paolo Maria Mariano
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