A numerical approach for the determination of the primary fabric of granular soils

Duc, To Huu, Galindov Torres, Sergio and Scheuermann, Alexander (2014). A numerical approach for the determination of the primary fabric of granular soils. In: Grant P. Steven, Qing Li and Zhongpu (Leo) Zhang, Advances in Computational Mechanics. 1st Australasian Conference on Computational Mechanics (ACCM2013), Sydney, Australia, (489-494). 3-4 October 2013. doi:10.4028/www.scientific.net/AMM.553.489

Attached Files (Some files may be inaccessible until you login with your UQ eSpace credentials)
Name Description MIMEType Size Downloads

Author Duc, To Huu
Galindov Torres, Sergio
Scheuermann, Alexander
Title of paper A numerical approach for the determination of the primary fabric of granular soils
Conference name 1st Australasian Conference on Computational Mechanics (ACCM2013)
Conference location Sydney, Australia
Conference dates 3-4 October 2013
Proceedings title Advances in Computational Mechanics   Check publisher's open access policy
Journal name Applied Mechanics and Materials   Check publisher's open access policy
Place of Publication Stafa-Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2014
Year available 2014
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/AMM.553.489
Open Access Status
ISBN 9783038350682
ISSN 1660-9336
Editor Grant P. Steven
Qing Li
Zhongpu (Leo) Zhang
Volume 553
Start page 489
End page 494
Total pages 6
Collection year 2015
Language eng
Abstract/Summary Granular soil as a porous medium consists of particles, touching each other and forming a solid skeleton with interconnected pores. The transfer of externally applied loads is in most cases not homogeneous, but takes place mostly in a limited number of particles creating so-called force chains. The assembly of force chains is frequently referred to the primary fabric of a soil. The knowledge of the primary fabric is of vital importance for the analysis of many soil behaviours as, for instance, in the assessment of suffusion. Most of the current numerical models, mostly based on a discrete element approach, generate an artificial soil specimen by creating particles randomly. Therefore, particle position is not under control at all, and as a consequence the influence from particle arrangement on the creation of the primary fabric is neglected. This paper presents a sequential packing method, which allows studying two different types of particle arrangements for a given and constant grain size distribution: (1) layer-wise, producing a layered structure and (2) discrete, leading to a rather homogeneous soil structure. The generated soil specimens are compacted using a discrete element model under oedometric boundary conditions and zero gravity to create force chains within the soil structure. These force chains are then analysed to determine the soil fraction contributing to the load transfer. The results of the study provide an evidence of the influence of the particle arrangements on the appearance of the soil skeleton and the fraction of particles involved.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Official 2015 Collection
Version Filter Type
Citation counts: Scopus Citation Count Cited 1 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Mon, 31 Mar 2014, 14:17:06 EST by Dr Alexander Scheuermann on behalf of School of Civil Engineering