Chapter
Feb 8, 2016
Fractal Evaluation of the Evolution of the Void System in a Simulated Granular Material under Direct Shear
Publication: Geotechnical and Structural Engineering Congress 2016
Abstract
Fabric in granular materials refers to the arrangement of particles and pore spaces. This study focuses on the changes experienced by the void system in a simulated granular material under direct shear stress condition. Using a plane stress direct shear apparatus, an image analyzer, and the fractal dimension concept from fractal theory, this study shows that the degree of roughness of the pore walls affects not only the unsaturated hydraulic conductivity of the pores but their saturated hydraulic conductivity as well. It was determined that the efficiency by which water is transmitted by the voids depends upon the degree of roughness of the pore walls. The degree of roughness of the pore walls was evaluated using the fractal dimension of the profiles of the pores.
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Published In
Geotechnical and Structural Engineering Congress 2016
Pages: 560 - 568
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Feb 8, 2016
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Authors
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Luis E. Vallejo, M.ASCE
Professor, Dept. of Civil and Environmental Engineering, Univ. of Pittsburgh, Pittsburgh, PA 15261.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.