Stiffness design for granular materials - A theoretical and experimental approach

L. Dihoru*, C. A. Taylor, S. Bhattacharya, D. Muir Wood, F. Moccia, A. L. Simonelli, G. Mylonakis

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

3 Citations (Scopus)

Abstract

This study was prompted by a recent project investigating the seismic behaviour of a small scale model pile embedded in layered soils. The underlying problem in looking at the soil-pile interaction is in the representation of the material surrounding the pile and of its boundaries at infinity. The necessity to achieve a certain stiffness ratio between the soil layers in order to secure the similitude between the prototype soil and the model soil required a theoretical and experimental investigation into how the stiffness of a granular material could be designed and physically achieved. Rubber granules and sands were employed to model soil profiles in a shear stack. Considerations of stiffness of granular mixtures, as well as experiments of density/stiffness design are presented. Various dynamic testing techniques were employed to measure the stiffness of the layered deposits. A comparison is made between the measured and the theoretical values of stiffness.

Original languageEnglish
Title of host publicationPhysical Modelling in Geotechnics - Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010
Pages129-134
Number of pages6
Volume1
Publication statusPublished - 1 Dec 2010
Event7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010 - Zurich, United Kingdom
Duration: 28 Jun 20101 Jul 2010

Conference

Conference7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010
Country/TerritoryUnited Kingdom
CityZurich
Period28/06/101/07/10

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