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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2401

Title: Some fundamental definitions of the elastic parameters for homogenous isotropic linear materials in road design and analysis
Authors: De Beer, M
Maina, JW
Keywords: Elastic parameters
Homogenous isotropic linear materials
Road modelling
Benkelman Beam
Road Surface Deflectometer
Heavy Vehicle Simulator
Faling Weight Deflectometer
SATC
Issue Date: Jul-2008
Publisher: Southern African Transport Conference (SATC)
Citation: De Beer M and Maina JW. 2008. Some fundamental definitions of the elastic parameters for homogeneous isotropic linear elastic materials in pavement design and analysis. Partnership for research and progress in Transportation. 27th Southern African Transport Conference (SATC), Pretoria, South Africa, July 7-11, 2008, pp 14
Abstract: This paper is a brief introduction to some of the well known fundamental engineering properties of homogeneous isotropic linear elastic materials. It specifically shows the relationships between different elastic moduli. It covers some of the extensive (but not so well known) relationships between the various moduli of these materials and also illustrates the importance of parameters such as Poisson’s Ratio. The aim of the paper is to summarise the fundamental elastic properties of the above types of materials, as well as their interrelationships and to use these as background to engineering in road modelling and simulation. An additional aim is to show that moduli measured under different conditions should probably be treated differently, such as creep speed measurements of elastic surface deflection basins carried out with the Benkelman Beam (BB) (or Road Surface Deflectometer (RSD)) associated with Heavy Vehicle Simulator (HVS) testing, and those measured under relatively short time impulse loading (i.e. seismic) by means of the Falling Weight Deflectometer (FWD)
Description: Paper presented at the 27th Annual Southern African Transport Conference 7 - 11 July 2008 "Partnership for research and progress in transportation", CSIR International Convention Centre, Pretoria, South Africa
URI: http://hdl.handle.net/10204/2401
ISBN: 978-1-920017-34-7
Appears in Collections:Infrastructure engineering
General science, engineering & technology

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