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Axi-symmetric analysis of vertically inhomogeneous elastic multilayered systems

Author: Maina, JW ; Ozawa, Y ; Matsui, K Date: Jun 2009 The importance of accounting for material nonlinearity and anisotropic behaviour in order to improve the resilient models for pavement materials and numerical analysis is presented in this paper. Effects of material inhomogeneity on the ... Read more
The best of shape: 3-D scanning in South Africa gives aggregate a closer look

Author: Anochie-Boateng, Joseph Date: Sep 2011 The author of this article is conducting research in South Africa which addresses the difficulties in pavement design in developing methods and procedures for accurate quantification of aggregate shape and surface properties, which are well ... Read more
Fracture mechanics in pavement design

Author: Denneman, E ; Wu, R ; Kearsley, EP ; Visser, AT Date: Jul 2009 Pavement materials are subjected to high-cycle loading regimes. Conventional design methods employ the Palmgren-Miner damage hypothesis to predict the fatigue life of pavement materials. The material itself is usually characterized in the ... Read more
Guidelines for upgrading of low volume roads

Author: Division of Roads and Transport Technology CSIR ; Jordaan & Joubert Inc. Date: Mar 1993 The purpose of this manual is to provide guidelines on the upgrading of gravel low volume roads to roads and maintenance personnel of road authorities of all sizes. Low volume is, for the purpose of this document, defined to be less than 500 ... Read more
Microstructural pavement material characterization: some examples

Author: Mgangira, Martin B Date: Jul 2008 The utilisation of advanced measurement techniques should assist in the characterization of pavement materials at a micro-scale. The motivating factor for such an approach is that material properties at the micro-level have a critical role ... Read more
Permanent deformation and in-depth deflection records for selected HVS tests

Author: Theyse, HL Date: Mar 1999 Transportek has been involved in accelerated pavement testing (APT) with a fleet of Heavy Vehicle Simulators (HVSs) over the past two decades. During this period, a vast amount of pavement response and performance data has been accumulated, ... Read more
Quantification of aggregate grain shape characteristics using 3-D laser scanning technology

Author: Mgangira, Martin B ; Anochie-Boateng, Joseph ; Komba, Julius J Date: Jul 2013 Aggregate shape and surface characteristics influence the performance of both bound and unbound pavement materials. This paper presents some results of an on-going study on the characterization of aggregates using a three-dimensional (3-D) ... Read more
Some practical aspects regarding the handling of dolerite for base and sub-base construction

Author: Kleyn, EG ; Bergh, AO Date: Jul 2008 Good quality and sub-base material for road pavement construction is becoming increasingly scarce. Dolerite is one of the more abundant natural road building materials in South Africa. Yet, it seems that the road design and construction ... Read more
Use of the DRTT K-mould to determine the elastic and shear properties of pavement materials

Author: Semmelink, CJ Date: 26 May 2009 This report briefly discusses the theoretical background of the K-mould, its development and the results obtained with it on a number of untreated road building materials. Read more

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Browsing by Subject "Pavement materials"

Browsing by Subject "Pavement materials"

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