Publications

A wide range of test methods has been used to measure the resistance of concrete to chloride penetration. Each method is purported to measure the property of concrete central to the chloride transport mechanism into concrete. They include water…

The Roads and Traffic Authority of NSW (RTA) has had various concerns regarding the quality of the “cover concrete” produced by contractors and suppliers using certain types of bar chairs in the manufacture of concrete products for RTA bridges.…

This paper proposes a risk and criticality strategy that can be used in the development of bridge specific data collection and monitoring strategies. New Zealand has on average one bridge every 5.2km. The functionality of the road network is…

The Austroads asphalt mix design method was developed in 1997 and has had a number of revisions over the intervening years as test methods evolve and experience is gained. However, implementation of the method has been variable across the various…

This report summarises some of the literature dealing with the compaction of dense graded asphalt. Compaction of asphalt is usually expressed in terms of air void content. This is necessary as the aggregate which constitutes about 95% of the mass of…

The development of an Austroads asphalt mix design procedure led to adaptation and adoption of a number of overseas test methods. These test methods were then compiled into what has become a suite of Austroads test methods. The Austroads test…

This report presents and reviews common linear and spatial location referencing systems used by road authorities and discusses the various benefits and limitations of each. Road authorities have traditionally used linear location referencing to…

The purpose of this report is to provide an overview of the Pavement Maintenance database creation, including documenting the cleaning and filtering of the results. The analysis was performed on SA, VIC, NSW and QLD datasets to identify…

This report presents a review of the available structural design methods for foamed bitumen pavements, as a first step in the development of thickness design procedures. Six design procedures were found in the literature, most of them based on well…

This report presents a testing plan to examine the effect that multiple axle group loads (e.g. tandem, triaxles, etc.) have on the flexural fatigue performance of asphalt, and forms a component of long term Austroads project work. The testing plan…