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Selection of a Laboratory Asphalt Compactor for Australasia

This report summarises work conducted to establish a compaction procedure for the Austroads asphalt mix design process. Part of the early work examined overseas research and this is briefly summarised to provide supporting evidence as to the…

Implementation of Austroads Mix Design Procedures: 2009-2010

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…

The Influence of Compaction on the Performance of Dense Graded Asphalt

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…

Uncertainty of Measurement Estimates for Austroads Asphalt Test Methods

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…

Small Travel Time Savings: Treatment in Project Evaluations
The purpose of this report is to identify, review and compile existing literature on small travel time savings, and the current practice of considering the notion of small travel time savings in project evaluation. The review discusses both work and…
Documentation and Quality Control of Benefit-Cost Analyses
The purpose of this document is to develop and present a catalogue/checklist of items, which can be employed by transport agencies and their practitioners and consultants to properly document the methodology, data, analysis and results of project…
Speed-flow Relationships: Implications of Project Appraisal
The project includes a literature review of speed-flow curves, review of practices across jurisdictions, implications of speed-flow curves for project appraisal, harmonisation of speed-flow curves. A range of speed-flow curve relationships is…
Valuation of Travel Time Reliability: A Review of Current Practice
This report introduces key methodologies and the associated challenges with regards to defining and measuring travel time reliability, in particular, for improving the valuation of travel time in project appraisal by Australian jurisdictions.
Improving Practice in Cost Estimation of Road Projects
This document is provided for the benefit of transport planners and managers. It reviews and summarises the Best Practice Cost Estimation Standard (BPCES) developed by Evans and Peck and is applicable to any transport project for which Australian…
Review of Structural Design Procedures for Foamed Bitumen Pavements

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…