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Showing 1 - 10 of 13 Publications
Passenger Cars and other Non-truck Tyres Crumb Rubber in Asphalt: National Market Analysis, Review of Industry Practices and Technology Transfer
This report provides a comprehensive overview of the fate of end-of-life tyres, the tyre recycling industry in Australia and New Zealand, the specifications for the use of crumb rubber in road applications and the potential benefits of other-than-…
Laboratory Fatigue Characterisation of Foamed Bitumen Stabilised Materials
This report documents a project to develop a new laboratory fatigue relationship to predict the performance of foamed bitumen stabilised (FBS) materials. The project focused on extensive laboratory experiments including indirect tensile testing and…
Improved Bridge Deterioration Models, Predictive Tools and Costs
The management of Australia and New Zealand’s bridge stock involves the development of forward works programs for periods up to, and longer than, ten years into the future. The scheduling of maintenance, rehabilitation and replacement, forms part of…
Review of Axle Spacing Mass Schedules and Future Framework for Assessment of Heavy Vehicle Access Applications
A key component to improving freight productivity in Australia is to improve access to the network for heavy vehicle operators. Assessment of bridge capacity is perceived to be critical to this aim.
Review of AS 5100.7 Rating of Existing Bridges and the Bridge Assessment Group Guidelines
There is significant pressure in Australia to improve freight productivity through the national reform agenda. A key component of the reform plan is to improve access to the road network for heavy vehicle operators. Assessment of bridge capacity is…
Development of Marginal Costs for Heavy Vehicle Bridge Usage
This report develops approaches that estimate the marginal cost (MC) of bridge wear for heavy vehicle usage and estimates the availability and reliability of the data needed to use these approaches. Two approaches were examined. The first was an…
Design Rules for Bridge Bearings and Expansion Joints
In modern bridge structures, bridge bearings and expansion joints are commonly the source of most maintenance and performance issues. In some situations their performance can lead to the closure/failure of major structures and their maintenance can…
Investigating the Development of a Bridge Assessment Tool for Determining Access for High Productivity Freight Vehicles
This report deals with the first component of the bridge assessment tool and is a scoping study to determine whether there is sufficient data, and whether there exists suitable engineering models, to develop robust and nationally uniform technical…
Future Asset Management Issues No. 2: Impacts of Peak Oil with Increases in Bitumen and Fuel Costs on Road Use and Asset Management Funding
This discussion paper examines the consequences of 'peak oil' for road asset management and identified several key issues as the potential subject of future research to assist asset managers in managing the consequences of 'peak oil'. This paper is…
Guidelines for Bridge Management: Structure Information
This document is the combined output of two projects commissioned by Austroads to support improved consistency in Australia and New Zealand in inventory and condition data for road bridges, by developing a minimum set of inventory items, condition…