Publications

Structural analysis has progressed a long way from hand calculations and the use of distribution factors. From the first computer methods, grid and grillage analysis techniques evolved, leading through progressive enhancements to the advanced 3D…

Some old bridges in Australia were constructed with a deck system consisting of non-composite concrete slab over steel girders. The paper herein presents the methodology for structural retrofitting/ strengthening of these existing bridges based on…

The economic vitality of Auckland depends upon the movement of people and freight around the city’s motorways and the Auckland Harbour Bridge (AHB) is a crucial component of the network. Traffic loads derived from weigh-in-motion (WIM) data measured…

There are 5094 bridges and bridge size culverts under the jurisdiction of the Roads and Traffic Authority (RTA) NSW. More than 50% of these bridges were built before 1976 and design load was significantly lower than the T44 design load in accordance…

More sustainable bridge infrastructure can be achieved by eliminating costly and unnecessary replacement or overly zealous upgrading of ageing bridges. Estimates of current safety of bridges or their remaining service life are critically dependent…

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.

Austroads updates of unit values and cost estimation algorithms used as inputs for urban and non-urban road investment evaluation models have become the industry standard in Australia. Updates provide a comprehensive and detailed coverage in both…