Publications

These guidelines provide essential information regarding Buried corrugated metal structures (BCMS) from the design process, installation, in-service monitoring, through to maintenance and repair procedures. BCMS have been used in Australia as an…

The 2.5km long West Gate Bridge comprises an eastern and western concrete approach viaduct, 871m and 670m respectively in length either side of the 850 m long cable stayed steel box girder main span section. The key objective with the West Gate…

The main structural components of the railway bridge at Bankstown, installed in January 2011, are two 18m steel welded arch trusses with an overall height of 3.5m. Each truss comprises fabricated box sections for the chords and I sections for the…

In 2008, the Roads and Traffic Authority (RTA) of New South Wales(NSW) advised all contractors to improve workmanship quality across all RTA construction projects. This followed the discovery that many structures, including bridges, were not being…

The RTA has a large and growing construction budget each year for new works. All major works are carried out under Quality Assurance (QA) contracts. QA has been used to deliver construction contracts within the RTA since the early 1990’s. Within the…

Bridges with reinforced concrete slabs built in Western Australia between the mid 1970s and the late 1980s are likely to have cold-worked steel reinforcement. These slabs were designed to the NAASRA Bridge Standard, the national standard current…

Transportation infrastructure provide an essential service to society and are vital for the efficient functioning of modern economies, and are thus considered key lifelines. Recent severe natural hazard events in Australasia – the earthquakes in…

Owners are driven by safety requirements to monitor and predict the behaviour of their structures with increasing surety. Historically Engineers used deflection and strain measurement but more recently dynamic assessment of full-scale structures…

Between 1871 and 1893, 27 wrought iron lattice truss road bridges were built in NSW. Of these, 17 were built under the guidance of the noted bridge designer John A. McDonald and the 16 remaining are managed by the NSW Roads and Traffic Authority…

Concrete deterioration due to reinforcement corrosion poses one of the greatest risks to the integrity of the Roads and Traffic Authority’s (RTA’s) bridge stock. As an alternative to Impressed Current Cathodic Protection (ICCP), the RTA is assessing…