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Alice River Bridge Pier 4 Settlement - Investigation and Rehabilitation
In late 2019, a concerned driver reported significant settlement at the Alice River Bridge on the Landsborough Highway (Blackall ñ Barcaldine) in Queensland, Australia. This ten span 140 m long bridge was constructed circa 1976, with each pier…
UAV-based multi-layered data collection methods and defection algorithms for Predictive Analutics and Bridge Asset Management
Traditional inspection procedure for condition assessment of bridge structures is laborious, dangerous, time-consuming, capital intensive and highly dependent on subjective human judgment. Subsequently, bridge asset owners pay a high price per…
To Achieve Durable and Sustainable Concrete
Asset owners are interested in the use of durable concrete to maximize design life of their structures and minimize Whole of Life Cost (WOLC) throughout. Similarly, most assets owners nowadays also require their assets to be sustainable and…
'Smart' bridge components (expansion joints, bearings, seismic devices) for intelligent infrastructure
The potential benefits of using structural health monitoring systems in measuring and recording bridge data have been established in many applications around the world, but the efficiency and effectiveness of such systems depends on how they are…
Case Study: Sustainability in Bridge Engineering - SH2 Wairoa River Bridge Cycleway Extension
State Highway 2 Wairoa River Bridge near Tauranga, constructed in 1966, is a 177m long post-tensioned concrete structure with mono pier columns supported on pile foundations. Adding a lightweight downstream cycleway extension in September 2020 has…
Adopting Probability-Based Bridge Assessments in Australasia
Outputs from bridge assessment to AS 5100.7 are deterministic, expressing safety as a subjective and conservative binary (yes/no) measure. With Australia and New Zealand seeing increases of road freight demand under finite bridge infrastructure…
Heavy vehicles and bridges: What the data is telling us?
Evidence gathered on some Queensland bridges has raised questions about what heavy vehicles are really doing to bridges. Visual evidence includes the deterioration of concrete bridge decks, headstock cracking, fatigue cracking, settlement of bridge…
Segmental Launching of the Redfern Station Southern Concourse Canopy
The new concourse at Redfern Station spans over ten platforms at the southern end of the station. It was constructed using super tees with a cast in-situ deck supported by piers founded at the platform level. The superstructure supports a…
TfNSW's Rapid Bridge Assessment Tool (RBAT) - innovation towards freight productivity
Transport for New South Wales, (TfNSW) receives thousands of requests every year to allow Higher Productivity Vehicles (HPV), high risk mobile cranes and heavy load platforms to access NSW aging road and bridge network. The HPV's access requests in…
DoT's journey to better manage its Structures: Structures Service Framework and Structures Inspection and Monitoring Strategy
Since 2018, the Victorian Department of Transport (DoT) has been on a journey to improve the asset management practices of Structures under their control by developing the Structures Service Framework (SSF). The SSF defines governance, roles and…