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Cost-Effective Method of Surface Preparation for Bridges in the Future
High performance paint coatings of modern days require the prepared surface to have Sa 21/2 (very thorough blast cleaning) or higher class of finish. Dry abrasive blasting easily meets this requirement resulting in adequate bonding of the paint…
Namoi Floodplain Viaduct: Design of a 1 Km Rail Viaduct in a Remote Area for a 35-Year Design Life
The Boggabri Maules Creek Rail project will connect the existing Werris Creek to Mugindi railway line to the existing Boggabri Coal Mine and the new Maules Creek Coal Mine.The railway line will provide Boggabri Coal Mine with improved logistics,…
A Decision Support Model for Bridge Infrastructure Asset management
The management of bridges as a key component in transportation infrastructure has become a major concern due to increasing traffic volumes, deterioration of bridges and well-publicised bridge failures. A critical responsibility for asset managers in…
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…
The application of Network Operations Planning Framework to assist with Congestion Management and integrated land use and transport
The Austroads Network Operation Planning Framework (the Framework) was developed in 2009 however it is not widely used by road agencies. This research aimed to understand each road agency’s approach and consider how the Framework could be improved…
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…
Conservation and Upgrade of Historic Wrought Iron Bridges in NSW
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…
Sacrificial Cathodic Protection of Reinforced Concrete Bridges
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…
Designing the Deconstruction of the Existing Newmarket Viaduct
The Newmarket Viaduct plays a vital role in the Auckland motorway network. The original 1966 structure is being demolished in tandem with construction of its replacement whilst keeping the motorway fully operational. The New Zealand Transport Agency…
Strategies for Structural Health Monitoring of Bridges
The needs for structural health monitoring in Japan originally come from its geographical conditions such as severe environment for deterioration and frequent natural disasters. Monitoring of the environment and loading conditions with respect to…