Publications

The New Zealand Transport Agency recently carried out a nation-wide screening of state highway bridges for scour and other bridge waterway risks. This paper outlines lessons learned from the implementation of the screening programme and reviews the…

The summer of 2010 / 2011 represents an extreme event. The majority of Queensland was declared a natural disaster zone as a result of the damage caused by non-typical flooding and cyclones throughout the State. It is estimated $4.5 billion dollars…

Alkali aggregate reaction, or AAR, is one of the major causes of degradation in older concrete structures. AAR occurs when the hydroxide ions that exist in the cement react with aggregate, often with water acting as a catalyst to speed up this…

In January 2011, Queensland experienced a rain event, unlike any other in recent history. Unprecedented damage occurred to the infrastructure in many parts of Queensland. After the flood event, Aurecon was commissioned to assist in flood damage…

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…

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…

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…

Where road schemes require an alteration to alignment, width, or barrier containment standards on an existing bridge, the problems associated with achieving this are often significant. Records for bridges built more than 50 years ago are commonly…

The paper summarizes laboratory tests carried out by RTA Bridge Engineering to investigate different factors affecting the reliability of bolted connections for bridge deck expansion joints. The test rig comprised steel plates bolted to a large…