Publications

Austroads Technical Specification ATS 5420 sets out the requirements for the supply of bolts, nuts, screws, washers, studbolts and threaded rods for steelwork. It also includes requirements for the supply of stainless steel fasteners. This…

Captain Cook Bridge is an iconic bridge crossing the Brisbane River, and is the most trafficked bridge in Queensland, connecting the City’s south with the Brisbane Central Business District (CBD).

Tasman Bridge crosses the Derwent River joining Hobart to its eastern suburbs. It was built in the early 1960’s and reflects design concepts of the time. It is articulated so that the main viaducts are restrained by the abutments, with very slender…

The new AS 5100.8 Rehabilitation and Strengthening sets out minimum requirements for the repair, extension of service life, strengthening, change of function (such as a road bridge to a pedestrian/cyclist bridge) and widening to existing bridge…

As with other similar bridges throughout the world, the steel box girder spans of Melbourne’s West Gate Bridge have, in recent years, exhibited an increasing incidence of fatigue cracking.

All reinforced concrete structures deteriorate over time. Corrosion of reinforcement is a major challenge to the durability of concrete structures. Corrosion in certain environments, such as marine, can compromise the durability of concrete and…

Expansions joints can be defined as a component of a bridge providing a continuous surface across the expansion gap for all classes of road users whilst accommodating all ranges of movements. Typically expansion joints are installed between adjacent…

In 2008 the Auckland Motorway Alliance (AMA) was established to maintain and manage the 220km of motorway network that surrounds Auckland city. This equates to over 1100 structural assets incorporating tunnels, bridges & viaducts, culverts and…

Replacement of bearings is typically done by jacking to raise all beams at a headstock sufficiently to free the bearings for replacement or resetting. To avoid damage to the structure and to restore the initial bearing reactions, it is necessary to…

Modern bridge design and construction places ever greater demands on engineers, materials and components. One of the most demanding parts of a bridge is the expansion joint. The selection of an appropriate expansion joint is crucial to minimising…