Publications

As part of the ongoing upgrade of timber-piled bridges on the North Island Main Trunk, KiwiRail identified three bridges (BR 280, 281, 282) to be replaced in 2012. These bridges all cross streams of 16 m to 42 m in width and provide a ballast deck…

The North Coast Rail Line in Queensland between Bundaberg and Gladstone has three major crossings over the Burnett, Kolan and Boyne Rivers. The bridges were constructed in the 1890s using cast iron piers and through-girder spans. Queensland Rail…

In February 2011, the Queensland Government announced that the TrackStar Alliance would construct the $475 million Stage 2 Richlands to Springfield project as part of the broader Darra to Springfield Transport Corridor. The alliance consisted of…

The replacement of the aging railway bridges in the existing railway network will always result in disruption to rail operation and inconvenience to the commuting public. The construction time has also been a major constraint to the design, and so…

The Frankston Stony Point Rail Bridge crosses over the Peninsula Link Freeway, located on Victoria’s Mornington Peninsula. In this location the Frankston Stony Point rail line comprises a single bi-directional broad gauge track carrying regional…

Described as being 'one of the finest pieces of architectural iron-work in the world', the High Level Bridge in the UK recently underwent a major programme of investigation, assessment, strengthening and refurbishment. Constructed in 1849, the two-…

The Seaford Rail Extension Project, currently under construction to the south of Adelaide, South Australia, requires a 1.125km long viaduct to cross the Onkaparinga Valley and River. The solution chosen is an incrementally launched, concrete box…

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…

The existing rail track support on the Sydney Harbour Bridge consists of timber transoms and deck supported on steel stringers and cross-girders of the Bridge. The deck area of the Bridge is solid except in the rail corridor. Not having a solid deck…