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Use of new generation spherical bearings for a challenging bearing replacement project
Pot bearings installed in bridges constructed before 1970 are coming to the end of their nominal 50-year design life. In recent years, a new generation of spherical bearings has become available as an alternative to pot bearings. These bearings…
Austroads Bridge Conference 2022 Papers
The 11th Austroads Bridge Conference brought together more than 400 delegates from Australia and New Zealand. A diverse audience comprising 
Durability of Post-Tensioning Tendons - A Review from TfNSW Perspective
Durability of post-tensioning tendons is an important backbone for the achievement of the desired service life of prestressed post-tensioned structures. Experience by others, including failures and rehabilitation of major pre-stressed concrete…
Bridge strengthening with CFRP in M80 Ring Road
Two existing bridges located along the M80 Ring Road were upgraded as part of the M80 Upgrade between Sydney Road and Edgars Road. An additional lane was added to each carriageway without widening either bridge. Both bridges were constructed with…
Design Challenges in Median Widening Between Historically Widened Bridges
Monash Freeway spans across Jacksons Road and Police Road, originally as twin, three-span, highly skewed continuous I-beam bridges. These twin bridges were constructed in the 1970s with a wide gap in the median. Since then, they have been…
Hay Street Bridge Vertical Clearance Improvement Project
Constructed in 1968, the Hay Street Bridge complied with bridge height clearance standards at that time. However, data indicated that the bridge was hit 20 times by over-sized vehicles, nine of those during the past five years to 2020. BG&
Old Murray Bridge Structural Assessment and Pier Replacement Design
The Department for Infrastructure and Transport (the Department) is undertaking major refurbishment works on the Old Murray Bridge. Old Murray Bridge was constructed over the Murray River in 1879, and is located on Bridge Street, Murray Bridge,…
Management of Structures with Concrete Halving Joints
Poor performance of structural details known as halving joints has been the cause of some international bridge collapses in the past 20 years. While the Queensland Department of Transport &
Low-damage seismic bridge design
  • ABC2022-082-22
  • 16 Nov 2022
  • Bridges
This paper will explore the opportunity to adopt 'low damage' seismic design technology in bridge design. Low damage designs offer a resilient and sustainable design option that provides a step change in seismic performance. However, to date these…
Durability Design of the Sydney Gateway Project - Achieving a 100 Year Design Life in Aggressive Ground Conditions
The Sydney Gateway Project comprised numerous bridge structures and various other civil assets including retaining walls, drainage, and major signage structures. The Project alignment traversed various exposure environments, each having unique…