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New Fatigue Design Loadings for New Zealand Road Bridges
Fatigue design of new bridges in New Zealand must consider the future demands from increasing heavy freight volumes and higher productivity vehicles. The new vehicles are designed to carry more freight with fewer trips to offset the reduced…
Upgrading NZ Bridges for High Productivity Motor Vehicles
New Zealand (NZ) has introduced High Productivity Motor Vehicles (HPMV’s) to improve freight efficiency on its road network. The significant increase in vehicle mass limits has required a national bridge load capacity evaluation and strengthening…
Anzac Cable Stayed Bridge Health Monitoring
Roads and Maritime Services of Transport for NSW in collaboration with the Bridge Solution Alliance formed by Freyssinet, Lend Lease and Sage Automation undertook a major maintenance project to solve stay cable vibrations, strengthening-related…
Structural Assessment of Freight Bridges in Queensland
All road authorities have a range of bridges of varying ages and design classes, which have transitioned over time to carry modern heavy vehicles. This paper reports the structural assessment procedures adopted by the Queensland Department of…
Guidelines for Standardised Bridge Barrier Designs
Consistency in the design of traffic barriers for bridges has been identified as a major issue in current practice throughout Australia and New Zealand. The need for standard solutions was recognised by road jurisdictions, consultants and…
Bridge Analysis: Are We Data Managers or Engineers?
The Queensland Department of Transport and Main Roads (TMR) commenced a program to theoretically assess the capacities of existing bridges on the freight network in order to develop a family of assessment ratios to facilitate rapid bridge…
Life Extension of Aging Railway Bridges: A Case Study of the Burnett River Bridge
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…
Potential Framework for the Nationwide Assessment of Heavy Vehicle Access to Bridges
A key component to improving freight productivity in Australia is to improve access to the network for heavy vehicle operators. The assessment of bridge capacity is perceived to be critical to this aim. Currently a significant number of bridge…
Queen Street Bridge Over Laverton Creek Condition Assessment and Rehabilitation Using Encased Sacrificial Anodes and Monitoring of Performance
The Queen Street Bridge over Laverton Creek in the west of Melbourne is a 35-year old bridge consisting of inverted ‘T’ beams which are simply supported on four large pier walls and situated in a marine environment. Routine visual inspection…
Review of Axle Spacing Mass Schedules and Future Framework for Assessment of Heavy Vehicle Access Applications
A key component to improving freight productivity in Australia is to improve access to the network for heavy vehicle operators. Assessment of bridge capacity is perceived to be critical to this aim.