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Managing Load Deficient Bridges by Load Testing since 1995
This paper shares the experience gained from bridge load tests carried out by the Bridge Engineering (BE), Roads and Maritime Services since 1995. BE has carried out different types of bridge tests, i.e. proof load, performance load, monitoring of…
Bridge Bearing Replacement Using Flat Jacks
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…
Destructive Load Testing of Transversely Stressed Deck Unit Bridges
As part of the NACOE research project ‘Deck unit bridge deck analysis under live load’, a comprehensive load testing program has been conducted in Queensland to investigate the behaviour of transversely stressed precast prestressed concrete deck…
Bridge Deck Expansion Joints: A Comparison of Technical and Selection Requirements, Including Consideration of Life Cycle Costs and a Review of Commercially Available Products within Australia and New Zealand
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…
Network Wide Assessment of Bridge Barrier Safety
The need for higher performance bridge barriers has been reflected in changes in barrier
A Vehicle Assessment Tool for Access Decision Support
Bridges on the Australian highway network are ageing, just as economic demands require increasing freight volumes. New trucks are continually being developed, and this has accelerated under the new National Heavy Vehicle Regulator’s Performance-…
Restoration of the Kimberley Rail Bridge
Kimberley Rail Bridge, which spans the Mersey River in Tasmania, is one of the critical pieces of rail infrastructures on TasRail’s freight network. The heritage listed bridge was severely damaged during what has been considered as one of Tasmania’s…
A New Damage Indicator for Drive-by Monitoring using Instantaneous Curvature
Drive-by monitoring has enhanced the possibilities for bridge damage detection, with the potential to deliver a bridge rating in the time it takes an instrumented vehicle to pass overhead. This paper outlines the importance of Instantaneous…
Improving Corrosion Resistance of Reinforced Concrete Structures Using Carbon Fibre Reinforced Polymer
Corrosion of steel is regarded as one of the most important issues for the durability of reinforced concrete (RC) structures, as corrosion can induce the serviceability decrease, bond strength dropping, steel properties reduction, and longitudinal…
Dynamic Load Allowance: A Synthesis of the State of the Art
The dynamic interaction between heavy vehicles and bridges is a key consideration for bridge loading. Over many decades, engineers have sought to understand the phenomenon and determine suitable design rules to ensure safe designs. However, with the…