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Managing Deteriorated and Vital Assets on the Auckland Motorway Network
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…
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…
Challenges in Seismic Design of Incrementally Launched Bridges of Northern Marmara Motorway
The Northern Marmara Motorway consists in a 115 km long ring road around Istanbul. It includes the iconic 3rd Bosphorus Bridge designed to be the symbol of modern Turkey, but also not less than 37 bridges spread over European and Asian sides.
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…
Network Wide Assessment of Bridge Barrier Safety
The need for higher performance bridge barriers has been reflected in changes in barrier
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 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-…
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…