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Bridge Assessment: A comparison of approaches by bridge engineers and the Performance Based Standards Scheme
This document describes the discrepancy between the tiers of bridge assessment documented in the Heavy Vehicle National Law’s Performance Based Standards (PBS) scheme and the tiers of assessment Austroads bridge engineers adopt when conducting…
Higher Order Bridge Assessment in Australia
This report documents the options and methodologies available to conduct higher order assessments of existing bridges which are encouraged by but not currently defined by the new AS 5100.7. This was achieved by investigating the current…
Implementation of a Nationally Consistent Framework for the Assessment of Bridges in Australia
This report extends on the work previously conducted by Austroads in investigating the development and implementation of a national automated bridge assessment framework. The work outlines the ongoing validation works and recommends a set of…
Management of Heavy Vehicle Access to Bridges
Australia has regularly reviewed access to the road and bridge network with a view to increasing transport productivity. The current access regime for heavy vehicles has evolved over time with access now controlled by a range of regulations, notices,…
Introduction of E Class Trams on Melbourne's Tram Network and the Impact on VicRoads' Bridges
Over recent years, Public Transport Victoria through its operator Yarra Trams, has been gradually introducing new class trams (of which the E Class is the heaviest and longest) on Melbourne’s tram network.
A Drift and Displacement Based Seismic Assessment Method for Bridge Abutments
The present study is concerned with the drift and displacement based seismic assessment of bridge abutments. This study is distinguished from previous research that has been reported in the literature in that what is of primary interests is the…
Operational and Inventory Management of Bridges
Theoretical assessments of a bridge network to AS5100.7 identify many bridges operating at margins smaller than those embodied in AS 5100.7. The cost of strengthening these bridges is unpalatable and the consequences of restricting access are…
Shear in Prestressed Concrete I-girder Bridges
Prestressed concrete I girder bridges constructed in the 1960s and 70s have the potential to restrict transport productivity because their AS 5100.7 assessments can be poor despite satisfactory inservice performance. The primary issue is the shear…
Revision of Australian Standard AS 5100 Part 7: Bridge Assessment
The change in title of the 2004 Australian Standard AS 5100 Part 7 Rating to the revised AS 5100 Part 7 Bridge Assessment is symbolic of the change of focus of this part of the standard. The 2004 version of the standard had an objective “to…
Comparative Study of Grillage Analogy and Finite Element Method for Bridge Heavy Load Assessment
Grillage analogy is a popular method for analyzing various types of highway bridges in design offices. For load assessment of existing bridges in Australia, mainly beam line model and grillage analogy are employed to evaluate the structural…