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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…
Evaluation and Strengthening of Existing Bridges to Carry Increased Vehicle Weights
Detailed investigation and live-load evaluation was undertaken for several 1930s reinforced concrete bridges followed by strengthening where required.
Movable Span Bridges of NSW: A New Classification System
NSW Roads and Maritime Services manage 26 movable span bridges of which 11 are still operational. These bridges were the subject of a recently completed study undertaken jointly by RMS and GHD Newcastle which focused on the components of each bridge…
Seismic Assessment and Strengthening of Reinforced Earth Bridge Abutment and Approach Walls
The Ngauranga Interchange is located at the intersection of two State Highways that provide the only highway access from the surrounding regions to the city of Wellington, New Zealand. Reinforced Earth® walls retain the seaward side of the off-ramp…
Condition Assessment and Load Rating of Arched Bailey Bridge
The Bailey bridge system was originally invented for military usage during World War II. Since then, it has been used to meet emergency or temporary bridge needs. It has also been widely used as a permanent solution for pedestrian and road bridge…
Anzac Bridge Maintenance Project: Bridge-Specific Assessment of Live Load
Sydney’s ANZAC Bridge was recently the subject of a maintenance project which addressed four main areas to improve the future performance of the structure. These areas were: stay cable improvements
Bridge Widening on Auckland’s Causeway Upgrade
The State Highway 16 Causeway Upgrade Project forms one section of the NZ Transport Agency’s Western Ring Route around Auckland, which is due to be completed by early 2017. The project improves, widens and raises approximately 4.8 km of motorway,…
AS 5100.7 Bridge Assessment: 2014 Revision
The current 2004 revision of AS 5100.7 provides guidance on bridge rating which is the comparison of one assessment loading or vehicle to a code design load. The assessment loading or vehicle can be either a former code design load or a specific…
Assessment Ratios for Evaluating Access by Heavy Vehicles to the Bridge Network
Each year, the Queensland Department of Transport and Main Roads (TMR) receives thousands of requests to allow innovative vehicles, cranes and heavy load platforms to access Queensland&rsquo