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A Simple Method of Launch Geometry Design of Prestressed Concrete Bridge in Three Dimensional Space
Incrementally launched prestressed concrete bridges are built in segments in the casting bed. Finished segments are pushed out of the casting bed to leave space for construction of subsequent segments. The resulting geometry of the bridge will be…
Assessment of Existing Composite Bridges
Since the early 1920’s steel-concrete composite bridges have been widely used on New Zealand’s State Highway Network. Unfortunately, many shear connector types that have been used are not supported by current design rules within the standards…
Design of the New Shared Use Path Bridge over the Maribyrnong River Using Weathering Steel
To improve the amenity for cyclists and pedestrians travelling on Melbourne’s second busiest cycle path, a new Shared Use Path (SUP) Bridge has been designed to provide a new and improved crossing of the Maribyrnong River. This new 190 m long and 4.…
AS/NZS 5100.6, Design of Steel and Composite Bridges
This paper presents some of the innovations that will be included within AS/NZS 5100.6, the first harmonized standard between Australia and New Zealand for the design of steel and composite bridges. As Chairs of the Committees responsible for AS/NZS…
Innovative Bridge Pier Solution To Reduce Risks Associated with Construction Adjacent to Railway
Roads and Maritime Services New South Wales (NSW) is currently undertaking an $84 million project to upgrade the Pacific Highway and Wyong Road Intersection at Tuggerah on the NSW Central Coast. The project involves conversion of an existing…
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…
Effect of Factors Influencing Bridge Scour
Scour has been identified as one of the main causes of bridge failures in Australia and worldwide. Accurate estimation of scour around bridge piers is challenging as it requires a comprehensive analysis of the interactions between fluid, soil and…
Innovative Bridge Raising for Flood Immunity
This article describes the innovative raising of an existing 201 m long, six span bridge by 2.3 m for flood immunity.
Reinforced Concrete for the Construction Stage of an Incrementally Launched Bridge
This article discusses the 375m long incrementally launched bridges over the Usuthu River using reinforced concrete, with no pre-stressing, to carry the construction stage loads.
Design and Construction of Twin Track Dudley Street Bridge
The new Dudley Street Bridge is a 74m long structure supporting the Up and Down Regional Rail Link tracks to provide access to Platforms 1 to 8 at Southern Cross Station. The bridge is part of the $3.65 billion Regional Rail Link project in Victoria,…