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Webinar: Bituminous Binders and Selection and Design of Sprayed Seals: Guide to Pavement Technology Parts 4F and 4K
This webinar, presented on 31 October 2018, provides an overview of the key changes to the Guide to Pavement Technology Parts 4F and 4K, and the significant advances in the areas of binder specifications and sprayed seal design.
Performance of Asphalt and Spray Grade PMBs in Asphalt Mixes
The Australian polymer modified binder (PMB) specification (AGPT/T190) currently requires different binder grades to be used in sprayed sealing and asphalt applications. This study compared the performance of PMBs representing four AGPT/T190 grades…
Webinar: Geopolymer Concrete and its Applications
This webinar, presented on 1 May 2018, outlines the findings of an Austroads geopolymer concrete project and a current update of the use, monitoring and specification of geopolymer concrete by VicRoads over the past nine years. The webinar was…
Guide to Bridge Technology Part 6: Bridge Construction
To ensure that bridges are properly constructed in accordance with the design drawings and specifications, engineers need to be well-informed on all aspects of their design and construction, including awareness of the problems that may arise and the…
Proposed Revisions to AS 5100 Part 5: Concrete
Since the introduction of the current Bridge Design Standard in 2004 there have been real advances in both design and construction methods and in materials technology. The Part 5 Standards Australia Sub-Committee (BD090-05) has responded to this…
Time-Variant Performance Indicators for Concrete Bridges Exposed to Corrosion
The life-cycle performance of concrete bridges exposed to corrosion is investigated based on a set of time-variant probabilistic performance indicators including structural reliability, redundancy, robustness and resilience. The performance…
Incorporating ACI 440.8 into AS 5100.5 for FRP Strengthening Via M80 Upgrade Project Case Study
As bridges age and standards evolve, it has become increasingly necessary to strengthen existing bridges as a much cheaper option than replacing bridges as a whole.
Long-Term Performance of Concrete Bridges Under Extreme Events
Reinforced concrete (RC) structures in a marine environment deteriorate with time due to chloride-induced corrosion of reinforcing bars. Corrosion is initiated by chloride contamination if the structures have poor quality concrete and/or inadequate…
Influence of Placement Method on In-Place Hardened Properties Of Deep Foundation Using SCC
The use of self-compacting concrete (SCC) in identified concrete bridge elements has now been incorporated in NSW Roads and Maritime Services QA Specifications B80 as Annexure B80/G. The use of SCC in precast elements is generally allowed while a…
The New Australian Standard AS 5100 Part 9: Timber Bridges
Timber bridges are enjoying a revival around the world for pedestrian and vehicular use. There are several reasons for this. Growing interest in reducing CO2 emissions and increasing sustainability has paved the way in part. New and innovative use…