Road Construction
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The costs of sourcing traditional pavement materials are increasing as sources are being exhausted, haulage distances are increasing, and access to traditional sources is increasingly restricted. As a result, jurisdictions are seeking alternative solutions, one of which is the use of recycled materials. Today Austroads released a report that provides…
The Austroads Guide to Pavement Technology Part 5: Pavement Evaluation and Treatment Design includes an interim procedure for the thickness design of foamed bitumen stabilised (FBS) pavements.  However, there are concerns that the interim FBS design procedure is not as well founded as those for conventional treatments due to a lack of…
Wednesday, 08 October 2014

Austroads Receives Award from TAC

The Transportation Association of Canada (TAC) has recognised Austroads for its collaboration in and support of TAC’s work to advance the state of transportation knowledge in Canada. The award was presented to Austroads on the occasion of TAC's centennial celebration. TAC is a not-for-profit, membership-based association that provides a neutral…
Austroads Road Safety Program Manager, Iain Cameron, has been appointed Chair of a new OECD International Transport Forum Working Group established to reduce road fatalities and serious injuries by helping governments to implement a “safe system” approach. The “Working Group on the Implementation of a Safe System Approach” will develop…
SprayLine has been constructing double/double primerseals with crumb rubber modification on a variety of sites in Victoria. It is not typical practice to use two-layer primerseals, or polymer modification in primerseals, and methods to do so are not described by Austroads specification or guidance documents. Austroads engaged the ARRB Group…
A report released today details the latest results of the seal trials in Victoria, New South Wales and South Australia. The trials reported on include: a non-modified binders trial near Gisborne, Victoria and two polymer modified binder (PMB) trials near Coober Pedy, South Australia and Cooma, New South Wales. The…
The horizontal shear stresses applied to pavement surfacings by new configurations of freight vehicles are not yet known. Today Austroads released a report detailing the first suite of testing activities undertaken with a mobile pavement surface wear rig developed by ARRB.  The rig has been designed to gain an improved…
Friday, 19 September 2014

Good Practice in Reseal Programming

This report provides asset managers with practical guidance in the development and delivery of effective resealing programs. It builds on accumulated experience of previous studies and a review of sprayed seal performance throughout Australasia. Sprayed seal treatments constitute the highest percentage of the sealed road networks in Australia and New…
  Austroads established its long-term pavement performance (LTPP) project in 1995. The LTPP study involves monitoring the performance of various types of in-service pavements in different climatic and traffic environments to account for the range of variables influencing pavement performance.  Over the last few years, a significant number of sites have…
Improving freight productivity in Australia requires better access to the road network for heavy vehicle operators. Bridge capacity assessment is critical in this process. A significant number of applications by heavy vehicle operators to access the bridge network are currently assessed using performance based standards. The first tier of these…
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