1 July 2018
New national specifications for Crumbed Rubber Asphalt (CRA), achieved through the work of Australian Asphalt Pavement Association (AAPA) and TSA, with the support of Transport and Main Roads Queensland and Main Roads Western Australia, could see millions more end-of-life tyres headed for reuse as part of Australia’s road infrastructure.
The new national specifications for both Open Graded (OGA) and Gap Graded (GGA) asphalt applications and crumbed rubber spray seal could eventually see nearly 10 percent of the accessible feedstock for tyre-derived crumb rubber produced in Australia consumed in domestic road manufacturing.
Using the new national specifications, state road agencies will be able to set a consistent standard for crumbed rubber road products, in both metropolitan and regional applications, and be better able to gain the known CRA benefits of better drainage, reduced noise, improved rut and crack resistance and reduced maintenance cycles.
Included in the work was a new national specification for rubberised spray seal, offering further road maintenance improvements.
Supporting the national specifications, TSA and AAPA will be delivering a series of information sessions to state and local authority roads bodies, roads engineers and contractors. All with the aim of increasing understanding of the application of the products.
Through the series of short-course workshops, beginning in August this year, TSA and AAPA will outline global best practice and the latest technological developments in road maintenance and building using recycled crumbed rubber.
According to Liam O’Keefe, Market Development Manager for TSA: “The new national specifications are a major step forward. Now, if we can increase knowledge and arrive at a triple benefit of great roads with a better whole-of-life cost, whilst making an impact on a challenging sustainability issue, we will have significantly moved the needle towards a truly circular economy.”
To secure a place at one of the workshops please indicate your expression of interest via the link below:
View the new national specifications for open graded and gap graded applications for CRA via the link below: