Trailer Magazine

Millions of tyres earmarked for new national roads specifications

  • Posted on Tuesday 3rd, July 2018.

Improved roads will be one of the main objectives of the new national specifications for Crumbed Rubber Modified (CRM) asphalt, with millions of waste tyres likely to be considered as part of road infrastructure going forward.

The new CRM specifications were published by the Australian Asphalt Pavement Association (AAPA) and TSA in June, with the assistance of its partners Transport and Main Roads Queensland, Main Roads Western Australia, Sustainability Victoria and the Australian Road Research Board

Up to 10 per cent of accessible feedstock for tyre-derived crumb rubber produced in Australia, under new specifications for both open graded asphalt (OGA) and gap graded asphalt (GGA) applications, are likely to be absorbed by domestic road manufacturing. That equates, according to TSA, to nearly four million end-of-life tyres per year.

The new national specifications will help state road agencies establish a consistent standard for crumbed rubber road products in metropolitan and regional applications.

AAPA national technology and leadership committee published the document. Acquisition and analysis of vast amounts of research and development data helped develop the specifications to achieve national standards, for use across the country.

Erik Denneman, Director of Technology and Leadership at AAPA said the specifications were a great outcome from the close collaboration between industry and road agencies in Australia.

“For AAPA this initiative fits our objective of encouraging the efficient use of available resources and promoting the use of sustainable products,” he said.

TSA and AAPA will deliver a series of tech-talks to state and local authority road bodies, road engineers and contractors to increase understanding of the application of products.

Liam O’Keefe, TSA Market Development Manager, said reaching a national standard has been critical to increasing the potential market for crumb rubber use in Australian roads.

“To fully realise this potential for that use we must continue to work with industry partners to ensure the delivery of better roads and better environmental outcomes for all,” he said.

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