Review of Stone Mastic Asphalt in Western Australia

Project Overview

Stone Mastic Asphalt has long been used in WA due the strength and rigidity of its interlocking stone-on-stone matrix. WARRIP undertook a review of current practices against standards across Germany and Australia to see if there was opportunity for improvement. Industry consultation and laboratory testing provided valuable insights into current practice. Theoretical analysis further clarified how WA could achieve better results with a few updates to the current specification.

Project Stone Mastic Asphalt scaled Review of Stone Mastic Asphalt in Western Australia 1

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The Western Australian Road Research Innovation Program (WARRIP) is a collaborative research initiative between Main Roads Western Australia (Main Roads) and the Australian Road Research Board (ARRB).

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