International experience have shown that crumb rubber modified gap graded asphalt can provide improved resistance to crack reflection compared to conventional asphalt mixes. In addition, the use of recycled end-of-life tyres has significant environmental and sustainability benefits. However, there are currently no specifications available for these mixes in Queensland which is a major barrier that prevents road agencies to make use of the benefits offered by this particular type of asphalt.
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Compaction is one of the most important processes in roadway construction. Achieving adequate and uniform compaction of earthworks and pavement materials will ensure long-lasting performance of road infrastructure. This project aims to explore and facilitate the adoption of the Intelligent Compaction (IC) technology in Queensland for earthworks and pavement materials.
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