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ASPHALT FOCUS AREA

Abstract With all the waste generated by humanity on a daily basis, the roads industry has a responsibility to find sustainable applications for materials re-use and recycling whilst maintaining product quality and performance at the required standards. In recent times, the recycling of glass, plastic, slag aggregates, ground tyre rubber and reclaimed asphalt in fresh

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Download Presentation Abstract Linking the Technical Standards, Guidelines & Manuals can be the difference between the (un)successful implementation of a project. The importance key role players in understanding the link of appropriate information into the project specifications cannot be understated. The current COTO Standard Specification aims to incorporate the latest design requirements for asphalt mixes,

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Download Presentation Abstract Much emphasis is usually placed on getting the asphalt mix design correct, running the relevant trials and agreeing on a final approved mix design for construction. Proper quality management in terms of monitoring and acceptance, which ensures consistency and achieving the desired result, is however often overlooked in practice. A background will

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Download Presentation Abstract As the asphalt industry moves forward, emphasis continues to shift from volumetric properties to performance tests.  The quest for suitable performance tests goes back more than 100 years, pre-dating development of Marshall mix design.  Marshall stability, developed in the 1930s as an indication of permanent deformation resistance, was used until research in

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