September 3rd 2020
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SAT was pleased to present to industry the Third Edition of TG2 for BSMs, incorporating 18 years of experience and new technologies. The first TG2 guideline was published in 2002 for foamed bitumen only and the Second Edition for BSMs in 2009.
This technology has now been implemented globally and the manual has been assembled using evaluation data from abundant project investigations and long-term pavement performance records. This has allowed the DEMAC materials classification system to be updated, mix design procedures to be overhauled and refined, and the Pavement Number method to be updated. At the same time, a mechanistic design function has been developed for BSM pavement structures.
Consequently, new and appropriate testing protocols have been developed. The classification of BSMs has also been updated.
This latest TG2 publication also addresses gaps in the application of cold recycling technology. A new chapter is introduced to provide best practice guidelines for pavement evaluation and rehabilitation design strategy.
This TG revision will play an important role in effectively uplifting the sustainability profile of pavement engineering.
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