Abstract
New Organo-Silane nanotechnology, apart from other green benefits, enables dropping of mixing and compaction temperatures of Hot Mixes. Although, the concept of Warm Mix Asphalt (WMA) has been around for a while, the available WMA technologies only talk of drop in mixing temperature and not the compaction temperature, which the new Organo-Silane technology does. It is therefore prudent to call this technology, a ‘Warm Compaction’ technology. In addition, this ‘Warm Compaction’ technology improves strength, fatigue resistance and water resistance, leading to potential extension of pavement life, contributing to sustainability. This paper presents the summary of laboratory studies made at the IMT (Instituto Mexicano del Transporte), Mexico, and Braunschweig University, Germany to assess stiffness modulus, fatigue-resistance and water-resistance of this ‘Warm Compaction’ technology at different mixing and compaction temperatures for optimization.
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