Abstract
Reduction of hot asphalt mixtures for the usage and development of sustainable supplementary Cold Asphalt Mixtures (CAM) for the construction of road and highway surface layers is a hot subject for researchers around the world. This will cover many advantages in terms of: environment impact, cost effectiveness and energy saving.
The aim of this study is to enhance the properties of a gap graded Cold Rolled Asphalt (CRA) containing cement as filler by addition of a by-product material as an activator. Ordinary Portland cement was added to the cold rolled asphalt as a replacement for the conventional mineral filler (0–100 %), while a by-product material represents Liverpool John Moores University Additive (LJMUA) was added to the whole mix in the range from 0 to 3 % by total mass of aggregate. Laboratory tests included stiffness modulus and uniaxial creep test as indicators to the mechanical properties.
The study concluded that there is a considerable improvement in the mechanical properties from the addition of LJMUA to the CRA containing cement especially for the early life stiffness modulus that is the main disadvantage of the cold mixtures.
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Al-Hdabi, A., Al Nageim, H., Ruddock, F., Seton, L. (2014). Improving the Mechanical Properties of Cold Rolled Asphalt Containing Cement Utilising by Product Material. In: Llinares-Millán, C., et al. Construction and Building Research. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7790-3_59
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DOI: https://doi.org/10.1007/978-94-007-7790-3_59
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