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Materials 2016, 9(9), 788;

Characteristics of Ceramic Fiber Modified Asphalt Mortar

State Key Laboratory of Silicate Materials of Architectures, Wuhan University of Technology, Wuhan 430070, China
Micromechanics Laboratory, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands
Authors to whom correspondence should be addressed.
Academic Editor: Jorge de Brito
Received: 5 June 2016 / Revised: 16 August 2016 / Accepted: 12 September 2016 / Published: 21 September 2016
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Ceramic fiber, with a major composition of Al2O3 and SiO2, has advantages of stability at relatively high temperature, big specific surface area and resistance to external mechanical vibration. It has the potential contribution of improving the rutting resistance and temperature sensitivity of modified asphalt binder by proper modification design. In this research, ceramic fiber was introduced into both pen 60/80 and pen 80/100 asphalt binder by different weight ratios. An asphalt penetration test, softening point test, ductility test and dynamic viscoelastic behavior were conducted to characterize and predict the ceramic fiber modified asphalt mortar (CFAM). Research results indicated that the ceramic fiber has a great effect on reinforcement of asphalt, which makes the asphalt stiffer so that the asphalt can only undertake less strain under the same stress. The heat insulation effect of the ceramic fiber will improve the temperature stability. Complex modulus and phase angle results indicate that the ceramic fiber can significantly enhance the high temperature resistance of soft binder. View Full-Text
Keywords: asphalt binder; asphalt mortar; ceramic fiber; dynamic shear rheometer; SuperPave rutting parameter; SuperPave fatigue parameter asphalt binder; asphalt mortar; ceramic fiber; dynamic shear rheometer; SuperPave rutting parameter; SuperPave fatigue parameter

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Wan, J.; Wu, S.; Xiao, Y.; Liu, Q.; Schlangen, E. Characteristics of Ceramic Fiber Modified Asphalt Mortar. Materials 2016, 9, 788.

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