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2016 ; 9
(9
): ä Nephropedia Template TP
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Characteristics of Ceramic Fiber Modified Asphalt Mortar
#MMPMID28773908
Wan J
; Wu S
; Xiao Y
; Liu Q
; Schlangen E
Materials (Basel)
2016[Sep]; 9
(9
): ä PMID28773908
show ga
Ceramic fiber, with a major composition of Al?O? and SiO?, 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.