Linear ViscoElastic (LVE) Behaviour of Pure Bitumen via Fractional Model

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Abstract

By fitting experimental data from static creep/recovery carried out on pure bitumen, it is shown that the fractional modelproposed enables the description of both creep and recovery behaviour with fewer parameters than those needed by othermodels in the literature. In particular, the model is fitted to experimental data of complex modulus |G*| and phase angle δ°obtained from Dynamic Mechanical Analysis. Lastly, it is demonstrated that when the fractional model is used, complexmodulus isotherms for a range of frequencies can be created simply starting from isochronals at f = 1Hz.
Lingua originaleEnglish
pagine (da-a)450-461
Numero di pagine12
RivistaPROCEDIA: SOCIAL & BEHAVIORAL SCIENCES
Volume53
Stato di pubblicazionePublished - 2012

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