By fitting experimental data from static creep/recovery carried out on pure bitumen, it is shown that the fractional model proposed enables the description of both creep and recovery behaviour with fewer parameters than those needed by other models 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, complex modulus isotherms for a range of frequencies can be created simply starting from isochronals at f = 1Hz.

Fecarotti, C., Celauro, C., Pirrotta, A. (2012). Linear ViscoElastic (LVE) Behaviour of Pure Bitumen via Fractional Model. PROCEDIA: SOCIAL & BEHAVIORAL SCIENCES, 53, 450-461 [10.1016/j.sbspro.2012.09.896].

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

CELAURO, Clara;PIRROTTA, Antonina
2012-01-01

Abstract

By fitting experimental data from static creep/recovery carried out on pure bitumen, it is shown that the fractional model proposed enables the description of both creep and recovery behaviour with fewer parameters than those needed by other models 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, complex modulus isotherms for a range of frequencies can be created simply starting from isochronals at f = 1Hz.
Settore ICAR/04 - Strade, Ferrovie Ed Aeroporti
Settore ICAR/08 - Scienza Delle Costruzioni
Fecarotti, C., Celauro, C., Pirrotta, A. (2012). Linear ViscoElastic (LVE) Behaviour of Pure Bitumen via Fractional Model. PROCEDIA: SOCIAL & BEHAVIORAL SCIENCES, 53, 450-461 [10.1016/j.sbspro.2012.09.896].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/69623
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