LINEAR AND NONLINEAR FRACTIONAL HEREDITARY CONSTITUTIVE LAWS OF ASPHALT MIXTURES

被引：28

作者：

Di Mino, Gaetano ^{[1
]}

Airey, Gordon ^{[2
]}

Di Paola, Mario ^{[1
]}

Pinnola, Francesco Paolo ^{[1
]}

D'Angelo, Giacomo ^{[1
]}

Lo Presti, Davide ^{[2
]}

机构：

[1] Univ Palermo, Dipartimento Ingn Civile Ambientale Aerosp & Mat, Viale Sci,Ed 8, I-90128 Palermo, Italy

[2] Univ Nottingham, Nottingham Ctr Pavement Engn, Nottingham NG7 2RD, England

来源：

JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT | 2016年 / 22卷 / 07期

关键词：

fractional calculus; asphalt mixture; viscoelasticity; viscoplasticity; rheology; mechanical models; creep test; EXACT MECHANICAL MODELS; VISCOELASTIC BEHAVIOR; COMPLEX MODULUS; CALCULUS;

D O I：

10.3846/13923730.2014.914104

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The aim of this paper is to propose a fractional viscoelastic and viscoplastic model of asphalt mixtures using experimental data of several tests such as creep and creep recovery performed at different temperatures and at different stress levels. From a best fitting procedure it is shown that both the creep one and recovery curve follow a power law model. It is shown that the suitable model for asphalt mixtures is a dashpot and a fractional element arranged in series. The proposed model is also available outside of the linear domain but in this case the parameters of the model depend on the stress level.

引用

页码：882 / 889

页数：8