Change search
ReferencesLink to record
Permanent link

Direct link
Interpretation of the Superpave IDT strength test using a viscoelastic-damage constitutive model
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials.ORCID iD: 0000-0003-2849-5263
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering. (Brobyggnad Inkl StÄlbyggnad)ORCID iD: 0000-0001-7333-1140
2016 (English)In: Mechanics of time-dependant materials, ISSN 1385-2000, E-ISSN 1573-2738, 1-19 p.Article in journal (Refereed) Epub ahead of printText
Abstract [en]

This paper presents a new interpretation for the Superpave IDT strength test based on a viscoelastic-damage framework. The framework is based on continuum damage mechanics and the thermodynamics of irreversible processes with an anisotropic damage representation. The new approach introduces considerations for the viscoelastic effects and the damage accumulation that accompanies the fracture process in the interpretation of the Superpave IDT strength test for the identification of the Dissipated Creep Strain Energy (DCSE) limit from the test result. The viscoelastic model is implemented in a Finite Element Method (FEM) program for the simulation of the Superpave IDT strength test. The DCSE values obtained using the new approach is compared with the values obtained using the conventional approach to evaluate the validity of the assumptions made in the conventional interpretation of the test results. The result shows that the conventional approach over-estimates the DCSE value with increasing estimation error at higher deformation rates.

Place, publisher, year, edition, pages
Springer Netherlands, 2016. 1-19 p.
Keyword [en]
Anisotropic damage, Asphalt concrete, Dissipated Creep Strain Energy (DCSE), Superpave IDT strength test, Visco-elastic-damage
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-187213DOI: 10.1007/s11043-016-9297-9ScopusID: 2-s2.0-84961798950OAI: diva2:929293

QP 201605

Available from: 2016-05-18 Created: 2016-05-18 Last updated: 2016-05-18Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Onifade, IbrahimBalieu, Romain
By organisation
Building MaterialsCivil and Architectural Engineering
In the same journal
Mechanics of time-dependant materials
Applied Mechanics

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 15 hits
ReferencesLink to record
Permanent link

Direct link