TY - JOUR
T1 - Fatigue resistance of asphalt binders
T2 - Assessment of the analysis methods in strain-controlled tests
AU - Micaelo, R.
AU - Pereira, André
AU - Quaresma, Luís
AU - Cidade, M. T.
N1 - Sem PDF.
PY - 2015/11/15
Y1 - 2015/11/15
N2 - Fatigue testing of binders is an important subject in asphalt research and in recent decades several test procedures and analysis methods have been proposed. This paper discusses the application of several analysis methods to two different strain-controlled tests, implemented with the DSR. The fatigue laws obtained from the time sweep (TST) and the linear amplitude sweep (LAS) tests with the traditional failure limits, based on a fixed stiffness reduction value, are quite different. Using LAS, with maximum shear stress as failure criterion, gives rise to better results that can be further improved when changing the failure criterion to one based on the dissipated pseudo strain energy evolution.
AB - Fatigue testing of binders is an important subject in asphalt research and in recent decades several test procedures and analysis methods have been proposed. This paper discusses the application of several analysis methods to two different strain-controlled tests, implemented with the DSR. The fatigue laws obtained from the time sweep (TST) and the linear amplitude sweep (LAS) tests with the traditional failure limits, based on a fixed stiffness reduction value, are quite different. Using LAS, with maximum shear stress as failure criterion, gives rise to better results that can be further improved when changing the failure criterion to one based on the dissipated pseudo strain energy evolution.
KW - Asphalt binder
KW - Dynamic shear rheometer
KW - Fatigue
KW - Viscoelastic damage mechanics
UR - http://www.scopus.com/inward/record.url?scp=84940651646&partnerID=8YFLogxK
U2 - 10.1016/j.conbuildmat.2015.08.070
DO - 10.1016/j.conbuildmat.2015.08.070
M3 - Article
AN - SCOPUS:84940651646
VL - 98
SP - 703
EP - 712
JO - Construction And Building Materials
JF - Construction And Building Materials
SN - 0950-0618
ER -