Assessment of the effect of seasonal variations on the unbound materials of low volume roads by laboratory testing

摘要

The paper presents the key results of a series of large scale repeated load triaxial tests performed using a test procedure that intended to simulate the effect of seasonal variations. The analysis is made with a special view to the effects of stress level, test specimen condition and type of aggregate on the permanent deformation behavior. Based on the analysis a tentative framework for assessing the need for springtime weight restrictions on a low volume road with a known structure and traffic volume is suggested.