Determination of endurance limit for different bound materials used in pavements : a review

Abstract

Perpetual pavements are in existence since 1960 with satisfactory performance. These pavements are usually designed based on the endurance limit property of bound pavement materials, which is the critical stress or strain, below which the material can be subjected to an infinite number of load repetitions without causing fatigue failure. The endurance limit value significantly affects the design of a perpetual pavement. Various methods have been proposed for determination of endurance limits for different types of bound pavement materials. This paper presents a comprehensive review of such methods and suggests the suitable method to be adopted for the determination of endurance limit based on bound material type after critical discussions.