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A new method to determine the influence of water on mechanical properties of asphalt concrete

ABSTRACT Water induced damage is known to occur in different pavements. The process of the development of the damage, however, is still poorly understood. Much of the damage is actually due to the simultaneous action of water and loading. Tests to assess this process are on an intermediate level at best. The research presented in this paper deals with a new approach to determine water sensitivity by combining a fatigue test with the action of water. In this feasibility study it was possible to show the influence of water even in cases where the use of a good binder prevented discrimination between mineral aggregates in the classical water sensitivity test.