Abstract
To contribute towards the development of improved failure criteria for pavement systems that could potentially replace Miner's hypothesis in future pavement design guides, Hillerborg's Fictitious Crack Model can be used to simulate crack propagation in concrete pavement slabs, thereby dispensing with the need to conduct time consuming and expensive physical experiments in the laboratory and the field. Commercial finite element program ABAQUS is used for slabs assumed to rest on a dense liquid foundation, and to be loaded by an edge load. Both notched and unnotched slabs are considered, and the effects of various loading parameters, notch size, size of the loaded area, slab thickness and slab size are examined. A comparison is made between displacement and loading-controlled testing of the slabs.
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