Abstract
It is well known that cement-based materials form the fracture process zone near crack tip due to material inhomogeneity. It is important that we consider the fracture behavior in fracture process zone because it affects the strength and toughness of materials. In this study, we develop image analysis methods to visualize the fracture process zone in concrete by using the image correlation method. We compare the image analysis results with the experimental result to examine the validity of the present method. To easily understand the fracture behavior in fracture process zone, an experiment using mortar test piece was carried out.
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