Throughout the years of development in laboratory testing of concrete some need has been urged to measure the deformations on the specimens. As there are some methods for this purpose such as putting sensors on the specimens, the need for a new method was still existed. Old fashion methodologies utilize long cables for measuring deformations. On the other hand, digital image correlation (DIC) is a remote technique which can be applied without any physical interaction with the specimen. Being relatively a low-cost option and measuring the displacements in micro level of precision made it very desirable for the researchers over the years. Materials such as concrete can be assumed to heterogeneous as it consists of steel reinforcements, pozzolans, cement, water, and aggregates. Therefore, failures along the concrete specimens can vary from very simple to very complex. Considering these reasons, determining any failure before happening or observing an existing deformation before the failure can be very critical. This paper represents the application of DIC on concrete specimens from relatively small laboratory samples to full-scale in-place specimens. A special attention has been made to the visualizing the failure modes of concrete with DIC. Some notable usages have been observed and noted.
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