Abstract
The measurements of the width of a localized zone on the surface of notched concrete beams under quasi-static three-point bending were performed using the 2D Digital Image Correlation technique. Different image length resolutions, image search patches and distances between search patch centres were tested. Attention was paid to the accuracy and objectivity of surface displacements measured. An original method was proposed to determine the width of localized zones above the notch based on experiments.
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Research work has been carried out as a part of the Project: “Innovative resources and effective methods of safety improvement and durability of buildings and transport infrastructure in the sustainable development” financed by the European Union (POIG.01.01.02-10-106/09-01)
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Skarżyński, Ł., Kozicki, J. & Tejchman, J. Application of DIC Technique to Concrete—Study on Objectivity of Measured Surface Displacements. Exp Mech 53, 1545–1559 (2013). https://doi.org/10.1007/s11340-013-9781-y
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DOI: https://doi.org/10.1007/s11340-013-9781-y