Determination of concrete deformations on the surface of cross-compressed reinforced concrete beams using the digital image correlation method

Keywords

reinforced concrete beams, biaxially compressed concrete, speckle-correlation method, deformations.

Cite as

Ivanytskyi Ya. L., Melnyk I. V., Partuta V. P., Maksymenko O. P., Prystavskyi T. V., and Kovalchuk V. V. Determination of concrete deformations on the surface of cross-compressed reinforced concrete beams using the digital image correlation method. Physicochemical Mechanics of Materials. 2024. 60(6), 032-039.

https://doi.org/10.15407/pcmm2024.06.032

Abstract

The construction of experimental specimens and the results of the study of concrete deformations of linear and cross beams in the biaxial compression zone using an optical-digital system (ODS) are presented. With the help of the ODS, the features of the change in the deformed state of the compressed concrete of the cross beams upper face in the zone of their intersection at all loading stages until the fracture of the upper layer of concrete is revealed. The deformation characteristics of the concrete of these beams under biaxial compression are less than those of the same linear beams tested separately under uniaxial compression.

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