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. 2021 Jun 29;14(13):3631. doi: 10.3390/ma14133631

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Difference between the numerical constitutive law (blue) and real crack-bridging relationship (red) causing a discrepancy between the average crack widths of the model and experimental SHCC specimens.