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. 2021 Nov 28;13(23):4159. doi: 10.3390/polym13234159

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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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Flange-web junction of hollow box pultruded GFRP beam (102 mm × 152 mm × 6.4 mm): (a) image of fibre and matrix architecture, (b) schematic of fibre and matrix architecture, and (c) crack at the flange-web junction under bending [101].