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. 2024 Dec 30;17(1):75. doi: 10.3390/polym17010075

Figure 1.

Figure 1

Specimen production process: (a) rigid steel core 60 × 60 mm2; (b) foam sheet separation skin wrapped on the steel core; (c) BFRP bending bars fixed by wire; (d) CFRP shear reinforcement and their homogenization; (e) installation of reinforcement into the mold; (f) concreting process; (g) demolding; (h) removal of the steel core.