Flexural Behaviour of 3DCP Beams with Expanded Metal Sheet Reinforcement: Experimental Investigation and Numerical Verification
DOI:
https://doi.org/10.26906/znp.2025.64.4144Keywords:
3D-printed concrete (3DCP), flexural tensile strength, expanded metal sheet, finite-element modelling, permanent formworkAbstract
An experimental and numerical study of the flexural behavior of 3D-printed concrete (3DCP) beams reinforced with expanded metal sheet are presented in this paper. Four-point bending tests on beams of 3DCP were carried out in accordance with DSTU B V.2.7-214:2009, recording load–deflection curves and strains. The 3DCP showed an equivalent axial tensile strength 30–45 % lower than that of class C16/20 concrete. Correctly oriented sheet reinforcement increased failure load and flexural toughness by about 30–40 %, while a 3D FE model in LIRA-FEM reproduced ultimate loads within 5–10 % but underestimated stiffness.
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Copyright (c) 2025 Petro Reznik , Dmytro Petrenko, Anton Volodymyrov, Dzhamaldii Alataiev
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