Issue 73

N. Laouche et alii, Fracture and Structural Integrity, 73 (2025) 88-107; DOI: 10.3221/IGF-ESIS.73.07

A study on the crack presence effect on dynamical behavior of higher order Quasi-3D composite steel-polymer concrete box section beams via DQFEM Nassim Laouche Department of Planning and Hydraulic Engineering, Higher National School of Hydraulics, Blida, Algeria n.laouche@ensh.dz, https://orcid.org/0000-0002-1376-5032 Ahmed Saimi Mechanical engineering Department, Faculty of Science and Technology, University Belhadj Bouchaib, Ain Temouchent, Algeria ahmed.saimi@univ-temouchent.edu.dz, https://orcid.org/0000-0002-3722-2526 Ismail Bensaid IS2M Laboratory, Mechanical engineering Department, Faculty of Technology, University Abou Beckr Beklaid, Tlemcen, Algeria ismail.bensaid@univ-tlemcen.dz, https://orcid.org/0000-0003-4316-0648 Mouloud Dahmane Department of Planning and Hydraulic Engineering, Higher National School of Hydraulics, Blida, Algeria m.dahmane@ensh.dz , https://orcid.org/0009-0001-2032-2141 Hassen Ait Atmane Department of Civil Engineering, Faculty of Civil Engineering and Architecture, University Hassiba Benbouali, Chlef, Algeria aitatmane2000@yahoo.fr, https://orcid.org/0000-0001-7248-2975

Citation: Laouche, N., Saimi, A., Bensaid, I., Dahmane, M., Ait Atmane, H., A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM, Fracture and Structural Integrity, 73 (2025) 88-107.

Received: 28.03.2025 Accepted: 09.05.2025 Published: 11.05.2025 Issue: 07.2025

Copyright: © 2025 This is an open access article under the terms of the CC-BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

K EYWORDS . Quasi 3D beam theory, DQFEM, free vibration, critical buckling, composite beam, crack.

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