A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM
This paper presents a dynamic and critical buckling analysis of the presence of a crack of steel-polymer concrete composite beams modelled using a refined quasi 3D beam theory. The beam model is a hollow steel box section filled with a composite concrete material. The presence of the crack is assume...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2025-07-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/5441/4271 |
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| author | Nassim Laouche Ahmed Saimi Ismail Bensaid Mouloud Dahmane ?Hassen Ait Atmane |
| author_facet | Nassim Laouche Ahmed Saimi Ismail Bensaid Mouloud Dahmane ?Hassen Ait Atmane |
| author_sort | Nassim Laouche |
| collection | DOAJ |
| description | This paper presents a dynamic and critical buckling analysis of the presence of a crack of steel-polymer concrete composite beams modelled using a refined quasi 3D beam theory. The beam model is a hollow steel box section filled with a composite concrete material. The presence of the crack is assumed on both inner concrete core and outer steel layer box, incorporating its effects into the mechanical behavior of the beam. The governing equations for the box beam are derived using the Differential Quadrature Finite Element Method (DQFEM) combined with Lagrange�s principle. The study investigates the natural frequencies and critical buckling loads of steel-polymer concrete composite beams under various crack location and crack depth. Validation is performed by comparing the results with numerical methods and experimental results available in the literature, demonstrating high accuracy. The findings of this research provide valuable insights into the dynamic and stability behavior of box-section beam with composite infill, offering practical guidelines for the design of material-based structures in engineering applications. |
| format | Article |
| id | doaj-art-7b6bbefe70054c6c9f3d7bd533b78cd2 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-7b6bbefe70054c6c9f3d7bd533b78cd22025-08-20T03:58:49ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932025-07-0119738810710.3221/IGF-ESIS.73.0710.3221/IGF-ESIS.73.07A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEMNassim LaoucheAhmed SaimiIsmail BensaidMouloud Dahmane?Hassen Ait AtmaneThis paper presents a dynamic and critical buckling analysis of the presence of a crack of steel-polymer concrete composite beams modelled using a refined quasi 3D beam theory. The beam model is a hollow steel box section filled with a composite concrete material. The presence of the crack is assumed on both inner concrete core and outer steel layer box, incorporating its effects into the mechanical behavior of the beam. The governing equations for the box beam are derived using the Differential Quadrature Finite Element Method (DQFEM) combined with Lagrange�s principle. The study investigates the natural frequencies and critical buckling loads of steel-polymer concrete composite beams under various crack location and crack depth. Validation is performed by comparing the results with numerical methods and experimental results available in the literature, demonstrating high accuracy. The findings of this research provide valuable insights into the dynamic and stability behavior of box-section beam with composite infill, offering practical guidelines for the design of material-based structures in engineering applications.https://www.fracturae.com/index.php/fis/article/view/5441/4271quasi 3d beam theorydqfemfree vibrationcritical bucklingcomposite beamcrack |
| spellingShingle | Nassim Laouche Ahmed Saimi Ismail Bensaid Mouloud Dahmane ?Hassen Ait Atmane 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 quasi 3d beam theory dqfem free vibration critical buckling composite beam crack |
| title | A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM |
| title_full | A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM |
| title_fullStr | A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM |
| title_full_unstemmed | A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM |
| title_short | A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM |
| title_sort | study on the crack presence effect on dynamical behavior of higher order quasi 3d composite steel polymer concrete box section beams via dqfem |
| topic | quasi 3d beam theory dqfem free vibration critical buckling composite beam crack |
| url | https://www.fracturae.com/index.php/fis/article/view/5441/4271 |
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