Flexural Behavior and Failure Modes of Pultruded GFRP Tube Concrete-Filled Composite Beams: A Review of Experimental and Numerical Studies

被引：2
作者：
Al-Ezzi, Mohammed Jalal [1 ,2 ]
Ayamsir, Agusril [3 ,4 ]
Supian, A.B.M. [4 ,5 ]
Beddu, Salmia [1 ,4 ]
Al-Dala’ien, Rayeh Nasr [1 ]
机构：
[1] Civil Engineering Department, College of Engineering, Universiti Tenaga Nasional, Kajang
[2] Civil Engineering Department, University of Bilad AL-Rafidain, Baqubah
[3] Faculty of Engineering, Universitas Putra Indonesia YPTK, Padang
[4] Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional, Malaysia, Kajang
[5] Centre for Defence Research and Technology (CODRAT), Universiti Pertahanan National Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur
来源：
Buildings | 2024年 / 14卷 / 12期
关键词：
composite beam; failure mode; flexural behavior; pultruded GFRP; review;
D O I：
10.3390/buildings14123966
中图分类号：
学科分类号：
摘要：
Pultruded glass fiber-reinforced polymer (GFRP) materials are increasingly recognized in civil engineering for their exceptional properties, including a high strength-to-weight ratio, corrosion resistance, and ease of fabrication, making them ideal for composite structural applications. The use of concrete infill enhances the structural integrity of thin-walled GFRP sections and compensates for the low elastic modulus of hollow profiles. Despite the widespread adoption of concrete-filled pultruded GFRP tubes in composite beams, critical gaps remain in understanding their flexural behavior and failure mechanisms, particularly concerning design optimization and manufacturing strategies to mitigate failure modes. This paper provides a comprehensive review of experimental and numerical studies that investigate the impact of key parameters, such as concrete infill types, reinforcement strategies, bonding levels, and GFRP tube geometries, on the flexural performance and failure behavior of concrete-filled pultruded GFRP tubular members in composite beam applications. The analysis includes full-scale GFRP beam studies, offering a thorough comparison of documented flexural responses, failure modes, and structural performance outcomes. The findings are synthesized to highlight current trends, identify research gaps, and propose strategies to advance the understanding and application of these composite systems. The paper concludes with actionable recommendations for future research, emphasizing the development of innovative material combinations, optimization of structural designs, and refinement of numerical modeling techniques. © 2024 by the authors.
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