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Abstract
This paper presents a finite-element model of the structural behaviour of reinforced concrete (RC) beams with and without openings externally strengthened with bamboo-fibre-reinforced composite (BFRC) plates. The simulation was performed using ABAQUS Unified FEA 2021HF8 software. The stress–strain relationship of the RC was modelled using a model code for concrete structures, whereas the concrete-damaged plasticity model was used to simulate concrete damage. The predicted crack pattern of the beams was comparable to that from experimental observations. The ultimate load-bearing capacity of RC beams in flexure was predicted with an error of up to 1.50%, while the ultimate load-bearing capacity of RC beams with openings in shear was predicted with an error ranging from 1.89 to 13.43%. The most successful arrangement for strengthening a beam with openings in the shear zone was to place BFRC plates perpendicular to the crack on both sides of the beam’s surface, which increased the beam’s original load-bearing capacity by 110.06% compared to that of the control beam (CB). The most effective method for strengthening RC beams in flexure is to attach a BFRC plate to the entire bottom soffit of the RC beam. This maximises the ultimate load-bearing capacity at the expense of the beam’s ductility.
| Item Type: | Article |
|---|---|
| Additional Information: | Indexed by Scopus |
| Uncontrolled Keywords: | Bamboo-fibre-reinforced composite (BFRC); Beam; Finite-element analysis; Flexural; Strengthening; Shear |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction T Technology > TP Chemical technology |
| Faculty/Division: | Centre of Excellence: Centre of Excellence for Advanced Research in Fluid Flow Institute of Postgraduate Studies Faculty of Chemical and Process Engineering Technology Faculty of Civil Engineering Technology |
| Depositing User: | Prof. Dr. Jolius Gimbun |
| Date Deposited: | 22 Jun 2023 06:57 |
| Last Modified: | 22 Jun 2023 06:57 |
| URI: | http://umpir.ump.edu.my/id/eprint/37803 |
| Download Statistic: | View Download Statistics |
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