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Aissa, Boumedjane, Saadi, Mohamed, Yahiaoui, Djarir, Lahbari, Noureddine. (1404). Numerical Investigation of FRP-Confined Reinforced Concrete Columns Strengthened with Rods Under Cyclic and Monotonic Compression. نشریه هنرهای کاربردی, 13(4), 131-160. doi: 10.22075/jrce.2025.33869.2050
Boumedjane Aissa; Mohamed Saadi; Djarir Yahiaoui; Noureddine Lahbari. "Numerical Investigation of FRP-Confined Reinforced Concrete Columns Strengthened with Rods Under Cyclic and Monotonic Compression". نشریه هنرهای کاربردی, 13, 4, 1404, 131-160. doi: 10.22075/jrce.2025.33869.2050
Aissa, Boumedjane, Saadi, Mohamed, Yahiaoui, Djarir, Lahbari, Noureddine. (1404). 'Numerical Investigation of FRP-Confined Reinforced Concrete Columns Strengthened with Rods Under Cyclic and Monotonic Compression', نشریه هنرهای کاربردی, 13(4), pp. 131-160. doi: 10.22075/jrce.2025.33869.2050
Aissa, Boumedjane, Saadi, Mohamed, Yahiaoui, Djarir, Lahbari, Noureddine. Numerical Investigation of FRP-Confined Reinforced Concrete Columns Strengthened with Rods Under Cyclic and Monotonic Compression. نشریه هنرهای کاربردی, 1404; 13(4): 131-160. doi: 10.22075/jrce.2025.33869.2050

Numerical Investigation of FRP-Confined Reinforced Concrete Columns Strengthened with Rods Under Cyclic and Monotonic Compression

Journal of Rehabilitation in Civil Engineering
مقاله 31، دوره 13، شماره 4 - شماره پیاپی 40، بهمن 2025، صفحه 131-160
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2025.33869.2050
نویسندگان
Boumedjane Aissa* 1، 2، 3؛ Mohamed Saadi3، 4؛ Djarir Yahiaoui3، 4؛ Noureddine Lahbari3، 4
1Ph.D. Candidate, Department of Civil Engineering, Faculty of Technology, University of Batna 2, Batna 5000, Algeria
2Laboratory of Research in Applied Hydraulics, LRHYA, Department of Civil Engineering, Faculty of Technology, University of Batna 2, Algeria
3LGC-ROI, Civil Engineering Laboratory-Risks and Structures in Interactions, Department of Civil Engineering, Faculty of Technology, University of Batna 2, Batna 5000, Algeria
4Professor, Department of Civil Engineering, Faculty of Technology, University of Batna 2, Batna, Algeria
تاریخ دریافت: 01 خرداد 1403،  تاریخ بازنگری: 27 آبان 1403،  تاریخ پذیرش: 26 دی 1403 
چکیده
In this study, a numerical investigation was conducted on the seismic behavior of low-strength reinforced concrete columns, strengthened with steel bars and wrapped with fiberglass tapes and fabrics, using finite element software. The columns were subjected to both monotonic and cyclic loading, and the analysis focused on fracture patterns, failure mechanisms, lateral hysteresis loops, ductility degradation, and stiffness degradation. The results showed that the reference column exhibited brittle shear failure and insufficient ductility. In contrast, the second column, reinforced with steel bars and partially wrapped with fiberglass tapes, demonstrated 30% higher tensile strength compared to the reference column, achieving stable hysteresis loops, improved energy dissipation, and 25% less cracking. The third column, fully wrapped with fiberglass fabric in addition to the steel bars, exhibited 50% higher tensile strength and 75% reduced probability of cracking in the plastic hinge area. These findings underscore the effectiveness of advanced reinforcement techniques in improving the seismic performance of reinforced concrete columns.
کلیدواژه‌ها
FRP؛ Steel bars؛ Column؛ Confined concrete؛ Strengthening؛ Fiberglass bands؛ Tissues؛ Cyclic load؛ Monotonic loading؛ Analysis
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