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Azarpour, Amir, Tariverdilo, Saeed, Sheidaii, Mohammad. (1404). Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars. نشریه هنرهای کاربردی, 13(3), 1-21. doi: 10.22075/jrce.2024.34264.2106
Amir Azarpour; Saeed Tariverdilo; Mohammad Reza Sheidaii. "Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars". نشریه هنرهای کاربردی, 13, 3, 1404, 1-21. doi: 10.22075/jrce.2024.34264.2106
Azarpour, Amir, Tariverdilo, Saeed, Sheidaii, Mohammad. (1404). 'Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars', نشریه هنرهای کاربردی, 13(3), pp. 1-21. doi: 10.22075/jrce.2024.34264.2106
Azarpour, Amir, Tariverdilo, Saeed, Sheidaii, Mohammad. Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars. نشریه هنرهای کاربردی, 1404; 13(3): 1-21. doi: 10.22075/jrce.2024.34264.2106

Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars

Journal of Rehabilitation in Civil Engineering
مقاله 13، دوره 13، شماره 3 - شماره پیاپی 39، آبان 2025، صفحه 1-21
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2024.34264.2106
نویسندگان
Amir Azarpour1؛ Saeed Tariverdilo* 2؛ Mohammad Reza Sheidaii2
1Ph.D. Candidate, Department of Civil Engineering, Urmia University, Urmia, Iran
2Professor, Faculty of Civil Engineering, Urmia University, Urmia, Iran
تاریخ دریافت: 25 خرداد 1403،  تاریخ بازنگری: 12 شهریور 1403،  تاریخ پذیرش: 17 آبان 1403 
چکیده
Yielding of longitudinal rebars in reinforced concrete (RC) elements leads to the localization of damage and consequently increases repair costs. Two options are available to mitigate this localization in rebar strain: the use of debonded-steel rebars or Glass Fiber Reinforced Polymer (GFRP) rebars. An experimental program was devised, including three specimens with steel, debonded-steel, and GFRP rebars. There is a bold change in the crack pattern, from localized in the case of steel rebar with a crack width of 35 mm, to distributed cracks in the cases of debonded-steel and GFRP rebars, with a crack width smaller than 3 mm. This indicates a significant improvement in terms of repairability for these specimens. The failure drifts of the specimens are 3.5%, 3.5%, and 5.5%, respectively. Results also show that the debonding of steel rebars increases energy dissipation. This demonstrates that by following current practices in the design and construction of RC elements, and simply by debonding steel rebars, it is possible to decrease repair costs.
کلیدواژه‌ها
Debonding؛ Plastic strain؛ Repairability؛ Resilience؛ Seismic performance؛ GFRP reinforcement
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تعداد مشاهده مقاله: 501


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