Delnavaz, Ali, Hamidnia, Mohammad. (1394). Behavior Comparison of Uniaxial Cylindrical Columns Strengthened with CFRP. هنرهای کاربردی, 3(2), 80-88. doi: 10.22075/jrce.2015.425
Ali Delnavaz; Mohammad Hamidnia. "Behavior Comparison of Uniaxial Cylindrical Columns Strengthened with CFRP". هنرهای کاربردی, 3, 2, 1394, 80-88. doi: 10.22075/jrce.2015.425
Delnavaz, Ali, Hamidnia, Mohammad. (1394). 'Behavior Comparison of Uniaxial Cylindrical Columns Strengthened with CFRP', هنرهای کاربردی, 3(2), pp. 80-88. doi: 10.22075/jrce.2015.425
Delnavaz, Ali, Hamidnia, Mohammad. Behavior Comparison of Uniaxial Cylindrical Columns Strengthened with CFRP. هنرهای کاربردی, 1394; 3(2): 80-88. doi: 10.22075/jrce.2015.425

Behavior Comparison of Uniaxial Cylindrical Columns Strengthened with CFRP

Journal of Rehabilitation in Civil Engineering
مقاله 7، دوره 3، شماره 2 - شماره پیاپی 6، آبان 2015، صفحه 80-88    اصل مقاله (1.02 M)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2015.425
نویسندگان
Ali Delnavaz1؛ Mohammad Hamidnia* 2
1Assistant Professor, Department of Civil and Surveying Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran
2M.Sc. Structural Eng., Department of Civil and Surveying Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran
چکیده
In recent years application of CFRP sheets in the strengthening of the concrete circular column has increased numerously. Knowing the exact behavior of concrete cylindrical columns confined with CFRP is of the first order of importance. ISIS Code of Canada has given relations for strength increase of circular columns confined with CFRP sheets, these relations are defined for a specified range of confinement pressure, and for higher confinement pressures there are no relations describing the behavior of the confined specimen. In this paper, cylindrical specimens with different concrete strengths and a variable number of CFRP layers were used. They were modeled in finite element software. After verification of models with laboratory works; results of finite element modeling were compared with ISIS Canada. The analytical results show that with a change in concrete strength the results have a different error from ISIS results. Therefore, for confinement pressure of more than the permissible value of ISIS code, change in the amount of strength increases was studied.
کلیدواژه‌ها
Cylindrical specimen؛ CFRP؛ Confinement pressure؛ Uniaxial strength
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