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Rahimi, Mehran, Bargi, Khosrow. (1405). Influence of Geometric Configuration on the Seismic Response of T-Shaped Reinforced Concrete Shear Walls in Steel High-Rise Buildings. پژوهشنامه مدیریت اجرایی, 3(1), 37-50. doi: 10.22080/ceas.2026.31135.1074
Mehran Rahimi; Khosrow Bargi. "Influence of Geometric Configuration on the Seismic Response of T-Shaped Reinforced Concrete Shear Walls in Steel High-Rise Buildings". پژوهشنامه مدیریت اجرایی, 3, 1, 1405, 37-50. doi: 10.22080/ceas.2026.31135.1074
Rahimi, Mehran, Bargi, Khosrow. (1405). 'Influence of Geometric Configuration on the Seismic Response of T-Shaped Reinforced Concrete Shear Walls in Steel High-Rise Buildings', پژوهشنامه مدیریت اجرایی, 3(1), pp. 37-50. doi: 10.22080/ceas.2026.31135.1074
Rahimi, Mehran, Bargi, Khosrow. Influence of Geometric Configuration on the Seismic Response of T-Shaped Reinforced Concrete Shear Walls in Steel High-Rise Buildings. پژوهشنامه مدیریت اجرایی, 1405; 3(1): 37-50. doi: 10.22080/ceas.2026.31135.1074

Influence of Geometric Configuration on the Seismic Response of T-Shaped Reinforced Concrete Shear Walls in Steel High-Rise Buildings

Civil Engineering and Applied Solutions
دوره 3، شماره 1، فروردین 2027، صفحه 37-50    اصل مقاله (1.19 M)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22080/ceas.2026.31135.1074
نویسندگان
Mehran Rahimi؛ Khosrow Bargi*
School of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran
تاریخ دریافت: 08 بهمن 1404،  تاریخ بازنگری: 04 اسفند 1404،  تاریخ پذیرش: 22 اردیبهشت 1405 
چکیده
T-shaped shear walls, due to their three-dimensional behavior, effectively enhance seismic resistance in both principal directions of high-rise buildings. Their performance is strongly influenced by geometric parameters, particularly the flange length-to-thickness ratio and web position. In this study, the seismic behavior of steel high-rise buildings equipped with reinforced concrete T-shaped shear walls was investigated for various flange length-to-thickness ratios, and a comparative assessment with ┼-shaped shear walls was conducted. Linear dynamic response spectrum analysis was performed on 10-, 20-, and 30-story buildings. Maximum story displacements and inter-story drifts were evaluated. The results indicate that with an increase in the flange length-to-thickness ratio, maximum story displacement decreases by 7–22%, and with a further increase in the ratio, the reduction reaches 20–44% compared to the baseline model across different building heights. Furthermore, T-shaped shear walls consistently outperform ┼-shaped configurations, reducing maximum story displacement by 30, 33, and 43% for 10-, 20-, and 30-story buildings, respectively. These findings highlight the significant influence of geometric parameters on seismic performance and provide practical guidance for preliminary design and optimization of shear walls in high-rise steel structures.
کلیدواژه‌ها
Geometric configuration؛ Response spectrum analysis؛ High-rise building؛ T-shaped shear wall
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