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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 | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 28 اردیبهشت 1405 | ||
| 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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آمار تعداد مشاهده مقاله: 21 |
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