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Rahimi, Mehran, Bargi, Khosrow, Rezapour, Moein. (1404). Balancing Cost and Seismic Performance: Rectangular vs. T-shaped Shear Walls in Steel Frame Tall Buildings. پژوهشنامه مدیریت اجرایی, 2(1), 12-21. doi: 10.22080/ceas.2025.30091.1043
Mehran Rahimi; Khosrow Bargi; Moein Rezapour. "Balancing Cost and Seismic Performance: Rectangular vs. T-shaped Shear Walls in Steel Frame Tall Buildings". پژوهشنامه مدیریت اجرایی, 2, 1, 1404, 12-21. doi: 10.22080/ceas.2025.30091.1043
Rahimi, Mehran, Bargi, Khosrow, Rezapour, Moein. (1404). 'Balancing Cost and Seismic Performance: Rectangular vs. T-shaped Shear Walls in Steel Frame Tall Buildings', پژوهشنامه مدیریت اجرایی, 2(1), pp. 12-21. doi: 10.22080/ceas.2025.30091.1043
Rahimi, Mehran, Bargi, Khosrow, Rezapour, Moein. Balancing Cost and Seismic Performance: Rectangular vs. T-shaped Shear Walls in Steel Frame Tall Buildings. پژوهشنامه مدیریت اجرایی, 1404; 2(1): 12-21. doi: 10.22080/ceas.2025.30091.1043

Balancing Cost and Seismic Performance: Rectangular vs. T-shaped Shear Walls in Steel Frame Tall Buildings

Civil Engineering and Applied Solutions
دوره 2، شماره 1، فروردین 2026، صفحه 12-21    اصل مقاله (661.84 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22080/ceas.2025.30091.1043
نویسندگان
Mehran Rahimi؛ Khosrow Bargi* ؛ Moein Rezapour
School of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran
تاریخ دریافت: 28 شهریور 1404،  تاریخ بازنگری: 06 مهر 1404،  تاریخ پذیرش: 09 مهر 1404 
چکیده
The economic importance of tall buildings makes the selection of lateral load-resisting systems a critical challenge, as these systems must also be cost-effective. One widely adopted option for such structures is the steel moment frame combined with reinforced concrete shear walls. In many tall buildings around the world, reinforced concrete shear walls are recognized as an efficient lateral system. Improving the performance of these structures through the optimal placement of shear walls in the building plan can result in significant cost savings. A common practice is to modify conventional rectangular shear walls into T, L, or I-shaped configurations. Due to their three-dimensional efficiency, T-shaped shear walls can provide seismic resistance in both principal directions of a building. In this study, an economic comparison was conducted between rectangular and T-shaped reinforced concrete shear walls in steel-frame tall buildings. The results showed that T-shaped shear walls are economically superior to rectangular ones, as they require less material while achieving smaller deformations. Moreover, T-shaped walls do not impose significant architectural or construction challenges, as their geometry facilitates the integration of functional elements such as elevator shafts.
کلیدواژه‌ها
Tall building؛ T-shaped shear wall؛ Seismic behavior؛ Dual system؛ Structural efficiency
مراجع
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