Khosravi, Hossein, Shahri, Mahdiye, Bahram, Mohammad. (1405). Impact of rigid and semi-rigid connections on dual-steel frames with various bracing systems using non-linear dynamic analysis. هنرهای کاربردی, 14(3), -. doi: 10.22075/jrce.2025.2442
Hossein Khosravi; Mahdiye Shahri; Mohammad Bahram. "Impact of rigid and semi-rigid connections on dual-steel frames with various bracing systems using non-linear dynamic analysis". هنرهای کاربردی, 14, 3, 1405, -. doi: 10.22075/jrce.2025.2442
Khosravi, Hossein, Shahri, Mahdiye, Bahram, Mohammad. (1405). 'Impact of rigid and semi-rigid connections on dual-steel frames with various bracing systems using non-linear dynamic analysis', هنرهای کاربردی, 14(3), pp. -. doi: 10.22075/jrce.2025.2442
Khosravi, Hossein, Shahri, Mahdiye, Bahram, Mohammad. Impact of rigid and semi-rigid connections on dual-steel frames with various bracing systems using non-linear dynamic analysis. هنرهای کاربردی, 1405; 14(3): -. doi: 10.22075/jrce.2025.2442

Impact of rigid and semi-rigid connections on dual-steel frames with various bracing systems using non-linear dynamic analysis

Journal of Rehabilitation in Civil Engineering
دوره 14، شماره 3 - شماره پیاپی 43، پاییز 2026    اصل مقاله (1.32 M)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2025.2442
نویسندگان
Hossein Khosravi* 1؛ Mahdiye Shahri2؛ Mohammad Bahram3
1Assistant Professor, Department of Civil Engineering, Hakim Sabzevari University, Sabzevar, Iran
2Department of Civil Engineering, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
3Department of Civil Engineering, Hakim Sabzevari University, Sabzevar, Iran
چکیده
During the occurrence of various earthquakes, the formation of local cracks in the connections of the steel frames is regarded as a main problem. Hence, scholars have paid a special attention to the application of steel frames with semi-rigid connections. So far, the frames with semi-rigid connections are rarely utilized, which is mainly due to their high drift rate. In the present article, the impact of semi-rigid connections on the dual-steel frames with various bracing systems was assessed using non-linear dynamic analysis. For accomplishing the analysis, the PERFORM 3D Software was used and the bilinear models were used for modelling the behavior of frames' members. The parameters investigated include maximum base shear, period, frames' drift and energy depreciation of dual systems. The obtained results indicated that the semi-rigid connections lead to decrease in the base shear, while the braces of dual system compensate the increase of drift resulted from utilization of semi-rigid connections.

تازه های تحقیق
  • Semi-rigid connections in dual-steel frames reduce maximum base shear while braces compensate for increased drift.
  • The structure period increases with semi-rigid connections and higher floor counts, resulting in softer seismic behavior and reduced forces.
  • Dual systems effectively control lateral drifts, particularly under semi-rigid connection configurations.
  • The stiffness of braces minimizes the impact of semi-rigid connections on hysteresis energy absorption.
کلیدواژه‌ها
Semi-rigid Connections؛ Dual Systems؛ Non-linear Dynamic Analysis
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