Authors : Sanyogita K. Shinde; Priti Rana

Volume/Issue : Volume 10 - 2025, Issue 12 - December

Google Scholar : https://tinyurl.com/ywhtsyxc

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DOI : https://doi.org/10.38124/ijisrt/25dec1044

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Abstract : The evolution of high-rise buildings with complex geometrical configurations has led to the increasing adoption of twisted or rotated structural forms in modern urban skylines. Twisted buildings, characterized by progressive floor rotation along the height, offer architectural distinction and potential aerodynamic advantages. However, such configurations introduce significant structural challenges due to torsional irregularity, non-uniform stiffness distribution, and complex load transfer mechanisms. This review paper critically examines nine previous research studies related to the seismic and wind performance of twisted tall buildings, with emphasis on rotation angles, torsional response, lateral displacement, storey drift, base shear, and time-period variation. The reviewed studies include numerical analyses, wind tunnel experiments, soil– structure interaction considerations, and evaluations of different structural systems such as shear walls, outriggers, and diagrids. Based on the synthesis of existing literature, key limitations and unresolved issues are identified. The review highlights a clear research gap in the systematic analysis of G+50 twisted buildings with multiple rotation angles under combined lateral loading conditions. The findings of this review establish a strong foundation for future analytical and parametric studies aimed at optimizing twist angles while ensuring seismic safety and structural efficiency.

Keywords : Twisted Buildings, G+50 High-Rise Structures, Rotation Angle, Torsional Irregularity, Seismic Response, Lateral Loads.

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