Abstract- In recent years, rapid urbanization, population growth, and limited land availability in urban areas have led to a significant increase in the construction of multi-storey and high-rise buildings. As the height of buildings increases, the structural behavior becomes more complex, and the impact of lateral loads such as earthquake and wind forces becomes highly critical. Conventional Reinforced Cement Concrete (RCC) frame structures are mainly designed to resist vertical loads; however, they may not effectively resist lateral forces in tall buildings. This can result in excessive displacement, higher storey drift, and reduced structural stability, leading to potential structural damage during extreme conditions. To address these challenges, shear walls are introduced as important structural elements. Shear walls are vertical reinforced concrete components that provide high stiffness and strength, helping the structure resist lateral loads efficiently. They play a vital role in reducing displacement, controlling drift, and improving overall stability and safety. Their effectiveness depends on proper design and placement within the structure. The present study focuses on the comparative analysis of a G+12 RCC residential building with and without shear walls under seismic and wind loads using STAAD Pro software. The structural performance is evaluated based on parameters such as storey displacement, storey drift, base shear, bending moment, shear force, axial force, and structural stiffness. The results indicate that the building without shear walls shows higher displacement and drift, while the building with shear walls demonstrates a significant reduction (about 40–50%) and maintains values within permissible limits, indicating improved stability. Additionally, shear walls improve the distribution of internal forces, reducing bending moments and ensuring more uniform axial force distribution. Although the base shear increases in the shear wall structure due to higher stiffness, it reflects better load-resisting capacity. Overall, the structure with shear walls performs significantly better under lateral loads compared to the conventional RCC frame structure. The study concludes that shear walls are essential for improving the safety, stability, and performance of multi-storey RCC buildings, especially in seismic and wind-prone regions.
Gunjate et al. (Fri,) studied this question.
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