An Investigation on the Torsional Effect of Symmetric Moment Resisting Frame System Subjected To Eccentric Reinforced Concrete Lift Wall - A Finite Element Approach

An Investigation on the Torsional Effect of Symmetric Moment Resisting Frame System Subjected To Eccentric Reinforced Concrete Lift Wall - A Finite Element Approach

© 2021 by IJETT Journal
Volume-69 Issue-8
Year of Publication : 2021
Authors : D S Vijayan, J Jebasingh Daniel
DOI :  10.14445/22315381/IJETT-V69I8P222

How to Cite?

D S Vijayan, J Jebasingh Daniel, "An Investigation on the Torsional Effect of Symmetric Moment Resisting Frame System Subjected To Eccentric Reinforced Concrete Lift Wall - A Finite Element Approach," International Journal of Engineering Trends and Technology, vol. 69, no. 8, pp. 179-184, 2021. Crossref,

The regular building structure consists of eccentric or unsymmetrical reinforced concrete lift walls made of shear walls leads to irregular Building in the plan due to uneven distribution of stiffness. Under the circumstance of such buildings located in the high seismic zone, the design engineer`s responsibility becomes more challenging. Hence, the designer must understand the seismic response of irregular structures clearly. This research presents a comparative investigation on the lift wall structure located at the concentric and eccentric position, and it is subjected to lateral seismic load according to the Ethiopian building code. Here, a ground plus ten stories residential building is considered for the investigation, and linear static analysis is performed using the finite element method. In a nutshell, the eccentric lift wall is subjected to additional translation bending and rotational bending that produces an induced story deflection, leading to additional material requirement and is expensive compared to the concentric lift wall.

Irregularity, seismic response, torsion, uneven distribution of stiffness, lift wall, and shear wall

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