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http://dx.doi.org/10.5659/AIKAR.2022.24.2.53

Effect of Plan Irregularity and Beam Discontinuity on Structural Performances of Buildings under Lateral Loadings  

Islam, Md. Rajibul (Department of Civil and Environmental Engineering, Kongju National University)
Chakraborty, Sudipta (Department of Civil and Environmental Engineering, Kongju National University)
Kim, Dookie (Department of Civil and Environmental Engineering, Kongju National University)
Publication Information
Architectural research / v.24, no.2, 2022 , pp. 53-61 More about this Journal
Abstract
Irregularities in the structure are crucial factors in screening structural vulnerability under extreme loadings. Numerical analyses were carried out considering wind and seismic loadings for four structures with discrete irregularity: continuous and discontinuous beams with varied story levels, and L-shaped irregular buildings. Structural responses such as maximum displacements, bending moments, axial forces, torsions, and story drifts are evaluated as per the criteria and limits defined by ACI 318. The outcomes indicate that the frame system with beam discontinuity on the upper half of the height exhibits the best structural performance. The results also indicate that the asymmetrical design of the L-shaped model makes it more susceptible to damage when subjected to strong lateral loading conditions.
Keywords
Lateral loads; Plan irregularity; L-shaped frame system; Beam discontinuity; Linear static analysis;
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Times Cited By KSCI : 3  (Citation Analysis)
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