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Title    / Effect of Plan Irregularity and Beam Discontinuity on Structural Performances of Buildings under Lateral Loadings
Authors   (Md. Rajibul Islam) ; (Sudipta Chakraborty) ; (Dookie Kim)
Organization   ARCHITECTURAL INSTITUTE OF KOREA(대한건축학회)
Source   ARCHITECTURAL RESEARCH(대한건축학회 논문집), Vol.24 No.2(2022-06)
Page   Start Page(53) Total Page(9)
ISSN   12296163
Classification   계획 및 설계 
Keywords   // Lateral loads; Plan irregularity; L-shaped frame system; Beam discontinuity; Linear static analysis
Abstract2   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.
Location   대한건축학회