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Seismic Performance Analysis of RCC Multi-Storied Buildings with Plan Irregularity
American Journal of Civil Engineering
Volume 4, Issue 3, May 2016, Pages: 68-73
Received: Mar. 20, 2016; Accepted: Mar. 28, 2016; Published: Apr. 21, 2016
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Mohaiminul Haque, Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology (SUST), Sylhet, Bangladesh
Sourav Ray, Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology (SUST), Sylhet, Bangladesh
Amit Chakraborty, Department of Civil Engineering, Leading University, Sylhet, Bangladesh
Mohammad Elias, Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology (SUST), Sylhet, Bangladesh
Iftekharul Alam, Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology (SUST), Sylhet, Bangladesh
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Bangladesh is one of the most earthquake prone areas in South-Asia and Sylhet is the most seismic vulnerable region in Bangladesh. Seismic performance analysis is highly recommended to ensure safe and sound building structures for this region. To get better performance from reinforced concrete (RCC) structure, new seismic design provisions require structural engineers to perform both static and dynamic analysis for the design of structures. The objective of the this study is to carry out static and dynamic analysis i.e. equivalent static analysis, response spectrum analysis (RSA) and time history analysis (THA) over different regular and irregular shaped RCC building frame considering the equal span of each frame as per Bangladesh National Building Code (BNBC)- 2006. In this study, four different shaped (W-shape, L-shape, Rectangle, Square) ten storied RCC building frames are analysed using ETABS v9.7.1 and SAP 2000 v14.0.0 for seismic zone 3 (Sylhet) in Bangladesh. Comparative study on the maximum displacement of different shaped buildings due to static loading and dynamic response spectrum has been explored. From the analyzed results it has been found that, for static load analysis, effects of earthquake force approximately same to all models except model-1(W-shape).W-shape has been found most vulnerable for earthquake load case. It is also found from the response spectrum analysis that the displacements for irregular shaped building frames are more than that of regular shaped building. The overall performance of regular structures is found better than irregular structures.
Equivalent Static Analysis, Time History Analysis, Response Spectrum Analysis, Regular and Irregular Shape Building, Displacement, Seismic Evaluation
To cite this article
Mohaiminul Haque, Sourav Ray, Amit Chakraborty, Mohammad Elias, Iftekharul Alam, Seismic Performance Analysis of RCC Multi-Storied Buildings with Plan Irregularity, American Journal of Civil Engineering. Vol. 4, No. 3, 2016, pp. 68-73. doi: 10.11648/j.ajce.20160403.11
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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