Effect of Special Shaped Column on Lateral Load Resistance Capacity of Reinforced Concrete (RC) Building
American Journal of Civil Engineering
Volume 6, Issue 5, September 2018, Pages: 147-153
Received: Aug. 9, 2018; Accepted: Oct. 29, 2018; Published: Nov. 26, 2018
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Atickur Rahaman, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Asif Mostafa Anik, Axis Design Consultants LTD, Dhaka, Bangladesh
N. H. M. Kamrujjaman Serker, Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
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Column plays very important role in reinforced concrete building as total load is transferred through column. When rectangular columns are used in structure, columns can protrude out of the walls and corners which reduce aesthetic view of structure. Concrete structures with specially shaped columns has been found out as a solution of this problem. Not only for aesthetical point of view but also for structural aspect, specially shaped columns perform well. The aim of this study is to evaluate the comparative lateral load resistance capacity of buildings with rectangular columns and buildings with specially shaped columns. Four different buildings (i.e. 6 storey, 10 storey, 15 storey and 20 storey) are analysed with conventional rectangular columns and same buildings are analysed with specially shaped (i.e. L, Tee, cross) columns with same equivalent cross section area as of rectangular columns. In this paper, at first, the proposed buildings are analysed with linear static analysis and Secondly, linear dynamic analysis. From analysis results, it has been found that maximum storey displacements of all building models i.e. 6, 10, 15 & 20 storeys are under acceptable limit for both rectangular and special shaped columns. For rectangular shaped column building, displacement increases 11.78%, 8.83% & 34.84% & 5.51% respectively for 6, 10, 15 & 20 storeys building compared with building with special shaped columns. After analysis and comparison it is concluded that the buildings with specially shaped columns perform better under lateral load conditions than the buildings with conventional rectangular columns under the same loadings.
Special Shaped Column, Rectangular Column, Seismic Analysis, Static Analysis, Dynamic Analysis
To cite this article
Atickur Rahaman, Asif Mostafa Anik, N. H. M. Kamrujjaman Serker, Effect of Special Shaped Column on Lateral Load Resistance Capacity of Reinforced Concrete (RC) Building, American Journal of Civil Engineering. Vol. 6, No. 5, 2018, pp. 147-153. doi: 10.11648/j.ajce.20180605.12
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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