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Current Trends in Science and Technology

an Open Access Publication ISSN: 0976-9730 | 0976-9498

Engineering and Technology

Strengthening and Retrofitting of Beam-Column Joints in RC Frames by Using Steel Angular Plates

Ganesh B. Kawale, Dr. G.R. Selokar, Dr. Ashok L.Varne
1 Research scholar, Department of Civil Engineering, SSSUTMS, Sehore, Bhopal, M.P., INDIA 2 Dr. G.R. Selokar, Professor and Registrar, SSSUTMS 3Prof. Ashok L. Varne: Associate Professor, Dept. of Civil Engineering, K. K. Wagh college of Engineering and Research centre, Nashik, M.H., and India. *Correspondence Author: kawaleganesh@rediffmail.com
Online First: November 24, 2017
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Abstract

With reference from the previous earthquakes has posed a serious question on the performance of reinforced concrete (RC) structures, both existing and newly built, under seismic loading. In the present study, exterior beam-column sub-assemblage which is proved to be one of the most critical components of an RC structure has been chosen for investigation. The beam column joint is the typical zone in a reinforced concrete moment resisting frames. It is subjected to large forces during severe ground shaking and its behavior has a significant influence on the response of the structure. This paper explains the objectives to strengthen the joint to avoid the tensile stresses which causes the diagonal cracks at the joint. Four types of test models having different size of attachment to the corner for strengthening purpose are considered for experimental work. The samples are tested for cyclic loading. When the steel angular plates are attached to the inner and outer corner of joint of the specimen, it resist maximum load at the joint. These angular plates provide alternative solution for strengthening and retrofitting of the beam column joint

Keyword : Beam column joint, Framed structure, Ductility, Joint strength, Steel sections, Chamfering, Angular Plates, Opening Moments.

  Submitted
Nov 24, 2017
Published
Nov 24, 2017
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