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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12022

Title: Seismic response of interior RC beam-column joints upgraded with FRP sheets. II: Analysis and parametric study
Authors: Almusallam, Al-Salloum, Y.A. T.H.,
Keywords: Analytical techniques; Beam columns; Connections; Cyclic loads; Joints; Retrofitting; Seismic effects
Issue Date: 2007
Publisher: ASCE
Citation: Journal of Composites for Construction Volume 11, Issue 6, 2007, Pages 590-600
Abstract: In this paper a procedure for analytical prediction of joint shear strength of interior beam-column joints, strengthened with externally bonded fiber-reinforced polymer (FRP) sheets, has been presented. The procedure is based on the formulation available in the literature. To implement the available formulation for shear capacity prediction a computer program has been developed. Using this program shear capacity of the joint and joint shear stress variation at various stages of loading have been predicted and compared with experimental observations; presented in Part I of this study. Predictions show good agreement with experimental test results. The formulation is further extended to predict diagonal tensile stresses in the joint. The effectiveness of FRP quantity on joint shear strength and on various strains has been studied on parametric basis. It is observed that even a low quantity of FRP can enhance shear capacity of the joint significantly and its effectiveness can be further increased if debonding is suppressed (e.g., through mechanical anchorages). Effect of column axial load on shear strength of the joint has also been studied. It is observed that axial load increases the confinement of the joint core, which in turn increases the shear capacity of the joint. © 2007 ASCE.
URI: http://hdl.handle.net/123456789/12022
ISSN: 10900268
Appears in Collections:College of Engineering

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