2142 Experimental and Analytical Studies of Plated T-Beams Subjected to Negative Bending

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This paper presents the results of an experimental and theoretical analysis of the behaviour of reinforced concrete T-beams strengthened with external bonded steel plates when subject to negative bending. Ten T-beams were tested. The main parameter investigated were width and thickness of bonded plates (the plates have the same cross sectional areas), position of glued plates (i.e. either at the middle or sides of the flange), shear span to effective depth ratio (a/d), and longitudinal reinforcement partially replaced by glued steel plates. A numerical analysis to predict the flexural behaviour of both strengthened and repaired beams was done using a nonlinear finite element approach.
公益社団法人日本コンクリート工学会の論文
1997-06-09