Volume 12, Number 1 and A (Transaction A: Civil Engineering March 2014) | IJCE 2014, 12(1 and A): 82-95 | Back to browse issues page


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Vidjeapriya R, Vasanthalakshmi V, Jaya K P. Performance of exterior precast concrete beam-column dowel connections under cyclic loading. IJCE. 2014; 12 (1) :82-95
URL: http://ijce.iust.ac.ir/article-1-708-en.html

Abstract:   (10842 Views)
The present study focuses on the performance of precast concrete beam-column dowel connections subjected to cyclic loading by conducting experiments. In this study, one-third scale model of two types of precast and a monolithic beam-column connection were cast and tested under reverse cyclic loading. The precast connections considered for this study is a beam-column connection where beam is connected to column with corbel using (i) dowel bar and (ii) dowel bar with cleat angle. The experimental results of the precast specimens have been compared with that of the reference monolithic connection. The sub-assemblage specimens have been subjected to reverse cyclic displacement-controlled lateral loading applied at the end of the beam. The performance of the precast connections in terms of the ultimate load carrying capacity, post- elastic strength enhancement factor, load-displacement hysteresis behaviour, moment-rotation hysteresis behaviour, energy dissipation capacity, equivalent viscous damping ratio and ductility factor were compared with that of the monolithic beam-column connection. The monolithic specimen was found to perform better when compared to the precast specimens in terms of strength and energy dissipation. In terms of ductility, the precast specimen using dowel bar and cleat angle showed better behaviour when compared to the reference monolithic specimen.
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Type of Study: Research Paper | Subject: Structure- Concrete

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