Partially Restrained Connections in Reinforced Concrete Structures

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Title: Partially Restrained Connections in Reinforced Concrete Structures

Author(s): Gerson Moacyr Sisniegas Alva, Marcelo de Araújo Ferreira, Ana Lúcia Homce de Cresce El Debs

Publication: IBRACON

Volume: 2

Issue: 4

Appears on pages(s): 356-367

Keywords: concrete structures; beam-column connections; semi-rigid connections; structural analysis.

Date: 12/4/2009

Abstract:
This work shows the results of experimental tests in reinforced concrete beam connections conducted at the Engineering School of São Carlos – USP. The experimental results are concentrated in relative rotation between beam and column, important parameters to the evaluation of the moment-rotation curves and the characterization of semi-rigid behavior of the connections. The experimental data were obtained from tests on specimens of exterior beam-column connections. The influence of concrete compressive strength and joint reinforcement transversal rate on relative rotations were investigated. The experimental results were compared with results obtained from theoretical model proposed by FERREIRA [1] for partially restrained connections, allowing an evaluation of percentage the restriction enhanced by types of tested connections.


Brazilian Institute of concrete, International Partner Access.

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