An Analytical Study on Dynamic Strength Evaluation of Perfobond Strip Shear Connectors

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In this paper, we conducted static push-out simulations of perfobond shear connectors (PBL) using SPH (Smoothed Particle Hydrodynamics), and validated their static strength and failure mechanism. In order to express hydrostatic pressure dependency of concrete in the analysis, The Drucker-Prager criteria with plane cap model and damage concept caused by compression fracture were applied. Appropriateness of constitutive model for concrete was confirmed on their static behaviors comparing with triaxial compression tests. Secondly, dynamic push-out test simulations were conducted using this model. The influence of input load velocity on strength and failure mechanism of perfobond shear connectors was examined.

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179-184

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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