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Open AccessArticle

Analysis of the Shear Behavior of Stubby Y-Type Perfobond Rib Shear Connectors for a Composite Frame Structure

School of Civil & Environmental Engineering, Yonsei University, Yonsei-Ro 50, Seodaemun-Gu, Seoul 03722, Korea
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Materials 2017, 10(11), 1340; https://doi.org/10.3390/ma10111340
Received: 27 October 2017 / Revised: 14 November 2017 / Accepted: 14 November 2017 / Published: 22 November 2017
Shear connectors are used in steel beam–concrete slabs of composite frame and bridge structures to transfer shear force according to design loads. The existing Y-type perfobond rib shear connectors are designed for girder slabs of composite bridges. Therefore, the rib and transverse rebars of the conventional Y-type perfobond rib shear connectors are extremely large for the composite frames of building structures. Thus, this paper proposes stubby Y-type perfobond rib shear connectors, redefining the existing connectors, for composite frames of building structures; these were used to perform push-out tests. These shear connectors have relatively small ribs compared to the conventional Y-type perfobond rib shear connectors. To confirm the shear resistance of these stubby shear connectors, we performed an experiment by using transverse rebars D13 and D16. The results indicate that these shear connectors have suitable shear strength and ductility for application in composite frame structures. The shear strengths obtained using D13 and D16 were not significantly different. However, the ductility of the shear connectors with D16 was 45.1% higher than that of the shear connectors with D13. View Full-Text
Keywords: stubby Y-type perfobond rib shear connectors; composite frame structure; shear strength; ductility; push-out test stubby Y-type perfobond rib shear connectors; composite frame structure; shear strength; ductility; push-out test
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Kim, S.-H.; Kim, K.-S.; Lee, D.-H.; Park, J.-S.; Han, O. Analysis of the Shear Behavior of Stubby Y-Type Perfobond Rib Shear Connectors for a Composite Frame Structure. Materials 2017, 10, 1340.

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