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Steel and Composite Structures Volume 18, Number 2, February 2015 , pages 467-480 DOI: https://doi.org/10.12989/scs.2015.18.2.467 |
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Mechanical characteristics of hollow shear connectors under direct shear force |
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Kojiro Uenaka and Hiroshi Higashiyama
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| Abstract | ||
| The steel-concrete composite decks have high fatigue durability and deformability in comparison with ordinary RC slabs. Withal, the steel-concrete composite deck is mostly heavier than the RC slabs. We have proposed herein a new type of steel-concrete composite deck which is lighter than the typical steel-concrete composite decks. This can be achieved by arranging hollow sectional members as shear connectors, namely, half-pipe or channel shear connectors. The present study aims to experimentally investigate mechanical characteristics of the half-pipe shear connectors under the direct shear force. The shear bond capacity and deformability of the half-pipe shear connectors are strongly affected by the thickness-to-diameter ratio. Additionally, the shear strengths of the hollow shear connectors (i.e. the half-pipe and the channel shear connectors) are compared. Furthermore, shear capacities of the hollow shear connectors equivalent to headed stud connectors are also discussed. | ||
| Key Words | ||
| steel-concrete composite deck; hollow shear connector; thickness-to-diameter ratio; web thickness-to-width ratio; shear bond capacity | ||
| Address | ||
| (1) Kojiro Uenaka: Department of Civil Engineering, Kobe City College of Technology, Gakuenhigashimachi 8-3, Nishi, Kobe, 6512194, Japan; (2) Hiroshi Higashiyama: Department of Civil and Environmental Engineering, Kinki University, Kowakae 3-4-1, Higashiosaka, 5778502, Japan. | ||