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http://dx.doi.org/10.12989/scs.2015.18.2.467

Mechanical characteristics of hollow shear connectors under direct shear force  

Uenaka, Kojiro (Department of Civil Engineering, Kobe City College of Technology)
Higashiyama, Hiroshi (Department of Civil and Environmental Engineering, Kinki University)
Publication Information
Steel and Composite Structures / v.18, no.2, 2015 , pp. 467-480 More about this Journal
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.
Keywords
steel-concrete composite deck; hollow shear connector; thickness-to-diameter ratio; web thickness-to-width ratio; shear bond capacity;
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