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http://dx.doi.org/10.4334/JKCI.2004.16.4.573

Experiments on Shear Connections of PSC Girders with Prefabricated Slabs  

Shim Chang-Su (Dept. of Civil Engineering, Chung-Ang University)
Chung Chul-Hun (Dept. of Civil Engineering, Dankook University)
Hyun Byung-Hak (Dept. of Civil Engineering, Dankook University)
Kim Young-Jin (Daewoo institute of construction Technology)
Publication Information
Journal of the Korea Concrete Institute / v.16, no.4, 2004 , pp. 573-579 More about this Journal
Abstract
For the fast construction and replacement of bridges in urban area, a prefabricated bridge system can be an excellent alternative. Details of prefabricated slabs for PSC girders were developed and static tests on shear connections were conducted to propose design equations of the shear connection. Stirrups and stud connectors were used as shear connectors and non-shrink mortar was used for the filling material in shear pockets for shear connectors. Stirrups and studs were fabricated to insert embedded nut-type devices in PSC girders. Shear strength of the shear connection considering chemical bond, friction and mechanical connectors was evaluated and empirical equations were suggested. Due to the mechanical connectors, ultimate slip capacity of the shear connection was sufficient for shear load redistribution, and suggested details of the shear connection showed good performance in terms of strength and ductility.
Keywords
prefabricated slab; shear connection; shear strength; bond; ductility;
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