Experimental study and analytical study of push-out shear tests in Ultra Shallow Floor Beams

Huo, B. Y., D'Mello, C. & Tsavdaridis, K. D. (2010). Experimental study and analytical study of push-out shear tests in Ultra Shallow Floor Beams. Paper presented at the 34th IABSE Symposium - International Association for Bridge and Structural Engineering, 22nd - 24th September 2010, Venice, Italy.

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Abstract

The Ultra Shallow Floor Beam is a new type of composite floor beam fabricated by welding two highly asymmetric cellular tees together along the web and incorporating a concrete slab between the top and bottom flanges. The unique features of this system are circular and elongated web openings that allow tie-bars, building services and ducts passing through the structural depth of the beam. For the composite beam in bending, the longitudinal shear force is transferred by a unique shear mechanism which results from the special configuration of the beam, and shear connectors, if they are present. The work reported in this paper includes a total of 16 full-scale push-out tests aimed at investigating the longitudinal shear behaviour of these beams and the effects of additional shear connectors. A theoretical analysis was also performed to investigate the failure mechanism of the system.

Item Type: Conference or Workshop Item (Paper)
Additional Information: http://dx.doi.org/10.2749/222137810796024051
Uncontrolled Keywords: shear connectors; web openings; shallow floor beam; push-out test; experimental study; theoretical analysis
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/1044

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