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Ingeniería e Investigación

Print version ISSN 0120-5609

Abstract

LARRANAGA RUBIO, Sherley  and  MOLINA HERRERA, Maritzabel. Grade-two resistance screw shear connector behaviour for a 28 MPa concrete section. Ing. Investig. [online]. 2007, vol.27, n.2, pp.18-25. ISSN 0120-5609.

Screw shear connectors are being more commonly used in compound concrete sections in Colombia; however, they have been designed in line with Colombian Seismic-Resistant Standards (NSR-98) rather than those established for stud shear connectors. This work represents a starting point for analysing screw shear connector behaviour. 54 specimens were made for the experiment, consisting of a metallic profile and two concretes slabs where the connectors were embedded. 1/2” (12.7mm), 5/8” (15.9mm) and 3/4” (19.1mm) diameter screws were used and placed at different distances. The push-out test was used with these specimens and results were provided by using some equations for determining this type of connector’s strength in steel-concrete sections.

Keywords : stud shear connector; compound section; screw.

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