Steel and Composite Structures

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Flexural behavior of partially-restrained semirigid steel connections

  • Campione, G. (Dipartimento di Ingegneria Strutturale e Geotecnica, Universita di Palermo) ;
  • Scibilia, N. (Dipartimento di Ingegneria Strutturale e Geotecnica, Universita di Palermo)
  • Published : 2001.12.25
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Abstract

We analyzed the experimental and theoretical behavior of a particular type of steel joint designed to connect beam to beam and able to transfer both shear forces and bending moments. This joint is characterized by the use of steel plates and bolts enclosed in the width of the beams. The experimental investigation was carried out characterizing the constituent materials and testing in flexure beams constituted by two portions of beams connected in the middle with the joint proposed. Connections having different characteristics in terms of thickness of plates, number and type of bolts were utilized. Flexure tests allow one to determine the loaddeflection curves of the beam tested and the moment-rotation diagrams of the connections, highlighting the strength and the strain capacity of the joints. The proposed analytical model allows one to determine the moment-rotation relationship of the connections, pointing out the influence of the principal geometrical and mechanic characteristics of single constituents on the full properties of the joint.

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