Techno Press


Steel and Composite Structures   Volume 1, Number 4, December 2001, pages 441-458
DOI: http://dx.doi.org/10.12989/scs.2001.1.4.441
 
Flexural behvior of partially-restrained semirigid steel connections
G. Campione and N. Scibilia

 
Abstract     [Full Text]
    We analyzed the experimental and theoretical behavior of a particular type of steel joint designed tornconnect beam to beam and able to transfer both shear forces and bending moments. This joint is characterizedrnby the use of steel plates and bolts enclosed in the width of the beams. The experimental investigation wasrncarried out characterizing the constituent materials and testing in flexure beams constituted by two portions ofrnbeams connected in the middle with the joint proposed. Connections having different characteristics in termsrnof thickness of plates, number and type of bolts were utilized. Flexure tests allow one to determine the load-deflectionrncurves of the beam tested and the moment-rotation diagrams of the connections, highlighting thernstrength and the strain capacity of the joints. The proposed analytical model allows one to determine thernmoment-rotation relationship of the connections, pointing out the influence of the principal geometrical andrnmechanic characteristics of single constituents on the full properties of the joint.
 
Key Words
    experimental testing; semirigid connections; monotonic behavior; failure mode; beam-beam joints; load-deflection curves; moment-rotation curves; analytical model.
 
Address
G. Campione and N. Scibilia, Dipartimento di Ingegneria Strutturale e Geotecnica, Universita di Palermo, Viale delle Scienze-I-90128, Italy
 

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