The Experimental Study on Built-Up Column Seismic Resistant Moment Connections Using Side Plates

Abstract eng:
Moment Connection of I beams to double-I built-up columns, through the cover plate, impose some problems such as brittle fracture of full penetration groove welds of beam flanges and flexibility of the column cover plate. To modify the connection for use in seismic regions we have proposed using of full-depth side plates. This new geometry eliminates the traditional welded connection between the end of the beam and the face of column and all other uncertainties concerning the cover plate flexibility. A series of experimental and numerical models were developed to study the behavior of the connection under cyclic loadings. The results indicate that this new connection geometry has sufficient strength and ductility to be classified as a special moment connection (SMF) for use in seismic regions.

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