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Bruneau, Michel, Bisson, Marc A. 2009-03-25T20:13:37Z 2009-03-25T20:13:37Z 1997 1997 Source: Masters Abstracts International, Volume: 36-04, page: 1137. 9780612263017 http://hdl.handle.net/10393/10299 http://dx.doi.org/10.20381/ruor-8222 Many older buildings have been constructed using what are considered today as semi-rigid or flexible types of connections. A concrete encasement was typically added to columns in the past for the sole purpose of fire protection. The behaviour of semi-rigid connections under cyclic loading and the contribution to seismic resistance of the concrete encasement is a concern. An experimental investigation was undertaken to determine the effect of concrete encasement on cyclic behaviour of a typical riveted stiffened seat angle connection, and the improvement in behaviour when retrofitted with a proposed method. Existing connections were tested and hysteretic moment-rotation curves were obtained. Models previously developed by other researchers were verified and practical recommendations are presented. 128 p. University of Ottawa (Canada) Engineering, Civil. An experimental study on the cyclic behaviour of riveted stiffened seat angle connection with concrete encasement. Thesis M.A.Sc. Masters open.access