E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
72/100
E04C 3/293 (2006.01)
Patent
CA 1222642
Abstract of the Disclosure A composite structural element comprises a main steel beam having a web and at least two flanges extending therefrom, the flanges having oppositely directed outer faces and planar outer edges and defining with the web a recess open away from the web between the outer edges. A mass of concrete fills the recess substantially completely, the outer flange faces being exposed and substantially free of concrete. Another profiled steel beam is fixed to the web of the main beam and is wholly embedded in and covered by the concrete mass. Typically, the main beam is an H- or I-beam and has two such recesses filled with concrete. The other beams can be of T-section or each other beam can be an I- or H-beam. In addition, it is possible to provide longitudinally extending steel reinforcing bars embedded in the concrete mass. Steel fibers can also be embedded as reinforcement in the concrete mass, and this mass can be at least partially made of colloid concrete. The composite structural element of the invention undergoes little loss in strength when exposed over a long period of time to a fire, and can be used as a post or column.
452721
Lahoda Erwin
Lickes Jean-Paul
Reuter Emile
Schleich Jean-Baptiste
Arbed S.a.
Ogilvy Renault
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