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A platform for research: civil engineering, architecture and urbanism
Web side plate connections for cold formed flanged beams
The Hollow Flange Beam (HFB) was developed and manufactured by Palmer Tube Mills. The intended use of the HFB was for roof beams, rafters, floor (including mezzanine floor) beams, and portal frames for commercial, industrial and domestic applications. These applications would utilise flexible and rigid connections. HFB's are manufactured from a single strip of high strength steel on the same electric resistance welding tube mills which produce the circular, square and rectangular hollow sections. The steel strip is fed through a series of forming mills and is subsequently cold-formed into a 'dogbone' like shape. The flanges are then continuously welded to the web and the section is subsequently sized and shaped to the final dimensions. The HFB was made commercially available to Australian industry in September 1993. However, due to serious commercial reasons, the manufacturer ceased production of the HFB section during 1995 though research is continuing on its use in overseas markets. An investigation into the behaviour and design of web side plate connections for HFB is considered. Flexible connections such as the web side plate connection require a specific testing rig and procedures to simulate realistic joint shear forces and rotations. The development of such a rig and procedures is described. Design models are also investigated to predict critical failure modes and loads These are compared with the test results. Proposals for the improvement of design models to conform with member design assumptions are also presented.
Web side plate connections for cold formed flanged beams
The Hollow Flange Beam (HFB) was developed and manufactured by Palmer Tube Mills. The intended use of the HFB was for roof beams, rafters, floor (including mezzanine floor) beams, and portal frames for commercial, industrial and domestic applications. These applications would utilise flexible and rigid connections. HFB's are manufactured from a single strip of high strength steel on the same electric resistance welding tube mills which produce the circular, square and rectangular hollow sections. The steel strip is fed through a series of forming mills and is subsequently cold-formed into a 'dogbone' like shape. The flanges are then continuously welded to the web and the section is subsequently sized and shaped to the final dimensions. The HFB was made commercially available to Australian industry in September 1993. However, due to serious commercial reasons, the manufacturer ceased production of the HFB section during 1995 though research is continuing on its use in overseas markets. An investigation into the behaviour and design of web side plate connections for HFB is considered. Flexible connections such as the web side plate connection require a specific testing rig and procedures to simulate realistic joint shear forces and rotations. The development of such a rig and procedures is described. Design models are also investigated to predict critical failure modes and loads These are compared with the test results. Proposals for the improvement of design models to conform with member design assumptions are also presented.
Web side plate connections for cold formed flanged beams
Grobblechverbindungen für kaltgeformte Doppel-T-Stahl-Hohlträger
Syam, A.A. (author) / Hancock, G.J. (author)
Structural Steel Developing Africa, 1996 ; 281-288
1996
8 Seiten, 4 Bilder, 1 Tabelle, 18 Quellen
Conference paper
English
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