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Steel and Composite Structures Volume 17, Number 1, July 2014 , pages 47-67 DOI: https://doi.org/10.12989/scs.2014.17.1.047 |
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Analytical study of slant end-plate connection subjected to elevated temperatures |
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F. Zahmatkesh, M.H. Osman, E. Talebi and A.B.H. Kueh
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| Abstract | ||
| Due to thermal expansion, the structural behaviour of beams in steel structures subjected to temperature increase will be affected. This may result in the failure of the structural members or connection due to extra internal force in the beam induced by the thermal increase. A method to release some of the thermally generated internal force in the members is to allow for some movements at the end supports of the member. This can be achieved by making the plane of the end-plate of the connection slanted instead of vertical as in conventional design. The present paper discusses the mechanical behaviour of beams with bolted slant end-plate connection under symmetrical gravity loads, subjected to temperature increase. Analyses have been carried out to investigate the reduction in internal force with various angles of slanting, friction factor at the surface of the connection, and allowable temperature increase in the beam. The main conclusion is that higher thermal increase is tolerable when slanting connection is used, which means the risk of failure of structures can be reduced. | ||
| Key Words | ||
| slant bolted end-plate connection; elevated-temperature; symmetric gravity load; friction factor; friction bolt; analytical model | ||
| Address | ||
| (1) F. Zahmatkesh, M.H. Osman, E. Talebi: Faculty of Civil Engineering at Universiti Teknologi Malaysia (UTM), 81310 UTM, Johor, Malaysia; (2) A.B.H. Kueh: Construction Research Centre (CRC), Universiti Teknologi Malaysia (UTM), 81310 UTM, Johor, Malaysia. | ||