THE JOINTS OF COLD-FORMED PURLINS
Abstract
Two
problems of purlin design related to bending moment distribution in continuous
and in simply supported purlin are considered. Bending moment redistribution in
purlin may be realized using bearing spring (BS) elements. Preliminary results
of numerical experiments show the substantial reduction of bending moments in
purlin thus obtaining less section heights and web thicknesses. The approach to
reduction of internal forces in purlins may help in resolving some problems
typical for cold-formed thin-walled structures. There may be also some
optimization possible relating BS- elements lengths and thicknesses and cross
sections.
Keywords
References
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