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Residential construction-hip beams

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Ridge boards are non-structural because they simply provide a bearing surface 
for rafters on *each* side of the ridge board.  The rafters are tied together 
either with collar ties or by ceiling joists.  The ridge board is incapable 
of providing vertical support to rafters and only provides a bearing surface 
so that slight misalignment of rafters on each side can be tolerated.

On the other hand, rafters connecting to hip beams are not tied together, 
either by collar ties or ceiling joists, and, IMO, must be supported by hip 
beams and the hip beams must be capable of supporting the vertical loads.

Hope this helps.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona

Domenic DeAngelo wrote:

>>I would like to know how engineers address hip beams in residential
construction. Are they carrying members or similar in nature to ridge
boards?
I am of the opinion that they are non-structural and do not require to be
designed.<<

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