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Interior
Frame |
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| A
rigid frame consists of welded-up rafter and sidewall column
sections. Rigid frames are available as symmetrical, unsymmetrical
and single slope shapes in clear span and multi-span options.
Sidewall columns are pinned at the base but may have a fixed
bay for special applications. Rafter is continuous throughout
with a single ridge. Interior columns used with multi-span
rigid frames are pipe sections with pinned connections at both
ends standard and fixed connections optional. Frames are designed
by stiffness analysis in accordance with accepted engineering
practices. |
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End
Frame |
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| Post
and Beam End Walls, Bearing End Frames, and Rigid End Frames
(Half Load) are used at end walls of buildings where future
expansion is not anticipated. Rigid End Frames (Full Load)
are used where future expansion at end of building is anticipated.
End posts in full load rigid end frames are designed to provide
girt support for a “temporary” end wall. Members
are formed from cold formed, hot rolled or welded-up members. |
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Bracing |
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| Ceco’s
engineers will design wind/seismic bracing to meet wind/seismic
load requirements for any given building. Diaphragm bracing
will be used whenever applicable, but will be supplemented
and /or replaced with rod (or cable) bracing when diaphragm
capacity of sheeting is inadequate. If building requirements
preclude the use of rod bracing in side walls, this “X” bracing
will be replaced by Knee Braces, Cantilever Columns, or Portal
Frames. |
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