Rigid Frames

Rigid Frames

Postby danieb1 » Fri Apr 06, 2018 4:00 am

Under the Kaplan/Brightwood section on rigid frames in lesson Ten: Long Span Structural (using the 4.0 materials):

"Rectangular frames are most often two-hinged. While gabled frames may be two - or three - hinged."

Wait, what? I thought by definition rigid frames were not hinged, and this is what gives them continuity and allows them to transfer their load.
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Re: Rigid Frames

Postby cloudyy » Tue Apr 10, 2018 7:37 am

This is referring to equations of equilibrium. For example, a two-hinged arch is statically indeterminate but a three-hinged arch is determinate.
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