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This test problem evaluates [hinge|kb:Hinge] response when the yield point on the interaction surface changes. Since the yield point is defined by coordinates which couple axial and bending behaviors, post-yield changes in loading conditions will also cause the yield point to change.

For evaluation, a concentrated hinge is assigned to the fixed end of a cantilever beam. A moment and axial-compressive force are applied to the free end. Hinge response is then reviewed for a series of several load sequences which are assigned to a time-history [load case|kb:Load case].

The attached PDF file presents analysis details and results. Also attached is the [SAP2000|sap2000:home] model used to conduct analysis.


h1. Attachments

* [SAP2000 V14.2.0model model|^SAP2000|Hinge response when yield point changes^SAP2000 V14.2.0 model B.zip] (Zippedzipped SDB file)
* [Analysis notes with screenshots|^analysis |Hinge response when yield point changes^analysis log.pdf] (PDF)

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Administrators Seemay pagesee [t:HingesHinge INTERNAL|t:Hinges] for additional information and discussion.
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