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SAP2000 SAP2000 Web Tutorial 1

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Figure D-2: Frame Hinge Property Data For Generated Pushover Hinge 1H2<br />

• The default hinge properties are symmetric.<br />

• In the scaling area the Yield Rotation is filled in and the Yield Moment is gray and<br />

inactive. TheYield Rotation was calculated by the program based on the associated<br />

frame section property. The Yield Moment is inactive because this is a PMM hinge and<br />

there is no single yield moment, there is a yield (interaction) surface instead. If this were<br />

just a moment hinge then there would be a value in the Yield Moment box.<br />

• The acceptance criteria are θ/θ Y values.<br />

• Click the Define/Show Interaction button to display the Frame Hinge Interaction<br />

Surface dialog box. In this dialog box which is mostly inactive because you are viewing<br />

a generated hinge property, note:<br />

ä The User Definition option is used.<br />

ä The Doubly Symmetric About M2 and M3 check box is checked.<br />

ä Five curves are used to define the interaction surface.<br />

<strong>SAP2000</strong> <strong>Web</strong> <strong>Tutorial</strong> 1 95

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