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Step 2: Assigning Hinge Properties (Pushover)<br />
We will assign Default-PMM hinges to each end of the moment frame columns and the braced<br />
frame columns. We will assign Default-M3 hinges to each end of the moment frame beams. We<br />
will assign Default-P to the center of each brace.<br />
1. Click in the window labeled 3-D View to make sure it is active. Note when the window is<br />
active, its title bar will be highlighted.<br />
2. From the Select menu choose Select, and then Groups…from the submenu. This will<br />
display the Select Groups dialog box.<br />
3. Highlight the group named FRCOLS by clicking on it.<br />
4. Hold down the CTRL key and highlight the group named BRCOLS by clicking on it to add it<br />
to the selection.<br />
5. Click the OK button to select all of the elements in the FRCOLS and BRCOLS groups.<br />
6. From the Assign menu choose Frame, and then Hinges (Pushover)… from the submenu.<br />
This will display the Frame Hinges (Pushover) dialog box.<br />
7. In this dialog box:<br />
• Select Default-PMM in<br />
the Hinge Property<br />
drop-down box.<br />
• Type 0 in the Relative<br />
Distance edit box.<br />
Note: Relative<br />
distance is<br />
measured from the<br />
I-end of the beam,<br />
and is based on the<br />
clear length<br />
between rigid end<br />
offsets. A “0”<br />
relative distance<br />
indicates the hinge<br />
is at the I-end of the beam. A “1” relative distance indicates the hinge is at the j-<br />
end of the beam. Hinges may be located anywhere along the length of the beam.<br />
• Click the Add button to add a PMM hinge at the I-end (relative distance equals 0) end of<br />
the beam.<br />
<strong>SAP2000</strong> <strong>Web</strong> <strong>Tutorial</strong> 1 90