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Bulb-girder
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cross
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sections,
...
such
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as
...
that
...
shown
...
in
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Figure
...
1,
...
may
...
be
...
created
...
using
...
the
...
...
...
.
To model a bulb-girder section, first open the Section Designer, then use polygons to draw the outline of the section without the corner radius, as shown in Figure 2:
Next, switch to reshape mode by selecting Draw > Reshape Mode. Click on the section, then right-click on each corner joint to specify a radius where needed, as shown in Figure 3:
Figure 4 presents the final bulb-girder cross section. All corners other than those at the extreme fibers are properly modeled with round corners.
Attachments
- SAP2000 V14.2.0 model (zipped .SDB file)