MDX Software - FAQ #9<BR><BR>

How are internal and external bracing given in box girders in
    Girder System Projects?<BR>
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<BR>

<UL>
    If there is bracing both external and internal to the box girder in
    Girder System Projects, external bracing is given in the usual
    manner (with BR-i data in parallel/concentric geometry projects, or
    with BRINCD in general geometry projects) and internal bracing is
    given with INB-i data.  Internal bracing INB-i is not used in the
    analysis, and only for compression flange bracing locations
    (BR data in girder input) in addition to those that are
    generated from BR-i in girder system input. INB-i is not used to
    generate bracing members in bracing input data.
</UL><BR><BR>


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