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The clear span-to-depth ratio of the beam is limited:
For SMF systems, seven or greater.
For IMF systems, five or greater.
The protected zone is determined:
For unstiffened extended end-plate connections: the portion of the beam between the face of the column and a distance equal to the depth of the beam or three times the width of the beam flange from the face of the column, whichever is less.
For stiffened extended end-plate connections: the portion of the beam between the face of the column and a distance equal to the location of the end of the stiffener plus one-half the depth of the beam or three times the width of the beam flange, whichever is less.
The end plate should be connected to the flange of the column.
The rolled-shape column depth is limited to W36 (W92036 in. (920 mm.) maximum. The depth of built-up wide-flange columns does not exceed that for rolled shapes.
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