Columns shall satisfy the following limitations:
(1) Columns shall be any of the rolled shapes or built-up
sections permitted in Section 2.3 of AISC.
(2) The beam shall be connected to the flange of the column.
(3) Rolled shape column depth shall be limited to W36
(W920). The depth of built-up wide-flange columns shall not exceed that for
rolled shapes.
Flanged cruciform columns shall not have a width or depth
greater than the depth allowed for rolled shapes. Built-up box columns shall not
have a width or depth exceeding 24 in. (610 mm). Boxed wide flange columns
shall not have a width or depth exceeding 24 in. (610 mm) if participating in
orthogonal moment frames.
(4) There is no limit on the weight per foot of columns.
(5) There are no additional requirements for flange
thickness.
(6) Width-thickness ratios for the flanges and web of
columns shall conform to the limits in Table I–8–1 of the AISC Seismic
Provisions.
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