3110 Tapered Columns

The state-of-the-art design for tapered structural members was provided in the SSRC guide (Galambos 1988). The charts as shown in Figure 31.24 and Figure 31.25 can be used to evaluate the effective length factors for tapered column restrained by prismatic beams (Galambos 1988). In these figures, IT and IB are the moments of inertia of top and bottom beams, respectively; b and L are lengths of beam and column, respectively; and g is the tapering factor as defined by g = ^ ( 31.117)

where d0 and d1 are the section depths of column at the smaller and larger ends, respectively.

0 0

Post a comment