Info

«

ft •

» * a

• «

7 Bars top & bottom

-Asx per ACI 318-02 Section 10.5.7 for d > 36"

Figure 4.28. Arrangement of hoops and crossties; frame beams; special moment frame.

Figure 4.29. Frame column; detailing requirements, special moment frame.

Section 1-1

Figure 4.29. Frame column; detailing requirements, special moment frame.

4.2.4.5. Flexural Reinforcement: Frame Columns

Refer to Figs. 4.29 and 4.30 for schematic details and minimum requirements of transverse reinforcement.

• The flexural strengths of columns shall satisfy the following:

where

X Mc = sum of moments at the faces of the joint, corresponding to the nominal flexural strength of the columns framing into that joint. Column flexural strength shall be calculated for the factored axial force, consistent with the direction of the lateral forces considered, resulting in the lowest flexural strength.

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