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- In the design preference, set design code to AISC360-05 / IBC2006.
- Select the Define > Load Combination Combinations > Add Default Design Combos option.
- Select the Steel Frame Design option (Figure 1), then select Set Load Combination Data to specify the load cases used in generating load combinations. To include the specified load cases in both the strength and deflection load combinations (Figure 2), select All from the scroll-down menu, then select Copy to.
Figure 1 - Load combination design type
Figure 2 - Strength and deflection assignment