The IBC Section 2308.9 in the 2009 edition covers wall bracing. Basically a return wall that is similar to a shear wall but is not necessarily a shear wall. This wall is referred to as a braced wall as it is bracing the wall running perpendicular to it. The IBC then states that you need a braced wall ever 25' or 35' depending on seismic design category.
Question - If diaphragm strength and deflection criteria are met and shear wall strength and deflection criteria are met are braced walls still required?
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