Consider a reinforced concrete building frame (beams and columns) with concrete shear walls (between and integral with the columns) designed for seismic resistance per ASCE 7-05 in SDC C or worse. Can this system be classified as a "B. Building Frame System" per Table 12.2-1 or MUST it be classified as a "D. Dual Systems with special moment frames...", or "E. Dual System with intermediate..." Systems D and E will require a more complex analysis particular for higher SDCs. I do not need a "dual system" but I am not sure if "B" can be used due to the presence of the moment frame. Can anyone site a reference that clarifies this? I have not found one.
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