This might seem a silly question but when calculating an interaction diagram for a concrete bearing wall for out-of-plane forces what is the Pn,max? The ACI code points you to the columns section which says that your Pn,max is a portion of your Po. The reduction is based on whether you have ties or spirals that conform to code requirements. Because I'm looking at a wall I don't have ties or spirals. Should I use the full Po with no reduction or be conservative and use the smallest value (0.80Po)? That doesn't seem right but I can't find anything specific. Thanks.
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