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Does skipping stories affect my shearwall drift calculation?

April 26, 2017affect calculation drift skipping stories

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Does skipping stories affect my shearwall drift calculation?

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Yes. The rod elongation (PL/AE) is calculated and used in the da, or anchorage slip component of the shearwall drift equation. For example, if there are two stories dependent on one restraint point, the lower story will have to move twice the distance (which is the distance that the rod will elongate) to transfer its overturning forces, as compared to having its own restraint point.