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The practical implications of the 0.01 strain limit canalso be considered with respect to the four-story precastconcrete shear wall structure designed in the appendix ofSmith and Kurama based on the experimental validationdescribed in Smith et al. Following the recommendationsfrom Walsh and Kurama,the initial posttensioningstrand stress in this structure was limited to a relatively lowvalue of 0.55 fpu , where fpu is the nominal ultimate strandstrength (compared with the maximum allowable stress of0.70 fpu specified by American Concrete Institute’s (ACI’s)Building Code Requirements for Structural Concrete
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