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FLEXURE <br /> Fig.3.9.9 Design stress for underdeveloped strand <br /> 300 <br /> 3/8 in.dia. <br /> Ssy�/� <br /> 200 _ _ - - -- - ---- — _ <br /> 1 2 in.diameter strand <br /> , fP„ ksi - .. - - --- - - 7/16 in.die. <br /> 100 <br /> fM � lOksi <br /> �0 20 40 5g • 60 ' 80 . , <br /> Length from member end, in. <br /> Curves based on Sect. 12.10,ACI 378�77 <br /> ' ryPCI Da�lpn Ha�dbaoM �a 3-57 <br /> U <br /> —�- - --- <br />