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<br />x.) Shear: <br /> <br />Wedgewood Model 1902 <br /> <br /> <br />15-20 <br />17.3 <br /> <br />20-40 <br />0,0 <br /> <br />40-60 <br />0,0 <br /> <br />Total <br />363.8 pvlf <br /> <br /> <br />0,0 10548,8 lbs <br /> <br />Total shear transferred to sidewall = 10548.8 lbs <br /> <br />Unit Shear: <br /> <br />v=R/b <br />Unit Shear (v) =1 269,21 <br /> <br />13.41 <br /> <br />0,01 <br /> <br />0.01 282,61plf <br /> <br />Unit Shear at Midheight walls ( v'): (Design case) <br /> <br />Total width of openings at mid-height wall : 15.5 ft <br /> <br />Length of wall available to resist shear = 21,8 ft <br /> <br />Unit Shear @ Midheight (v') = <br /> <br /> <br />Select structural element to resist v' from SBC tables ie, 1710,2B <br /> <br />Shear capacity of structural element: 490 plf <br /> <br />Required length of transverse shearwall = I 21.5 1ft <br /> <br />Longitudinal shear: <br /> <br />Height: 0-15 15-20 20-40 . 40-60 Total <br />Pressure: 25.2 27.6 33.6 37.2 <br />Contributing Height: 11.0 0,5 -4,5 -24.5 <br />Unit Hz. Pressure = 277.2 13.8 0,0 0.0 <br />Reaction (R) = 5173.9 257,6 0,0 0,0 5431.5 <br />Unit shear (v=R/l) = 89.2 4.4 0,0 0,0 93.6 <br />Tot, opngs. '(liJ mid ht 11.0 11.0 11.0 11.0 11.0 <br />Unit Shear (v') = 110,1 5,5 0.0 0,0 115,6 <br /> <br />lbs <br />plf <br />ft <br />plf <br /> <br /> <br />5/1/9.t <br /> <br />Required length of longitudinal shearwall = I 11.1 1ft <br /> <br />Page 8 <br />