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<br />. x.) Shear: <br /> <br />Hiems Home <br /> <br /> <br />15-20 <br /> <br />20-40 <br /> <br />Total <br /> <br />40-60 <br /> <br />0.0 19354.01bs <br /> <br />Total shear transferred to sidewall = 19354.0 lbs <br /> <br />Unit Shear: <br /> <br />v=R/b <br />Unit Shear ( v ) =1 <br /> <br />66.41 <br /> <br />0.01 374.61plf <br /> <br />199.11 <br /> <br />109.11 <br /> <br />Unit Shear at Midheight walls (Vi): (Design case) <br /> <br />Total width of openings at mid-height wall : <br /> <br />ft <br /> <br />(Avg.) <br /> <br />17 <br /> <br />Length of wall available to resist shear = 34.67 ft <br /> <br />Unit Shear @ Midheight ( Vi ) = <br /> <br /> <br />Select structural element to resist Vi from SBC tables ie. 1710.2B <br /> <br />Shear capacity of structural element: 1050 plf <br />(Masonry, Fv=35psi x 2(1.25si x 12")/ft =1050 pIt) <br />Required length of transverse shearwall = c:::.!ill ft <br />Required length if non-continuous = D3.D ft <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: 10.0 5.0 2.5 -17.5 <br />Unit Hz. Pressure = 252.0 138.0 84.0 0.0 <br />Reaction (R) = 6510.4 3565.2 2170.1 0.0 12245.8 <br />Unit shear (v=RI1) = 99.7 54.6 33.2 0.0 187.4 <br />Tot. opngs. @ mid ht 36.0 36.0 36.0 36.0 36.0 <br />Unit Shear (Vi) = 222.0 121.6 74.0 0.0 417.5 <br /> <br />lbs <br /> <br />ft <br /> <br />Required length of longitudinal shearwall = ~ ft <br />Required length if non-continuous = ~ ft <br /> <br />Page 8 <br /> <br />