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Lateral Forces on Shear Walls and Shear Wall Nailing <br />Calculate Seismic Tributary Weight <br />Plywood and Hardy Frame Shear Walls Plywood and Hardy Frame Shear Walls (two story) Cantilever Steel Column (R= 2.5) <br />psf <br />4.83 <br />Lateral Forces on Shear Walls and Shear Wall Nailing Use 75% Capacity: No Per City Code for Hold down <br />Fseismic = r * Ftotal Foundation Type: Slab on Grade <br />Redundancy Factor, r =1.3 <br />height <br />h <br />Trib. <br />Area S Fabove S F FTotal rFseismic S Fabove S F FTotal L1 L2 L3 L4 Total <br />Length <br />Shear <br />v <br />h/bs <br />Max <br />3.5 <br />Allow. <br />Shear <br />Reduced <br />All. <br />Shear <br />(2bs/h) <br />Edge <br />Nail <br />Spacing <br />Total <br />Dead <br />Load <br />[0.6- <br />0.14SDS] <br />D.L <br />Uplift HD Anchor Allow. <br />Load <br />Min <br />End <br />Post <br />Sizes <br />ft.ft2 lbs lbs lbs lbs lbs lbs ft ft ft ft ft plf plf plf in. lbs lbs lbs lbs 2.5 <br />SW-1 10.00 495 1889 1889 2456 1688 1688 2456 8.20 8.20 300 1.2 11 1 350 350 4 1148 523 3038 HDU2 SSTB20 3075 2-2x 5760 <br />SW-2 10.00 545 2080 2080 2704 1688 1688 2704 8.90 8.90 304 1.1 11 1 350 350 4 1246 567 3061 HDU2 SSTB20 3075 2-2x 5843 <br />SW-A 12.00 545 2080 2080 2704 2430 2430 2704 7.90 7.90 342 1.5 11X 1 430 430 4 1327 604 4228 HDU4 SB5/8x24 4565 2-2x 7899 <br />SW-B 13.00 495 1889 1889 2456 2430 2430 2456 12.00 12.00 205 1.1 10 1 280 280 6 2184 994 2404 HDU2 SSTB20 3075 2-2x 5117 <br />Tributary <br />Weight <br />Seismic <br />Forces <br />kips <br />Level <br />Low RoofHigh Roof 209 <br />kips <br />1.01#REF! <br />Level <br />Roof/Floor Area Roof/Floor <br />Area <br />ft2 <br />0.00 <br />Tributary <br />Weight <br />psf <br />874 <br />Seismic <br />Forces <br />Tributary <br />Weight <br />3.97 <br />Level <br />ft2 kips psf <br />3.82 <br />ft2 <br />Shear Wall LengthWind Structural 1 CDX Sheathing <br />Shtg. <br />1 or 2 <br />sides <br />Tension with <br />Overstrength <br />Factor <br />Control <br />Design <br />Load <br />Seismic Forces <br />Seismic <br />Roof/Floor <br />Area <br />Roof 1039 <br />Hold Down Design <br />Hold <br />Down <br />Type <br />Wall S.W <br />Type