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<br />IX.) Overall Moment Stability (Overturning): <br /> <br />Resisting Moment: <br /> <br />Dead loads above slab: <br />Roof area: <br />Dead Weight: <br />Total Weight = <br /> <br />Exterior Walls: <br /> <br />Wall height: <br />Unit weight: <br /> <br />Total Weight = <br /> <br />Interior Walls: <br /> <br />Wall height: <br />Unit weight: <br />Total Weight = <br /> <br />Total Resisting Dead Load (W) : <br /> <br />Dead Load Moment Arm ( I ) : <br />Resisting Moment (RM) = <br /> <br />Overturning Moment: <br />U I'ft <br /> <br />Ratz Residence <br /> <br />W(I) <br /> <br />2725.0 sf <br />11.8 psf <br />32155.0 Ibs <br /> <br />(Neglect overhang; conservative) <br /> <br />I! : <br /> <br />32155.0 <br /> <br />168.0 If <br /> <br />8.0 ft <br />45.0 psf( SBC Appendix A) <br /> <br />60480.0 Ibs <br /> <br />60480.0 <br /> <br />86,0 If <br /> <br />8.0 ft <br />8.0 psf( SBC Appendix A) <br />5504.0 Ibs <br /> <br />5504.0 <br />98139.0 Ibs <br /> <br />Total Resisting Dead Load = <br /> <br />98139.0 Ibs <br /> <br />27.5 ft, Width / 2 <br />2698.8 ft-kips <br /> <br />U(l) + P(h) <br /> <br />Jp,l <br />Height: 0-15 ... 15-20 20-40 40-60 <br />Roof area: 2725.0 0,0 0.0 0.0 <br />Gross Uplift : -21.0 -23.0 -28.0 -31.0 <br />Total Uplift (U) = -57225.0 0.0 0,0 0.0 <br />Moment Arm (I) : 27.5 27,5 27.5 27.5 <br />Uplift Moment = -1573.7 0.0 0.0 0,0 <br /> <br />Horizontal Pressure: <br /> <br />sf <br />psf <br />Ibs <br />ft <br />ft-kips <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Pressure: 31.5 34.5 42,0 46.5 <br />Contrib. Height: 15.0 2,5 -2.5 -22.5 <br />Total hz. Pressure = 472.5 86.3 0.0 0.0 <br />Moment Arm (I) : 7.5 16.3 18.8 28.8 <br />Unit Pres. Moment= 3,5 1.4 0.0 0.0 <br />Hz, Pres, Moment = 216.2 85.5 0.0 0.0 <br /> <br />Page 6 <br /> <br />