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<br />Swingle Home <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Resisting Moment: 730.7 730.7 730.7 730.7 <br />x 2/3 = 487.1 487.1 487.1 487.1 <br />Uplift Moment: -626.1 -685.7 -834.8 -924.2 <br />Hz. Pres. Moment : -163.0 -59.8 0.0 0.0 <br />Overturning Mmt. = -789.1 - 7 45.5 -834.8 -924.2 <br /> <br />Note: If OM < 2/3 RM, hold-downs are not required. <br /> <br />Required tie-down force (T): <br /> <br />( Factor of Safety 'built in' to Mfr's tables.) <br /> <br />Therefore : T x b + RM > or = OM. <br />where, b= building width. <br /> <br />T = (OM-RM) 1 b <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Tie-Down (T) = 1593 404 2839 5278 <br /> <br />lbs <br /> <br />** SpecifY tie-down accordingly, FS 'built in' to Mfr's tables. <br /> <br />x.) Girder Uplift: <br />1.) Two (2) Point Bearing, Symmetric. <br /> <br />Girder Contrib. area (st) Height (ft) Net Uplift (pst) Uplift per brg. <br />gr-l 336.0 12.7 -9.2 -1545.6 <br />porch 380.0 12.7 -9.2 -1748.0 <br /> 12.7 -9.2 0.0 <br /> <br />Girder <br />Mark <br /> <br />2.) Other configurations ie. three (3) point brg. <br />Contrib. Height (ft) <br />area (st) (Mn. root) <br />12.7 <br />12.7 <br /> <br /> <br /># Brg. <br />Points <br /> <br />Max. Uplift <br />Reaction (lbs) <br /> <br />Page 7 <br /> <br />