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Calculation Procedure <br /> Closed Shapes: <br /> the geometric properties for c:lased shapes a'e computed by using the Polygon method <br /> Ail closed share:: are represeinted by closer!polygons. C.irvilinear aer1 circular Shapes or <br /> eitges arse represented by several straight line segments. The properties the overall shape <br /> vile computed by ucurnetnn summaluon of the proaertiea sir , tropezo d dctrnod by <br /> pro?eclion of two consecutive points of the cross section on to the x and y axis. <br /> itpeo Shapes: <br /> The geometric: pruperties feu open (thin walled)shapes are computed by using the Pnlyline <br /> rnethOd Alt open shapes are:epiesinted by pory;inu3. Curvilihear and circular 5hz;7a;o,r <br /> edges arc represented by severs!straight line segments.The properties the overak shape- <br /> ere r:nrnputed by guutnetrii;summat;on of the prnpc-ties of a Eire def.nt.d by hrnjecIio,t of <br /> two consoculive points of the cress-section on tc the x and y axis <br /> For rlutarls rOler to the Users Manuel <br /> FOOTING SIZING CALCULATIONS <br /> 1) LOADING <br /> Dead Load= 7 psf <br /> Live Load = 100 psf <br /> Total Load, RAMP_TL= 107 psf <br /> 2) FOOTING ON SOIL <br /> Soil Allowable Bearing Pressure = 1500 psf <br /> 7' Platform Center Column,Area = 12.25 psf <br /> Max Load = 1311 # <br /> Min. Footing Area = 0.87 sf <br /> Footing Pad w/ minimum Size= 11.22 inch <br /> USE:12-INCH, MIN. SQUARE PAD UNDER COLUMN ON SOIL <br /> 3) FOOTING ON PAVEMENT(Based on 8-inch Depth Pavement+Base) <br /> Allowable Bearing Pressure = 8831 psf <br /> 7' Platform Center Column, Area = 12.25 psf <br /> Max Load = 1311 # <br /> Min. Footing Area = 0.15 sf <br /> Footing Pad w/ minimum Size= 4.62 inch <br /> USE:5-INCH, MIN. SQUARE PAD UNDER COLUMN ON PAVEMENT <br /> WELCOME RAMP CALCS-IBC 2018 Page 38 <br />