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CONTINUOUS FOOTING <br />ϕCONC:REINF. COVER:FOOTING WIDTH: <br />fy:BAR SIZE:FOOTING DEPTH: <br />f'c:SOIL DEPTH ABV FTG: <br />ASB:STEM WIDTH: <br />ϕSOIL:STEM HEIGHT: <br />ASD LOAD CASES FROM ASCE 7-16: <br />2.)D+L <br />3.)D+(Lr or S) <br />= <br />Wd = <br />MAXIMUM ADDITIONAL ALLOWABLE POINT LOAD ON FOOTING <br />=allowable soil bearing <br />==footing width <br />==footing depth <br />==height of ftg above grade <br />=continuous load <br />MAX POINT LOAD <br />Pmax = ASB*w*2(D+Hp)-2wt(D+Hp)= <br />Pmax = <br />Pmax =lb <br />8 128 <br />Psf <br />LOADING <br />D <br />5.0 <br />DESIGN PARAMETERS <br />150 pcf 3.0 in 12.0 in <br />60000 psi 4 8.0 in <br />100 pcf 18.0 in <br />2500 psi 18.0 in EFF. DEPTH TO TOP <br />LAYER OF STEEL:1500 psf 6.0 in 4.25 in <br />Ratio 0.353 <br />wallowable 1500 plf <br />wt 530 plf <br />FOOTING LOADING9.75 136.5D <br />Lr <br />D <br />L <br />Ceiling 8 <br />Category <br />8.75 70 <br />Roof 20 9.75 195 <br />Roof 14 <br />ft lb/ft <br />Description Force/Area Tributary L/H Loading <br />Ext Wall 16 <br />Ceiling 10 8.75 87.5 <br />DESIGN PARAMETERS <br />529.5 <br />5175 lbs <br />wt <br />ADDITIONAL ALLOWABLE POINT LOAD <br />psf * 1ft * 2(2ft + 0.666ft) - 2 * 529.5lb/ft * (2ft + 0.666ft) <br />5175 <br />Pmax <br />D <br />Hp <br />ASB <br />w <br />1500 psf <br />12.0 in 1 ft <br />2 ft <br />0.67 ft <br />24.0 in <br />8.0 in <br />530 plf <br />Page 26