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JOB NAME _Kaiser SAN 1st Fl GenRad <br />JOB NO. DATE _S09-23018 04/16/2024 <br />ENGINEER DWG. REF _OS -- <br />Footing stress distribution (centered) ADDED CALCULATIONS PER PLAN <br />CHECK COMMENTS <br />Geometric Properties: <br />≔L =((24 in))24 in <br />≔B =((24 in))24 in <br />≔A =⋅B L 4 ft 2 <br />≔Ix =―――⋅B L 3 <br />12 1.333 ft 4 ≔yc =⋅0.5 B 1 ft <br />≔Iy =―――⋅L B 3 <br />12 1.333 ft 4 ≔xc =⋅0.5 L 1 ft <br />Slab self weight: <br />≔γconc 150 pcf ≔tslab 10 in <br />≔Wslab =⋅⋅⋅L B tslab γconc 500 lbf <br />Max reactions. <br />No moment due to <br />pinned condition. <br />ASD level loads: <br />≔PASD =⋅0.6 ((1445.31 lbf))867.19 lbf <br />≔MASD =⋅0.7 ((⋅0 lbf ft))0 ⋅lbf ft <br />Stress surface points: <br />≔σ1 =+――PASD <br />A <br />――――⋅MASD yc <br />Ix <br />216.8 psf ≔σ2 =-――PASD <br />A <br />――――⋅MASD yc <br />Ix <br />216.8 psf X direction <br />≔σ3 =+――PASD <br />A <br />――――⋅MASD xc <br />Iy <br />216.8 psf ≔σ4 =-――PASD <br />A <br />――――⋅MASD xc <br />Iy <br />216.8 psf Y direction <br />≔σu =max ⎛⎝,,,abs ⎛⎝σ1⎞⎠abs ⎛⎝σ2⎞⎠abs ⎛⎝σ3⎞⎠abs ⎛⎝σ4⎞⎠⎞⎠216.8 psf <br />Soil Bearing capacity: <br />≔Psoil 1500 psf Code minimum soil bearing preasure per CBC <br />≔DCRsoil =――σu <br />Psoil <br />0.145 <br />1900 E 4th St - <br />1011190678/9/2024