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Check 4: Reinforcement Design for slab <br />≔Mu =――――――――――――⋅⋅((+⋅1.2 100 psf ⋅1.4 20 psf ))((ft))2 ft <br />8 18.5 ft·lbf <br />≔ϕ 0.9 <br />d 17 in <br />≔Areq =―――Mu <br />⋅⋅ϕ fy d <br />⎛⎝⋅2.418 10 -4⎞⎠in 2 <br />≔Amin =⋅⋅0.0015 12 in 10 in 0.18 in 2 Control <br />USE #4 @ 9'' O.C. <br />≔Aprov 0.267 in 2 <br />=if Aprov Areq “OK” “NOT OK”“OK” <br />Frost Wall Calculation <br />Check 1: Frost Depth <br />FLprov =-h tslab 14 in <br />=if FL FLprov “OK” “NOT OK”“OK” <br />Check 2: Load Capacity <br />w2 =⋅⋅γc h b 600 plf Self weight <br />≔Papplied =+w2 ――w1 <br />1 ft 18824 plf Total load <br />≔Pn =⋅⋅⋅1.72 ⎛ <br />⎝ <br />⎛ <br />⎝ <br />ks ―R1 <br />Ec <br />⎞ <br />⎠ <br />10 4 3.60⎞ <br />⎠ <br />ft' tslab <br />2 401.964 kip Nominal load carrying capacity of <br />slab <br />≔Pa =――Pn <br />⋅FS b <br />⎛⎝⋅6.699 10 4 ⎞⎠plf Allowable load carrying capacity of <br />slab <br />=if Pa Papplied “OK” “NOT OK”“OK” <br />Check 3: Wall Depth <br />81 of 89 <br />3201 S Halladay St <br />5/5/2025