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POINT LOAD ON SQUARE PAD FOOTING
<br />Footing Depth (FD) =
<br />Soil Bearing (SB) =
<br />Max. Soil Bearing =
<br />12 in
<br />1500 psf
<br />1500 psf
<br />Soil Density =
<br />Concrete Density =
<br />Inc. Width (IW) =
<br />Inc. Depth (ID) =
<br />w (")
<br />12
<br />12
<br />15
<br />18
<br />21
<br />24
<br />18
<br />21
<br />24
<br />30
<br />18
<br />21
<br />24
<br />30
<br />33
<br />36
<br />30
<br />36
<br />42
<br />36
<br />42
<br />48
<br />54
<br />60
<br />66
<br />72
<br />78
<br />84
<br />Plain Concrete Design:
<br />L (")
<br />12
<br />12
<br />15
<br />18
<br />21
<br />24
<br />18
<br />21
<br />24
<br />30
<br />18
<br />21
<br />24
<br />30
<br />33
<br />36
<br />30
<br />36
<br />42
<br />36
<br />42
<br />48
<br />54
<br />60
<br />66
<br />72
<br />78
<br />84
<br />F'c =
<br />Tension Fb =
<br />Procedures:
<br />2,500 psi
<br />80 psi
<br />Fsoil = ((D-FD)/12*1D)+SB
<br />F'soil = Fsoii-(D/12*(150-110))
<br />A= W*L
<br />Pmax = F'soii*A
<br />D (") Fsoil (psf) F'soil (psf)
<br />5 1,383 1,367
<br />12 1,500 1,460
<br />12 1,500 1,460
<br />12 1,500 1,460
<br />12 1,500 1,460
<br />12 1,500 ·t,460
<br />15 1,550 1,500
<br />15 1,550 1,500
<br />15 1,550 1,500
<br />15 1,550 1,500
<br />18 1,600 1,500
<br />18 1,600 1,500
<br />18 1,600 1,500
<br />18 1,600 1,500
<br />18 1,600 1,500
<br />18 1,600 1,500
<br />21 1,650 1,500
<br />21 1,650 1,500
<br />21 1,650 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />24 1,700 1,500
<br />A.1!fl
<br />1.00
<br />1.00
<br />1.56
<br />2.25
<br />3.06
<br />4.00
<br />2.25
<br />3.06
<br />4 .00
<br />6.25
<br />2.25
<br />3.06
<br />4.00
<br />6.25
<br />7.56
<br />9 .00
<br />6.25
<br />9.00
<br />12.25
<br />9.00
<br />12.25
<br />16.00
<br />20.25
<br />25.00
<br />30.25
<br />36.00
<br />42 .25
<br />49.00
<br />110 pcf
<br />150 pcf
<br />200 psf
<br />200 psf
<br />Pmax (#} Reinforce
<br />1,367 2-#4 e.w.
<br />1,460 2-#4 e.w.
<br />2,281 3-#4 e.w.
<br />3,285 3-#4 e.w.
<br />4,471 3-#4 e.w.
<br />5,840 3-#4 e.w.
<br />3,375 3-#4 e.w.
<br />4,594 3-#4 e.w.
<br />6,000 3-#4 e.w.
<br />9,375 4-#4 e.w.
<br />3,375 3-#4 e.w.
<br />4,594 3-#4 e.w.
<br />6,000 3-#4 e.w.
<br />9,375 4-#4 e.w.
<br />11,344 4-#4 e.w.
<br />13,500 4-#4 e.w.
<br />9,375 4-#5 e.w.
<br />13,500 4-#5 e.w.
<br />18,375 5-#5 e.w.
<br />13,500 4-#5 e.w.
<br />18,375 5-#5 e.w.
<br />24,000 5-#5 e .w.
<br />30,375 5-#5 e.w.
<br />37,500 6-#5 e.w .
<br />45,375 6-#5 e.w.
<br />54,000 7-#5 e.w.
<br />63,375 7-#5 e.w.
<br />73,500 8-#5 e.w.
<br />/b
<br />1613 W Chestnut Ave, #2
<br />& #312/12/2024
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