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Footing Desiqn f 2003 International Residential Code (97 NDS) I Ver: 6.00.62 <br />By:. , Area Home Planners on: <br />04-16-2007 : 10:44:25 AM <br />Proiecl: NGUYEN BINH - Location: 30x30x12 ftg @ rec rm exist fdn <br />Summary: <br />Foolinq Size: 2.5 FT x 2.5 FT x 12.00 IN <br />Reinforcement: #4 Bars @ 7.00 IN. O.C. ENV / (4) min. <br />Fooling Loads: <br />Live Load: <br />PL= <br />5451 <br />LB <br />Dead Load: <br />PD= <br />3351 <br />LB <br />Total Load: <br />PT= <br />8802 <br />LB <br />Ultimate Factored Load: <br />Pu= <br />13958 <br />LB <br />Footing Properties: <br />Allowable Soil Bearinq Pressure: <br />Qs= <br />2000 <br />PSF <br />Concrete Compressive Strength: <br />F'c= <br />2500 <br />PS: <br />Reinforcinq Steel Yield Strength: <br />Fy= <br />40000 <br />PSI <br />Concrete Reinforcement Cover: <br />c= <br />3.00 <br />IN <br />Foo.ing Size: <br />Width: <br />W= <br />2.5 <br />FT <br />Lenqth: <br />L= <br />2.5 <br />FT <br />Depth: <br />Depth= <br />12.00 <br />IN <br />Effective Depth to Top Layer of Steel: <br />d= <br />8.25 <br />IN <br />Column and Baseplate Size: <br />Column Type: <br />(Concrete) <br />Column Width: <br />m= <br />6.00 <br />IN <br />Column Depth: <br />n= <br />6.00 <br />IN <br />Bearing Calculations: <br />Ultimate Bearinq Pressure: <br />Ou= <br />1408 <br />PSF <br />Effective Allowable Soil Bearing Pressure: <br />Qe= <br />1850 <br />PSF <br />Required Footing Area: <br />Areq= <br />4.76 <br />SF <br />Area Provided: <br />A= <br />6.25 <br />SF <br />Baseplale Bearinq: <br />Bearinq Required: <br />Bearinq= <br />13958 <br />LB <br />Allowable Bearinq: <br />Bearing -Allow= <br />107100 <br />LB <br />Beam Shear Calculations (One Way Shear): <br />Beam Shear: <br />Vul= <br />1745 <br />LB <br />Allowable Beam Shear: <br />vc1= <br />21C38 <br />LB <br />Punching Shear Calculations (Two way shear): <br />Critical Perimeter: <br />Bo= <br />57.00 <br />IN <br />Punchinq Shear: <br />Vu2= <br />10809 <br />LB <br />Allowable Punchinq Shear (ACI 11-35): <br />vc2-a= <br />119914 <br />LB <br />Allowable Punchinq Shear (ACI 11-36): <br />vc2-b= <br />155678 <br />LB <br />Allowable Punchinq Shear (ACI 11-37): <br />vc2-c= <br />79943 <br />LB <br />Controllinq Allowable Punching Shear: <br />vc2= <br />79943 <br />LB <br />Bending Calculations: <br />Factored Moment: <br />Mu= <br />33499 <br />IN -LB <br />Nominal Moment Strength: <br />Mn= <br />226185 <br />IN -LB <br />Reinforcement Calculations: <br />Concrete Compressive Block Depth: <br />a= <br />0.49 <br />IN <br />Steel Required Based on Moment: <br />As(1)= <br />0.11 <br />IN2 <br />Minimum Code Required Reinforcement (Shrinkage/Temperature <br />ACI-10.5.4): As(2)= <br />0.72 <br />IN2 <br />Conlrollinq Reinforcinq Steel: <br />As -read= <br />0.72 <br />IN2 <br />Selected Reinforcement <br />#4 Bars @ 7.00 IN. O.C. E/W / (4) Min. <br />Reinforcement Area Provided: <br />As= <br />0.79 <br />IN2 <br />Development Lenqth Calculations: <br />Development Lenqth Required: Ld= 15.00 IN <br />Development Lenqth Supplied: Ld-sup= 9.00 IN <br />Note: Plain concrete adequate for bending, therefore adequate development length not required. <br />