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Project:Mike Wilkinson page <br /> Location: 18x18x10 SPREAD FTG gm* AmericanHomePlanners <br /> Footing � l'__ 2812 Colby Avenue of <br /> [2015 International Building Code(2012 NDS)] Everett WA 98201 <br /> Footing Size: 1.5 FT x 1.5 FT x 10.00 IN <br /> Reinforcement:#4 Bars©5.75 IN.O.C.E/W/(3)min. StruCalc Version 9.0.2.5 7/12/2018 5:12:52 PM <br /> .Section Footing Design Adequate <br /> FOOTING PROPERTIES LOADING DIAGRAM <br /> Allowable Soil Bearing Pressure: Qs= 1500 psf <br /> Concrete Compressive Strength: F'c= 2500 psi <br /> Reinforcing Steel Yield Strength: Fy= 40000 psi <br /> Concrete Reinforcement Cover: c= 3 in <br /> FOOTING SIZE <br /> Width: W= 1.5 ft <br /> Length: L= 1.5 ft <br /> Depth: Depth= 10 in <br /> Effective Depth to Top Layer of Steel: d= 6.25 in <br /> COLUMN AND BASEPLATE SIZE I-- 4 in <br /> Column Type: Steel <br /> Column Width: m= 4 in —i- <br /> Column Depth: n= 4 in <br /> Baseplate Width: bsw= 6 in <br /> Baseplate Length: bsl= 6 in <br /> FOOTING CALCULATIONS <br /> Bearing Calculations: <br /> Ultimate Bearing Pressure: Qu= 741 psf 10 in <br /> Effective Allowable Soil Bearing Pressure: Qe= 1375 psf j <br /> Required Footing Area: Areq= 1.21 sf <br /> Area Provided: A= 2.25 sf <br /> Baseplate Bearing: <br /> Bearing Required: Bear= 2482 lb a in <br /> Allowable Bearing: Bear-A= 99450 lb <br /> Beam Shear Calculations(One Way Shear): <br /> Beam Shear: Vu1 = 34 lb 1.5 ft <br /> Allowable Beam Shear: Vc1 = 8438 lb <br /> Punching Shear Calculations(Two Way Shear): FOOTING LOADING <br /> Critical Perimeter: Bo= 45 in Live Load: PL= 1200 lb <br /> Punching Shear: Vu2= 1512 lb Dead Load: PD= 468 lb <br /> Allowable Punching Shear(ACI 11-35): vc2-a= 63281 lb Total Load: PT= 1668 lb <br /> Allowable Punching Shear(ACI 11-36): vc2-b= 79688 lb Ultimate Factored Load: Pu= 2482 lb <br /> Allowable Punching Shear(ACI 11-37): vc2-c= 42188 lb Weight to resist uplift w/1.5 F.S.: U.R.= 181 lb <br /> Controlling Allowable Punching Shear: vc2= 42188 lb <br /> Bending Calculations: <br /> Factored Moment: Mu= 2912 in-lb <br /> Nominal Moment Strength: Mn= 125944 in-lb <br /> Reinforcement Calculations: <br /> Concrete Compressive Block Depth: a= 0.62 in <br /> Steel Required Based on Moment: As(1)= 0.01 in2 <br /> Min.Code Req'd Reinf. Flex.Members(ACI-10.5.1): As(2)= 0.56 in2 <br /> Controlling Reinforcing Steel: As-reqd= 0.56 in2 <br /> Selected Reinforcement: #4's @ 5.8 in.o.c.e/w(3)Min. <br /> Reinforcement Area Provided: As= 0.59 in2 <br /> Development Length Calculations: <br /> Development Length Required: Ld= 15 in <br /> Development Length Supplied: Ld-sup= 3.5 in <br /> Note:Plain concrete adequate for bending, <br /> therefore adequate development length not required. <br /> NOTES <br />