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STRUCTURAL DESIGN ASSOCIATES Project Title: <br /> j Engineer: Project ID: <br /> Project Descr: <br /> Pnst d 1 DGC 2017.10.42I0.. <br /> F,w=!JesyerYnevicskrdselpROJECTS4t?OOO.8-118246.R-718246-R-t ERi <br /> Point Load on Slab ENERCJ1LC,INC 18812017,su4010 17 8 28.Vor 1017 8 28 <br /> Lic.#: KW-06011301 Licensee: Covington <br /> Description: --None- <br /> Code References — <br /> Calculations per ACI 318-14, IBC 2015, CBC 2016, ASCE 7-10 <br /> Load Combinations Used : ASCE 7-10 <br /> Analytical Values <br /> d-Slab Thickness 3.0 in Ks-Soil Modulus of Subgrade Reaction 50 0 pci <br /> FS-Req'd Factor of Safety 3.0 1 Ec-Concrete Elastic Modulus 2,549.12 ksi <br /> Pc-Concrete Compressive Strength 2.0 ks1 <br /> -Poisson's Ratio 0.150 <br /> Min Adjacent Load Distance 27.763 in <br /> Analysis Formulas <br /> Pn=1.72 [ (Ks R1/Ec)10,000+3.6]Fr dA2 Min Adjacent Column Distance=1.5*([Ec dA3/(12*(1-u"2)Ks]"1/4) <br /> Ks=Soil modulus of subgrade reaction Ec=Concrete elastic modulus <br /> R1 =50%plate average dimension'sqrt(PIWid*PILen)/2 d-Slab Thickness <br /> Ec=Concrete elastic modulus u-Poisson's ratio <br /> Fr-Concrete modulus of rupture=7.5*sqrt(fc) Ks=Soil modulus of subgrade reaction <br /> d-Slab Thickness <br /> Load&Capacity Table <br /> Plate (in) 111 Applied Concentrated Load on Plate-(kip) Governing Pu Pn <br /> Load ID Wid Len (in) D Lr L S W E Ld Comb (kip) (kip) Check <br /> STUD 5.50 7.50 3.21 1.39 3.69 +DAL 51 22.0 Pass,FS=4 32>=3 <br /> 1 1 <br />