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E Seattle Genetics 8/4/2023 <br /> ENGINE ERI N G LI E Everett,WA 98203 RVC <br /> Slab Analysis: <br /> W= 11.5 in. Base Plate Width Utilized for Compression <br /> D= 12.0 in. Base Plate Depth Utilitzed for Compression <br /> d = 6.0 in. Slab Thickness f't = 7.5 * f'c <br /> f',= 3000 psi Concrete Compressive Strength <br /> ks= 50 pci Soil Modulus of Subgrade Reaction Ec = 57000 f'c <br /> f't= 410.8 psi Tensile Strength in Flexure of Concrete <br /> Ec= 3122 ksi Modulus of Elasticity of Concrete R 1 <br /> i - 2 <br /> µ= 0.15 Poisson's Ratio <br /> b= 32.7 in. Radius of Relative Stiffness <br /> FS= 3 Factor of Safety <br /> {(ki) <br /> P = 1.72 * 104 + 3.601f' d2 b = { Ecd3125 <br /> Single Base Plate <br /> A= 138 in.2 Base Plate Area <br /> R1= 5.87 in. One-Half Base Plate Width <br /> P„= 115.5 k Nominal Load Carrying Capacity(Slab on Grade) <br /> P„= 29.1 k Ultimate Load (Single Post) <br /> Palow = 38.5 k Allowable Load Carrying Capacity(Slab on Grade) <br /> Unity= 0.76 O.K. <br /> Back-To-Back Base Plates <br /> A= 276 in.2 Combined Base Plate Area <br /> R1= 8.31 in. One-Half Base Plate Width <br /> P„= 125.4 k Nominal Load Carrying Capacity(Slab on Grade) <br /> P„= 34.7 k Ultimate Load (Combined Posts Back to Back) <br /> P allow = 41.8 k Allowable Load Carrying Capacity(Slab on Grade) <br /> Unity= 0.83 O.K. <br /> 31/49 <br />