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Purpose of calculation: Determine the ultimate bearing capacity if the water table is well below the found ation level and if the water table is at the surface. Calculation Reference Craig Soil Mechanics. R.F. Craig Calculation Validation Reproduction of a sample calculation from a publ ished calculation reference. Calculation Units 2 Footing size b = 2.25 m d = 2.25 m Footing is located at depth D = 1.5 m Shear Strength parameter c'= 0N/m² Shear Strength parameter ϕ '  = 38 ° Unit Weight of Sand γ = 18000 N/ Saturated Unit Weight of Sand γ sat  = 20000 N/ Buoyant Unit Weight of Sand γ '  = 10200 N/m³ N q1  = #NAME? ## N q1  = 0 ## = exp  ϕ '  + 0. 0609  = if(20>ϕ '  , N q1  , 0) b D

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