Use Skempton's bearing capacity equation to calculate the ultimate (Qu) bearing capacity for a 4-ft wide by 4-ft long footing at 3-ft depth below the ground surface that is underlain by stiff clay with an undrained shear strength (Su) or cohesion (c) of 1.1 ksf. Skempton's Bearing Capacity Equation: 5c[(1 + 0.2B/L)(1 + 0.2 Dț/B)] for D{/B s 2.5 %D where: Qu = ultimate bearing capacity C design soil cohesion (undrained shear strength) %3D obtained from undrained shear strength tests width or diameter of the footing %3D = length or diameter of the footing Df depth of the footing base below the lowest adjacent grade Answer: Opsf Oksf For the ultimate bearing capacity computed above, determine the allowable capacity using a factor of safety (FS) of 2.0. Answer: Opsf Oksf II II L.
Use Skempton's bearing capacity equation to calculate the ultimate (Qu) bearing capacity for a 4-ft wide by 4-ft long footing at 3-ft depth below the ground surface that is underlain by stiff clay with an undrained shear strength (Su) or cohesion (c) of 1.1 ksf. Skempton's Bearing Capacity Equation: 5c[(1 + 0.2B/L)(1 + 0.2 Dț/B)] for D{/B s 2.5 %D where: Qu = ultimate bearing capacity C design soil cohesion (undrained shear strength) %3D obtained from undrained shear strength tests width or diameter of the footing %3D = length or diameter of the footing Df depth of the footing base below the lowest adjacent grade Answer: Opsf Oksf For the ultimate bearing capacity computed above, determine the allowable capacity using a factor of safety (FS) of 2.0. Answer: Opsf Oksf II II L.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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