Problem 2. The square foundation shown in Figure below rests in homogeneous soft clay layer. Subsurface exploration and laboratory testing found that the soil's effective cohesion is 30 kN/m². The groundwater table is far below the ground surface and will not affect the bearing capacity. The unit weight of clay above the groundwater table is 16.5 kN/m³. Using Terzaghi's bearing capacity theory, determine the ultimate bearing capacity of the soil. Assume general shear failure. If the factor of safety for bearing capacity is 3.5, calculate the allowable bearing capacity. B =1.2 m and Df = 1.0 m. Df Di 7 7sat B Ground surface Groundwater table V.

Principles of Foundation Engineering (MindTap Course List)
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Author:Braja M. Das
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Chapter2: Geotechnical Properties Of Soil
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Problem 2. The square foundation shown in Figure below rests in homogeneous soft clay layer.
Subsurface exploration and laboratory testing found that the soil's effective cohesion is 30 kN/m².
The groundwater table is far below the ground surface and will not affect the bearing capacity. The
unit weight of clay above the groundwater table is 16.5 kN/m³. Using Terzaghi's bearing capacity
theory, determine the ultimate bearing capacity of the soil. Assume general shear failure. If the
factor of safety for bearing capacity is 3.5, calculate the allowable bearing capacity. B =1.2 m and
Df = 1.0 m.
Df
D₁
7
7 sat
B
Ground surface
Groundwater table
Transcribed Image Text:Problem 2. The square foundation shown in Figure below rests in homogeneous soft clay layer. Subsurface exploration and laboratory testing found that the soil's effective cohesion is 30 kN/m². The groundwater table is far below the ground surface and will not affect the bearing capacity. The unit weight of clay above the groundwater table is 16.5 kN/m³. Using Terzaghi's bearing capacity theory, determine the ultimate bearing capacity of the soil. Assume general shear failure. If the factor of safety for bearing capacity is 3.5, calculate the allowable bearing capacity. B =1.2 m and Df = 1.0 m. Df D₁ 7 7 sat B Ground surface Groundwater table
Expert Solution
Step 1

Given,

c = 30 kPa

γ = 16.5 kN/m3 

FS = 3.5 

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