A square shallow foundation is located at depth of 1m, in stronger sand. A softer sand layer is located at a depth of 3 m measured below the ground surface. H = 5.0 m and K, = 4.0- Find B to carry the 4000 kN load using a factor of safety FS = 3. Assume that the bearing capacity of the top layer exceeds the ultimate bearing capacity. %3D Notes: For the top sand layer, unit weight= 14 kN/m'; '= 30°. For the bottom sand layer, unit weight = 11 kN/m2; '= 22°.
A square shallow foundation is located at depth of 1m, in stronger sand. A softer sand layer is located at a depth of 3 m measured below the ground surface. H = 5.0 m and K, = 4.0- Find B to carry the 4000 kN load using a factor of safety FS = 3. Assume that the bearing capacity of the top layer exceeds the ultimate bearing capacity. %3D Notes: For the top sand layer, unit weight= 14 kN/m'; '= 30°. For the bottom sand layer, unit weight = 11 kN/m2; '= 22°.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A square shallow foundation is located at depth of 1 m, in stronger sand. A softer sand layer
is located at a depth of 3 m measured below the ground surface. H= 5.0 m and K, 4.0.
Find B to carry the 4000 kN load using a factor of safety FS = 3. Assume that the bearing
capacity of the top layer exceeds the ultimate bearing capacity.
%3D
Notes:
For the top sand layer, unit weight= 14 kN/m'; d' = 30°.
For the bottom sand layer, unit weight=11 kN/m2; d'= 22°.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff8d7be27-a75b-4b66-99e5-7fef434c8a78%2Fc742d976-9580-4e41-abaf-51d62c8a141f%2Fwb9133l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A square shallow foundation is located at depth of 1 m, in stronger sand. A softer sand layer
is located at a depth of 3 m measured below the ground surface. H= 5.0 m and K, 4.0.
Find B to carry the 4000 kN load using a factor of safety FS = 3. Assume that the bearing
capacity of the top layer exceeds the ultimate bearing capacity.
%3D
Notes:
For the top sand layer, unit weight= 14 kN/m'; d' = 30°.
For the bottom sand layer, unit weight=11 kN/m2; d'= 22°.
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