5. A long footing 2 m wide is buried at a depth of 1 m. The groundwater table is expected to exist during the life of the structure. Soil above the water table has a

Principles of Geotechnical Engineering (MindTap Course List)
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Author:Braja M. Das, Khaled Sobhan
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Chapter16: Soil Bearing Capacity For Shallow Foundations
Section: Chapter Questions
Problem 16.13P: A square footing (B B) must carry a gross allowable load of 1160 kN. The base of the footing is to...
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PRINCIPLES OF FOUNDATION DESIGN
Terzhagi's Ultimate Bearing Capacity
5. A long footing 2 m wide is buried at a
depth of 1 m. The groundwater table is
expected to exist during the life of the
structure. Soil above the water table has a
unit weight of 19.65 kN/m3 and the saturated
soil has a unit weight of 21.70 kN/m3. Angle
of internal friction is 20 degrees and
cohesion is 15 kPa. Using general shear
failure and a factor of safety of 3.0. Calculate
the following: 25pts
a. Gross allowable bearing capacity if the
water table is 4m from the ground surface
b. Gross allowable bearing capacity if the
water table is 2m from the ground surface
c. Gross allowable bearing capacity if the
water table is at the embedment of the
foundation
d. Gross allowable bearing capacity if the
water table is 0.5 m from the ground surface
Transcribed Image Text:Terzhagi's Ultimate Bearing Capacity 5. A long footing 2 m wide is buried at a depth of 1 m. The groundwater table is expected to exist during the life of the structure. Soil above the water table has a unit weight of 19.65 kN/m3 and the saturated soil has a unit weight of 21.70 kN/m3. Angle of internal friction is 20 degrees and cohesion is 15 kPa. Using general shear failure and a factor of safety of 3.0. Calculate the following: 25pts a. Gross allowable bearing capacity if the water table is 4m from the ground surface b. Gross allowable bearing capacity if the water table is 2m from the ground surface c. Gross allowable bearing capacity if the water table is at the embedment of the foundation d. Gross allowable bearing capacity if the water table is 0.5 m from the ground surface
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