A rectangular footing 2.5 m. wide along the y-axis, 3 m. long along the x-axis, supports a circular pedestal, 0.45 m. in diameter. The horizontal force acting at the top of the pedestal along the x-axis of the footing is 144 kN. The total axial load from the pedestal is 1200 kN. Thickness of the footing is 0.70 m., height of backfill on top of the footing is 1.5 m., depth from the top of pedestal to the base of footing is 2.5 m. Concrete unit weight = 24 kN/m2. Unit weight of soil = 17 kN/m³. a. Compute the safe bearing capacity b. If f'c=21MPa, check the wide beam shear and punching shear.
A rectangular footing 2.5 m. wide along the y-axis, 3 m. long along the x-axis, supports a circular pedestal, 0.45 m. in diameter. The horizontal force acting at the top of the pedestal along the x-axis of the footing is 144 kN. The total axial load from the pedestal is 1200 kN. Thickness of the footing is 0.70 m., height of backfill on top of the footing is 1.5 m., depth from the top of pedestal to the base of footing is 2.5 m. Concrete unit weight = 24 kN/m2. Unit weight of soil = 17 kN/m³. a. Compute the safe bearing capacity b. If f'c=21MPa, check the wide beam shear and punching shear.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A rectangular footing 2.5 m. wide along the y-axis, 3 m. long along the x-axis,
supports a circular pedestal, 0.45 m. in diameter. The horizontal force acting
at the top of the pedestal along the x-axis of the footing is 144 kN. The total
axial load from the pedestal is 1200 kN. Thickness of the footing is
0.70 m., height of backfill on top of the footing is 1.5 m., depth from the top
of pedestal to the base of footing is 2.5 m. Concrete unit weight = 24 kN/m2.
Unit weight of soil = 17 kN/m³.
a. Compute the safe bearing capacity
b. If f'c=21MPa, check the wide beam shear and punching shear.
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