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.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Ultimate Bearing Capacity Of Shallow Foundations: Special Cases

Section: Chapter Questions

Problem 7.6P

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