A 400 mm x 400 mm column carries a total dead load of 1150 kN and a total live load of 770 kN. The column is to be supported by a rectangular spread footing having thickness of 675 mm whose width is limited to 3 m. The net soil bearing capacity of the soil is 215 kPa. For footing, use f'c = 24 MPa and for column, use f'c = 20.7 MPa. Use fy = 414 MPa for all steel bars. Use 75mm concrete cover. 11. Determine the length of the footing. 12. Determine wide beam shear stress at the critical section. 13. Determine the punching shear stress at the critical section. 14. Design the reinforcements using 25 mm bars, determine the number of reinforcements along the long direction. 15. Design the reinforcements using 25 mm bars, determine the number of reinforcements along the short direction.

A 400 mm x 400 mm column carries a total dead load of 1150 kN and a total live load of 770 kN. The column is to be supported by a rectangular spread footing having thickness of 675 mm whose width is limited to 3 m. The net soil bearing capacity of the soil is 215 kPa. For footing, use f'c = 24 MPa and for column, use f'c = 20.7 MPa. Use fy = 414 MPa for all steel bars. Use 75mm concrete cover. 11. Determine the length of the footing. 12. Determine wide beam shear stress at the critical section. 13. Determine the punching shear stress at the critical section. 14. Design the reinforcements using 25 mm bars, determine the number of reinforcements along the long direction. 15. Design the reinforcements using 25 mm bars, determine the number of reinforcements along the short direction.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter16: Shallow Foundations-bearing Capacity

Section: Chapter Questions

Problem 16.4P: A 2.0 m wide strip foundation is placed in sand at 1.0 m depth. The properties of the sand are: =...

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