A square footing 2.4m x 2.4m x 0.45m thick supports a rectangular column 0.35m x 0.40m at its center. Column loads are service conditions: DL = 680 KN fc' = 20.7 MPa fy=275 MPa LL = 400 KN Concrete cover to the centroid of steel reinforcement = 100mm 1) Calculate the maximum wide beam-shear stress. 2) Calculate the maximum punching shear stress. 3) Determine the number of 20mm Ø bars required for the critical moment.

A square footing 2.4m x 2.4m x 0.45m thick supports a rectangular column 0.35m x 0.40m at its center. Column loads are service conditions: DL = 680 KN fc' = 20.7 MPa fy=275 MPa LL = 400 KN Concrete cover to the centroid of steel reinforcement = 100mm 1) Calculate the maximum wide beam-shear stress. 2) Calculate the maximum punching shear stress. 3) Determine the number of 20mm Ø bars required for the critical moment.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter15: Retaining Walls, Braced Cuts, And Sheet Pile Walls

Section: Chapter Questions

Problem 15.12P

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