4. A 2.10m x 2.10m footing carries concentrically a square column 0.40m x 0.40m.Design data:Column factored loads:DL = 570KN= 460KN%3DConcrete cover to the centroid of footing reinforcement = 110mmConcrete f'c - 21MPASteel fy= 415MPA%3D%3DAllowable stresses at ultimate loads:For diagonal tension or two-way action shear = 1.52MPAFor wide-beam shear0.78MPAMaximum steel ratio for moment = 0.016a. What is the minimum thickness (mm) of footing required for punching shear?b. Determine the minimum thickness (mm) of footing required for wide beam shear.Determine the minimum thickness (mm) of footing required for maximum moment.C.

D.L = 570KN L.L = 460KN P= D.L + L.L = 570 + 460= 1030KN Pu = 1.2D.L + 1.6 L.L = 1.2*570 + 1.6*460 =…

footing carries concentrically a square column 0.40m x 0.40m. Design data: Column factored loads: DL = 570KN LL = 460kN Concrete cover to the centroid of footing reinforcement = 110mm %3D Concrete f'c = 21MPA Steel fy- 415MPA Allowable stresses at ultimate loads: For diagonal tension or two way action shear = 1.52MP. For wide-beam shear = 0.78MPA Maximum steel ratio for moment = 0.016 What is the minimum thickness (mm) of footing required for punching shear? b. Determine the minimum thickness (mm) of footing required for wide beam shear. Determine the minimum thickness (mm) of footing required for maximum moment. а.

footing carries concentrically a square column 0.40m x 0.40m. Design data: Column factored loads: DL = 570KN LL = 460kN Concrete cover to the centroid of footing reinforcement = 110mm %3D Concrete f'c = 21MPA Steel fy- 415MPA Allowable stresses at ultimate loads: For diagonal tension or two way action shear = 1.52MP. For wide-beam shear = 0.78MPA Maximum steel ratio for moment = 0.016 What is the minimum thickness (mm) of footing required for punching shear? b. Determine the minimum thickness (mm) of footing required for wide beam shear. Determine the minimum thickness (mm) of footing required for maximum moment. а.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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