Answer situation 2 Situation 1: A footing supports a 250 mm thick wall:Given:Allowable soil bearing pressure = 192 kPaThickness of footing = 350 mmConcrete, f'c = 27.5 MPaSteel, fy = 415 MPa1) The footing is subjected to a moment of 126 kN-m and a total vertical load of 280 kN. Find the minimum width ofthe footing to prevent uplift.2) Given:Resisting moment, M₁ = 440 kN - mOverturningmoment, M₁ = 260 kN - mTotal vertical load = 265 kNDetermine the minimum width of the following to prevent uplift.3) Given:Footing width = 3 mResisting moment, M₁ = 500 kN - mOverturning moment, M₁ = 265 kN - mTotal vertical load = 335 kNDetermine the maximum soil bearing pressure?Situation 2: A 2.0 mx 2.0 m footing carries concentrically a square column of 0.40 m x 0.40 m.Design date:Column factored loads:DL= 580 KNConcrete cover to the centroid of the footing reinforcement = 100 mmConcrete, f'c = 28 MPaSteel, fy = 415 MpaAllowable stresses at ultimate loads:For diagonal tension or two-way action shear = 1.76 MPaFor wide beam shear = 0.88 MpaMaximum steel ratio for moment = 0.0211)What is the minimum thickness (mm) of footing required for diagonal tension?2) Determine the minimum thickness (mm) of footing required for wide beam shear?3) What is the minimum thickness (mm) of footing required for maximum moment?20 mm Ø-0.42 m042.01002.0

Footing size- 2m×2 mColumn size- 0.4 m×0.4 mDL=580 kNCC to the centroid of the footing reinforcement…

Situation 2: A 2.0 mx 2.0 m footing carries concentrically a square column of 0.40 mx 0.40 m. Design date: Column factored loads: DL= 580 KN Concrete cover to the centroid of the footing reinforcement = 100 mm Concrete, f'c = 28 MPa Steel, fy = 415 Mpa Allowable stresses at ultimate loads: 1) 2) 3) For diagonal tension or two-way action shear=1.76 MPa For wide beam shear= 0.88 Mpa Maximum steel ratio for moment = 0.021 What is the minimum thickness (mm) of footing required for diagonal tension? Determine the minimum thickness (mm) of footing required for wide beam shear? What is the minimum thickness (mm) of footing required for maximum moment?

Situation 2: A 2.0 mx 2.0 m footing carries concentrically a square column of 0.40 mx 0.40 m. Design date: Column factored loads: DL= 580 KN Concrete cover to the centroid of the footing reinforcement = 100 mm Concrete, f'c = 28 MPa Steel, fy = 415 Mpa Allowable stresses at ultimate loads: 1) 2) 3) For diagonal tension or two-way action shear=1.76 MPa For wide beam shear= 0.88 Mpa Maximum steel ratio for moment = 0.021 What is the minimum thickness (mm) of footing required for diagonal tension? Determine the minimum thickness (mm) of footing required for wide beam shear? What is the minimum thickness (mm) of footing required for maximum moment?

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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