A 4.7 m square footing is proposed to be used to support a 635mm x 635 mm RC column loaded with 665 kN dead load and 843kN live load. The bottom of the footing is 2 m below the ground.Assume soil weighs 19 kN/m3 and the allowable soil bearingpressure is 331 kPa. The thickness of the footing is 462 mm. f'c =21 MPa and fy = 420 MPa. It is to be reinforced with 20 mmdiameter. Use 24 kN/m³ as the unit weight of concrete.Use an effective depth measured from the top of the footinguntil the center of the bottom-most barCalculate the number of bars required in one direction.Provisions are given below for the minimum area of mainreinforcementsReinforcement Typefy. MPaAs.min. mm²Deformed Bars< 420 MPa0.0020ADeformed Bars andWelded Wire> 420 MPaReinforcementGreaterof:0.0018×420f₂0.0014A-A₂

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Answered: Calculate the number of bars required…

Engineering

Civil Engineering

Calculate the number of bars required in one direction.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter16: Soil Bearing Capacity For Shallow Foundations

Section: Chapter Questions

Problem 16.2P: Refer to Problem 16.1. If a square footing with dimension 2 m 2 m is used instead of the wall...

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