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If a footing has a dimension of 1m*1m and load transfer of 20 kN, then the contact pressure is _______________

(a) 20 kN/m^2

(b) 30 kN/m^2

(c) 50 kN/m^2

(d) 70 kN/m^2

I have been asked this question in a job interview.

I would like to ask this question from Stress Distribution topic in section Stress Distribution of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
The correct option is (a) 20 kN/m^2

Explanation: Given,

Dimension=1m*1m

Load=20kN

Area =1*1=1 m^2

\(Contact\, pressure=\frac{normal\, load}{true \,contact\, area}\)

∴ the contact pressure=20/1=20 kN/m^2.

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