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How to calculate the intensity of active earth pressure?


Calculate the intensity of active earth pressure at a depth of 12m. in dry cohesionless soil. The coefficient of earth pressure is 1/3 & unit weight = 16KN/m³.

Given data:

Depth = H = 12m.

Earth pressure coefficient = Ka = 1/3

Unit wt. = Ɣ = 16KN/m³.

To find:

The intensity of active earth pressure = Pa =?


The intensity of  active earth pressure is calculated by the formula

 Pa = [KaƔ H]

       = [ 1/3 Х 16 Х 12]

  Pa = 64 KN/m².

Thank you for going through these calculation steps. Have a good day 😄.


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