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K = 100Dm2, is given by which of the following formula?

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in Geotechnical Engineering I by (102k points)
K = 100Dm2, is given by which of the following formula?

(a) Terzaghi’s formula

(b) Kozney’s formula

(c) Jacky’s formula

(d) Allen Hazen’s formula

This question was posed to me by my school principal while I was bunking the class.

This interesting question is from Determination of Coefficient of Permeability topic in chapter Permeability of Geotechnical Engineering I

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Best answer
The correct choice is (c) Jacky’s formula

The best explanation: In 1944, Jacky found out the order of magnitude of k can be obtained from all soils from the formula K= 100Dm2, where Dm denotes grain size.

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