A long embankment is located on a soil profile consisting of 2m of medium clay f

Question

A long embankment is located on a soil profile consisting of 2m of medium clay followed by 8m of medium to dense sand on top of bedrock. A vertical settlement of 5mm at the center of the embankment was measured during construction. Assuming all the settlement is elastic and occurs in the medium clay, determine the average stresses imposed on the medium clay under the center of the embankment using the elastic equations. The elastic parameters are E = 15MPa and v = 0.3. (Hint: Assume the lateral strain is zero.)

Explanation / Answer

medium clay have the width of 2m and followed by 8m of medium to dense sand on top of bed rock.

average stresses imposed on the clay

Es= KcCu

Es= elastic modulus

Kc= corelation factor

Cu= stress in the soil

E is given 15

Kc is given as 0.3

Cu= Es/Kc= 15/0.3= 50.

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