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The structural collapse for a clay soil usually occurs at __________

(a) First saturation

(b) Last

(c) Does not occur

(d) At an intermediate

I have been asked this question in an international level competition.

My question is from Collapsible Soils topic in division Index Properties Determination of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
Correct option is (a) First saturation

Easy explanation: As there is a sudden compression of the soil under pressure, the structural collapse occurs upon first saturation.

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