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Soil-mechanics Questions Set 20:

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What is the water in sandy soil called?

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The value of coefficient of passive earth pressure for a soil which is completely plastic in nature is?

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A soil sample has a dry unit weight of 1.5 g/cm³. Calculate the shrinkage ratio of the soil sample.

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A soil has a liquid limit of 45% and a plastic limit of 30%. Determine the toughness index of the soil if the flow index is 20%.

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What type of bonding holds the silica and gibbsite sheets together in the kaolinite clay mineral?

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Determine the coefficient of active earth pressure for backfill inclined at 20 degrees and the backfill is pure sand with phi = 35 degrees. (Answer format - X.XX)

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Root time method is used for determining

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As per the Indian soil classification system, the symbol 'MI' represents

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For a saturated cohesive soil, a triaxial test yields the angle of internal friction (Φ) as zero. The conducted test is

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A conventional drained triaxial compression test was conducted on a normally consolidated clay sample under an effective confining pressure of 200 kPa. The deviator stress at failure was found to be 400 kPa. An identical specimen of the same clay sample is iso-tropically consolidated to a confining pressure of 200 kPa and subjected to standard undrained triaxial compression test. If the deviator stress at failure is 150 kPa, the pore pressure developed (in kPa, up to one decimal place) is_____.

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