Foundation engineering miscellaneous

Foundation engineering miscellaneous

Easy Questions

Foundation Engineering

Foundation engineering miscellaneous
  1. Negative skin friction in a soil is considered when the pile is constructed through a








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    Negative skin friction is caused by filled up soils, soft clay and other loose soils.

    Correct Option: A

    Negative skin friction is caused by filled up soils, soft clay and other loose soils.

  1. Two circular footings of diameters D1 and D2 are resting on the surface of the same purely cohesive soil. The ratio of their gross ultimate bearing capacities is








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    Bearing capacity a purely cohesive soil does not depend on diameter of footing\ Ratio = 1

    Correct Option: B

    Bearing capacity a purely cohesive soil does not depend on diameter of footing\ Ratio = 1

  1. The figure given below represents the contact pressure distribution underneath a








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    For rigid footing on clay, contact pressure is more at edges than at centre.

    Correct Option: A

    For rigid footing on clay, contact pressure is more at edges than at centre.

  1. In the context of collecting undisturbed soil samples of high quality using a soon sampler, following statements are made.
    I. Area ratio should be less than 10%.
    II. Clearance ratio should less than 1%.
    With reference to above statements, which of the following applies?








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    For collecting undisturbed soil samples of high quality using spoon sampler.
    –area should be less than 10%
    –clear once ratio should be from 1 to 3%.

    Correct Option: C

    For collecting undisturbed soil samples of high quality using spoon sampler.
    –area should be less than 10%
    –clear once ratio should be from 1 to 3%.

  1. Figure below shows a smooth vertical gravity retaining wall with cohesion less soil back fill having an angle of internal friction Φ. In the graphical representation of Rankine’s active earth pressure for the retaining wall shown in figure, length OP represents








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    OP doesn’t cut Mohr’s circle tangentially
    ∴ OP is the live represented vertical stand base.

    Correct Option: A

    OP doesn’t cut Mohr’s circle tangentially
    ∴ OP is the live represented vertical stand base.