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Discussion :: GATE Civil

  1. A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the cross-section. The applied prestressing force at service is 1620 kN. The uniformly distributed load of 45 kN/m includes the self-weight.

    The stress (in N/mm2) in the bottom fibre at mid-span is
    2. A.
    tensile 2.90
    B.
    compressive 2.90
    C.
    tensile 4.32
    D.
    compressive 4.32

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    Workspace

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    Answer : Option B

    Explanation :

    -NA-

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