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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 1620KN. The uniformly distributed load of 45 KN/m includes self-weight.
The stress (in N/mm2) in the bottom fibre at Mid Span is
  • a)
    Tension 2.94
  • b)
    Tensile 4.32
  • c)
    Compression 2.94
  • d)
    Compression 4.32
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A concrete beam prestressed with a parabolic tendon is shown in the sk...
Stress due to load
= -6.3948N/mm2
Stress due to pre-stres
= 9.3312N/mm2
Total stress = 9.3312 – 6.3948 = 2.9364 N/mm2 = 2.94 Compression
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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 1620KN. The uniformly distributed load of 45 KN/m includes self-weight.The stress (in N/mm2) in the bottom fibre at Mid Span isa)Tension 2.94b)Tensile 4.32c)Compression 2.94d)Compression 4.32Correct answer is option 'C'. Can you explain this answer?
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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 1620KN. The uniformly distributed load of 45 KN/m includes self-weight.The stress (in N/mm2) in the bottom fibre at Mid Span isa)Tension 2.94b)Tensile 4.32c)Compression 2.94d)Compression 4.32Correct answer is option 'C'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about 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 1620KN. The uniformly distributed load of 45 KN/m includes self-weight.The stress (in N/mm2) in the bottom fibre at Mid Span isa)Tension 2.94b)Tensile 4.32c)Compression 2.94d)Compression 4.32Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 1620KN. The uniformly distributed load of 45 KN/m includes self-weight.The stress (in N/mm2) in the bottom fibre at Mid Span isa)Tension 2.94b)Tensile 4.32c)Compression 2.94d)Compression 4.32Correct answer is option 'C'. Can you explain this answer?.
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