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A concrete beam of span 15 m, 150 mm wide and 350 mm deep is prestressed with a parabolic cable as shown in the figure (not drawn to the scale). Coefficient of friction for the cable is 0.35, and coefficient of wave effect is 0.0015 per metre.

If the cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.
    Correct answer is '4.49'. Can you explain this answer?
    Verified Answer
    A concrete beam of span 15 m, 150 mm wide and 350 mm deep is prestress...

    Jacking from one end
    x = L = 15 m
    Wobble correction factor, K = 0.0015
    Coefficient of friction = 0.35 = μ
    P = Not given
    p0 = Unknown
    Change of gradient, 
    % loss of stress in steel due to friction

    = (0.0015 × 15 + 0.35 × 0.064) × 100
    = 4.49%
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    A concrete beam of span 15 m, 150 mm wide and 350 mm deep is prestressed with a parabolic cable as shown in the figure (not drawn to the scale). Coefficient of friction for the cable is 0.35, and coefficient of wave effect is 0.0015 per metre.If the cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.Correct answer is '4.49'. Can you explain this answer?
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    A concrete beam of span 15 m, 150 mm wide and 350 mm deep is prestressed with a parabolic cable as shown in the figure (not drawn to the scale). Coefficient of friction for the cable is 0.35, and coefficient of wave effect is 0.0015 per metre.If the cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.Correct answer is '4.49'. 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 of span 15 m, 150 mm wide and 350 mm deep is prestressed with a parabolic cable as shown in the figure (not drawn to the scale). Coefficient of friction for the cable is 0.35, and coefficient of wave effect is 0.0015 per metre.If the cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.Correct answer is '4.49'. 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 of span 15 m, 150 mm wide and 350 mm deep is prestressed with a parabolic cable as shown in the figure (not drawn to the scale). Coefficient of friction for the cable is 0.35, and coefficient of wave effect is 0.0015 per metre.If the cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.Correct answer is '4.49'. Can you explain this answer?.
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