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  • Question

  • The length of lap in tension reinforcement should not be less than the bar diameter x (actual tension / four times the permissible average bond stress) if it is more than


  • Options
  • A. 18 bar diameters
  • B. 24 bar diameters
  • C. 30 bar diameters
  • D. 36 bar diameters

  • Correct Answer
  • 30 bar diameters 

    • RCC Structures Design problems

    Search Results

    • 1. A pile of length L carrying a uniformly distributed load W per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 2. According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

    • Options
    • A. 20 cm
    • B. 30 cm
    • C. 40 cm
    • D. 50 cm
    • E. 75 cm
      • Discuss
    • 3. If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a

    • Options
    • A. simply supported beam
    • B. continuous beam
    • C. cantilever beam
    • D. none of these.
      • Discuss
    • 4. The maximum shear stress (qmax) in a rectangular beam is

    • Options
    • A. 1.25 times the average
    • B. 1.50 times the average
    • C. 1.75 times the average
    • D. 2.0 times the average
    • E. 2.5 times the average.
      • Discuss
    • 5. If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose ?, the lateral intensity of pressure p2 is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of

    • Options
    • A. h/4
    • B. h/3
    • C. h/2
    • D. 2h/3
      • Discuss
    • 7. If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2, the length of the beam having nominal reinforcement, is

    • Options
    • A. 4 cm
    • B. 6 m
    • C. 8 m
    • D. 10 m
      • Discuss
    • 8. Distribution reinforcement in a simply supported slab, is provided to distribute

    • Options
    • A. load
    • B. temperature stress
    • C. shrinkage stress
    • D. all the above.
      • Discuss
    • 9. The live load to be considered for an inaccessible roof, is

    • Options
    • A. Nil
    • B. 75 kg/m2
    • C. 150 kg/cm2
    • D. 200 kg/m2
      • Discuss
    • 10. Steel beam theory is used for

    • Options
    • A. design of simple steel beams
    • B. steel beams encased in concrete
    • C. doubly reinforced beams ignoring compressive stress in concrete
    • D. beams if shear exceeds 4 times allowable shear stress.
      • Discuss

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