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  • Question

  • The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or


  • Options
  • A. 12 bar diameters
  • B. 18 bar diameters
  • C. 24 bar diameters
  • D. 30 bar diameters
  • E. 36 bar diameters

  • Correct Answer
  • 24 bar diameters 

    • RCC Structures Design problems

    Search Results

    • 1. Piles are usually driven by

    • Options
    • A. diesel operated hammer
    • B. drop hammer
    • C. single acting steam hammer
    • D. all the above.
      • Discuss
    • 2. Design of R.C.C. cantilever beams, is based on the resultant force at

    • Options
    • A. fixed end
    • B. free end
    • C. mid span
    • D. mid span and fixed support.
      • Discuss
    • 3. A part of the slab may be considered as the flange of the T-beam if

    • Options
    • A. flange has adequate reinforcement transverse to beam
    • B. it is built integrally with the beam
    • C. it is effectively bonded together with the beam
    • D. all the above.
      • Discuss
    • 4. If the size of a column is reduced above the floor, the main bars of the columns, are

    • Options
    • A. continued up
    • B. bent inward at the floor level
    • C. stopped just below the floor level and separate lap bars provided
    • D. all the above.
      • Discuss
    • 5. In a doubly-reinforced beam if c and t are stresses in concrete and tension reinforcement, d is the effective depth and n is depth of critical neutral axis n, the following relationship holds good

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 6. The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is

    • Options
    • A. 30°
    • B. 40°
    • C. 45°
    • D. 60°
    • E. all the above.
      • Discuss
    • 7. If the shear stress in a R.C.C. beam is

    • Options
    • A. equal or less than 5 kg/cm2, no shear reinforcement is provided
    • B. greater than 4 kg/cm2, but less than 20 kg/cm2, shear reinforcement is provided
    • C. greater than 20 kg/cm2, the size of the section is changed
    • D. all the above.
      • Discuss
    • 8. In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at

    • Options
    • A. less loaded column
    • B. more loaded column
    • C. a point equidistant from either column
    • D. a point of the maximum shear force
    • E. a point of zero shear force.
      • Discuss
    • 9. P is the prestressed force applied to the tendon of a rectangular prestressed beam whose area of cross section is A and sectional modulus is Z. The maximum stress f in the beam, subjected to a maximum bending moment M, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 10. A circular slab subjected to external loading, deflects to form a

    • Options
    • A. semi-hemisphere
    • B. ellipsoid
    • C. parabolloid
    • D. none of these.
      • Discuss

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