Discussion
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- Question
In a beam the local bond stress Sb, is equal to
Options- A.
- B.
- C.
- D.
- E. None of these.
- Correct Answer
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- 1. High strength concrete is used in prestressed member
Options- A. to overcome high bearing stresses developed at the ends
- B. to ovecome bursting stresses at the ends
- C. to provide high bond stresses
- D. to overcome cracks due to shrinkage
- E. all the above. Discuss
- 2. The width of the flange of a T-beam should be less than
Options- A. one-third of the effective span of the T-beam
- B. distance between the centres of T-beam
- C. breadth of the rib plus twelve times the thickness of the slab
- D. least of the above. Discuss
- 3. The advantage of a concrete pile over a timber pile, is
Options- A. no decay due to termites
- B. no restriction on length
- C. higher bearing capacity
- D. not necessary to cut below the water mark
- E. all the above. Discuss
- 4. The amount of reinformcement for main bars in a slab, is based upon
Options- A. minimum bending moment
- B. maximum bending moment
- C. maximum shear force
- D. minimum shear force. Discuss
- 5. Post tensioning system
Options- A. was widely used in earlier days
- B. is not economical and hence not generally used
- C. is economical for large spans and is adopted now a days
- D. none of these. Discuss
- 6. In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are:
Options- A. 6 legged
- B. 8 legged
- C. 10 legged
- D. 12 legged
- E. none of these. Discuss
- 7. The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon
Options- A. breadth of the rib
- B. overall thickness of the rib
- C. centre to centre distance between T-beams
- D. span of the T-beam
- E. all the above. Discuss
- 8. For M 150 mix concrete, according to I.S. specifications, local bond stress, is
Options- A. 5 kg/cm2
- B. 10 kg/cm2
- C. 15 kg/cm2
- D. 20 kg/cm2
- E. 25 kg/cm2 Discuss
- 9. For initial estimate for a beam design, the width is assumed
Options- A. 1/15th of span
- B. 1/20th of span
- C. 1/25th of span
- D. 1/30th of span
- E. 1/40th of span. Discuss
- 10. Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than
Options- A. 42 diameters from the centre of the column
- B. 42 diameters from the inner edge of the column
- C. 42 diameters from the outer edge of the column
- D. 24 diameter from the centre of the column Discuss
RCC Structures Design problems
Search Results
Correct Answer: all the above.
Correct Answer: least of the above.
Correct Answer: all the above.
Correct Answer: maximum bending moment
Correct Answer: none of these.
Correct Answer: 12 legged
Correct Answer: all the above.
Correct Answer: 10 kg/cm2
Correct Answer: 1/30th of span
Correct Answer: 42 diameters from the outer edge of the column
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