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For the calculation of effective width of flange in continuous beams and frames, the distance between points of zero moments may be assumed as,
  • a)
    0.5 of effective span
  • b)
    0.7 of effective span
  • c)
    same as effective span
  • d)
    twice of effective span
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
For the calculation of effective width of flange in continuous beams a...
As per IS 456:2000, Cl. 23.1.2-
For continuous beams and frames, the distance between points of zero moments in the beam is assumed as 0.7 times effective span.
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Most Upvoted Answer
For the calculation of effective width of flange in continuous beams a...
Explanation:

Effective Width of Flange:
- The distance between points of zero moments in continuous beams and frames can be assumed as 0.7 of the effective span.
- This assumption is based on the behavior of the structure under loading and the distribution of bending moments along the span.
- By considering 0.7 of the effective span, the effective width of the flange can be accurately determined for the analysis and design of the structure.
- This assumption helps in simplifying the calculation process and ensures that the structure's behavior is accurately modeled.

Importance of Effective Width:
- The effective width of the flange plays a crucial role in determining the load-carrying capacity and overall performance of the beam or frame.
- It influences the distribution of bending moments, shear forces, and deflections in the structure.
- By accurately determining the effective width, engineers can ensure that the structure meets the required strength and serviceability criteria.

Conclusion:
- In conclusion, assuming the distance between points of zero moments as 0.7 of the effective span is a common and practical approach for calculating the effective width of the flange in continuous beams and frames.
- This assumption simplifies the analysis process while ensuring that the structure's behavior is accurately represented.
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For the calculation of effective width of flange in continuous beams and frames, the distance between points of zero moments may be assumed as,a)0.5 of effective spanb)0.7 of effective spanc)same as effective spand)twice of effective spanCorrect answer is option 'B'. Can you explain this answer?
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