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For design by working stress method, what is the permissible stress for Fe 500 grade in flexural tension (in N/mm2)?
- a)140
- b)230
- c)275
- d)310
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
For design by working stress method, what is the permissible stress fo...
As per IS 456:2000, Cl. B-2.2 (Table 22)
For high yield strength deformed bars of Grade Fe 500, the permissible stress in direct tension and flexural tension shall be 0.55 fy (0.55 fy = 0.55 x 500 = 275 N/mm2).
The permissible stresses for shear and compression reinforcement shall be as for Grade Fe 415.
For high yield strength deformed bars of Grade Fe 500, the permissible stress in direct tension and flexural tension shall be 0.55 fy (0.55 fy = 0.55 x 500 = 275 N/mm2).
The permissible stresses for shear and compression reinforcement shall be as for Grade Fe 415.
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For design by working stress method, what is the permissible stress fo...
Understanding Fe 500 Grade Steel
Fe 500 grade steel is a high-strength reinforcement steel commonly used in construction and civil engineering projects. The designation "Fe 500" indicates that the yield strength of the steel is 500 N/mm².
Permissible Stress in Flexural Tension
In the working stress method, permissible stresses are derived from the yield strength, factoring in a safety margin to ensure structural integrity. For steel grades, the permissible stress is typically a fraction of the yield strength.
Calculation of Permissible Stress
- The permissible stress (σ) in flexural tension can be calculated using a reduction factor, commonly 0.58 for mild steel.
- For Fe 500:
- Yield Strength = 500 N/mm²
- Permissible Stress = Yield Strength x Reduction Factor
- Permissible Stress = 500 N/mm² x 0.58 = 290 N/mm² (approximately).
Standards and Codes
- According to the IS 456:2000 code, the permissible stress for Fe 500 is indeed established as 230 N/mm² for various structural applications.
- However, in specific conditions like flexural tension, the permissible stress can be more optimally set around 275 N/mm² to ensure safety and performance, which is aligned with the option 'C'.
Conclusion
Thus, while the permissible stress might vary based on specific design codes and conditions, under normal flexural tension scenarios, the permissible stress for Fe 500 is recognized as 275 N/mm², validating option 'C' as the correct answer.
Fe 500 grade steel is a high-strength reinforcement steel commonly used in construction and civil engineering projects. The designation "Fe 500" indicates that the yield strength of the steel is 500 N/mm².
Permissible Stress in Flexural Tension
In the working stress method, permissible stresses are derived from the yield strength, factoring in a safety margin to ensure structural integrity. For steel grades, the permissible stress is typically a fraction of the yield strength.
Calculation of Permissible Stress
- The permissible stress (σ) in flexural tension can be calculated using a reduction factor, commonly 0.58 for mild steel.
- For Fe 500:
- Yield Strength = 500 N/mm²
- Permissible Stress = Yield Strength x Reduction Factor
- Permissible Stress = 500 N/mm² x 0.58 = 290 N/mm² (approximately).
Standards and Codes
- According to the IS 456:2000 code, the permissible stress for Fe 500 is indeed established as 230 N/mm² for various structural applications.
- However, in specific conditions like flexural tension, the permissible stress can be more optimally set around 275 N/mm² to ensure safety and performance, which is aligned with the option 'C'.
Conclusion
Thus, while the permissible stress might vary based on specific design codes and conditions, under normal flexural tension scenarios, the permissible stress for Fe 500 is recognized as 275 N/mm², validating option 'C' as the correct answer.
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For design by working stress method, what is the permissible stress for Fe 500 grade in flexural tension (in N/mm2)?a)140b)230c)275d)310Correct answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about For design by working stress method, what is the permissible stress for Fe 500 grade in flexural tension (in N/mm2)?a)140b)230c)275d)310Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For design by working stress method, what is the permissible stress for Fe 500 grade in flexural tension (in N/mm2)?a)140b)230c)275d)310Correct answer is option 'C'. Can you explain this answer?.
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