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Flexural collapse in over-reinforced beam is due to
a)Compression failure
b)Tension failure
c)Yielding of steel
d)None of these
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Flexural collapse in over-reinforced beam is due toa)Compression failu...
RCC beams have two stages of faliure (the beam is considered to be failed at first stage itself).
The primary faliure (occurs first) in an over reinforced beam is compression faliure, as the crushing of concrete occurs before yielding of thae tension reinforcement.In an under reinforced beam the secondary faliure is compression faliure as crushing of concrete occurs after yielding of tension steel.The collapse of an reinforced beam occurs at the secondary stage. For an over reinforced beam second faliure is tension faliure (yielding of tension reinforcement when the stress in it reaches yield stress on further loading after the primary faliure,crushing of concrete).
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Community Answer
Flexural collapse in over-reinforced beam is due toa)Compression failu...
Flexural collapse in over-reinforced beam is due to Compression failure.
Explanation:
Flexural collapse is a phenomenon that occurs in reinforced concrete beams when the load applied to the beam exceeds the maximum bending capacity of the beam. In other words, when the beam is subjected to a load that is beyond its maximum bending capacity, it will fail in flexure.
In an over-reinforced beam, the amount of steel reinforcement used in the beam is more than what is required to resist the maximum bending moment that the beam is likely to experience. This means that the beam will not fail in tension, as the excess steel reinforcement will prevent the concrete from cracking and the steel from yielding. However, the beam will fail in compression, as the excess steel reinforcement will cause the concrete to crush before the steel reinforcements reach their yield strength.
In conclusion, the flexural collapse in over-reinforced beams is due to compression failure.
Explanation:
Flexural collapse is a phenomenon that occurs in reinforced concrete beams when the load applied to the beam exceeds the maximum bending capacity of the beam. In other words, when the beam is subjected to a load that is beyond its maximum bending capacity, it will fail in flexure.
In an over-reinforced beam, the amount of steel reinforcement used in the beam is more than what is required to resist the maximum bending moment that the beam is likely to experience. This means that the beam will not fail in tension, as the excess steel reinforcement will prevent the concrete from cracking and the steel from yielding. However, the beam will fail in compression, as the excess steel reinforcement will cause the concrete to crush before the steel reinforcements reach their yield strength.
In conclusion, the flexural collapse in over-reinforced beams is due to compression failure.
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