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A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and moments
- a)increase
- b)decrease
- c)remain constant
- d)change its direction
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
A fixed beam of uniform section is carrying a point load at its midspa...
Fixed end moment due to concentrated load P is given by PL/8.
Since, the fixed end moment does not depend on the cross-sectional properties, hence, it will remain same.
Since, the fixed end moment does not depend on the cross-sectional properties, hence, it will remain same.
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A fixed beam of uniform section is carrying a point load at its midspa...
Explanation:
When the moment of inertia of the middle half length of a fixed beam of uniform section is reduced to half its original value, the fixed and moments remain constant. This can be explained as follows:
• Moment of Inertia: The moment of inertia is a measure of an object's resistance to rotational motion about a particular axis. In the case of a fixed beam of uniform section, the moment of inertia is directly proportional to the square of the beam's depth.
• Point Load: When a point load is applied at the midspan of the beam, it creates a moment that is equal to the product of the load and the distance from the load to the support.
• Reduction in Moment of Inertia: When the moment of inertia of the middle half length of the beam is reduced to half its original value, the beam becomes weaker and more flexible. As a result, the deflection of the beam increases, and the stress in the beam also increases.
• Fixed and Moments: However, the fixed support and the moments at the supports remain constant because the load and the distance from the load to the support are still the same. Therefore, the beam will still experience the same fixed support and moments as before, even though it is weaker and more flexible.
Conclusion:
In conclusion, when the moment of inertia of the middle half length of a fixed beam of uniform section is reduced to half its original value, the fixed and moments remain constant. This is because the load and the distance from the load to the support are still the same, even though the beam is weaker and more flexible.
When the moment of inertia of the middle half length of a fixed beam of uniform section is reduced to half its original value, the fixed and moments remain constant. This can be explained as follows:
• Moment of Inertia: The moment of inertia is a measure of an object's resistance to rotational motion about a particular axis. In the case of a fixed beam of uniform section, the moment of inertia is directly proportional to the square of the beam's depth.
• Point Load: When a point load is applied at the midspan of the beam, it creates a moment that is equal to the product of the load and the distance from the load to the support.
• Reduction in Moment of Inertia: When the moment of inertia of the middle half length of the beam is reduced to half its original value, the beam becomes weaker and more flexible. As a result, the deflection of the beam increases, and the stress in the beam also increases.
• Fixed and Moments: However, the fixed support and the moments at the supports remain constant because the load and the distance from the load to the support are still the same. Therefore, the beam will still experience the same fixed support and moments as before, even though it is weaker and more flexible.
Conclusion:
In conclusion, when the moment of inertia of the middle half length of a fixed beam of uniform section is reduced to half its original value, the fixed and moments remain constant. This is because the load and the distance from the load to the support are still the same, even though the beam is weaker and more flexible.
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A fixed beam of uniform section is carrying a point load at its midspa...
B
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A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer?
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A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect 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 A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect 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 A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer?.
A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect 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 A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect 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 A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer?.
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A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of A fixed beam of uniform section is carrying a point load at its midspan. When the moment of inertia of the middle half length is reduced to half its original value, then the fixed and momentsa)increaseb)decreasec)remain constantd)change its directionCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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