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The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is at 
  • a)
    at mid span
  • b)
    so placed that load point and the CG of the train of loads coincides 
  • c)
    at one-quarter span
  • d)
    so placed that load point and the CG of the train of loads equi-distant from the mid span.
Correct answer is option 'D'. Can you explain this answer?
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The maximum bending moment under a particular point load among a train...


Explanation:

Location of Maximum Bending Moment:
- The maximum bending moment in a simply supported girder occurs under a point load when the load point and the center of gravity (CG) of the train of loads are equidistant from the mid-span.
- This is because when the load point and the CG are equidistant from the mid-span, the bending moment created by the load is not counteracted by the other loads in the train.

Effect of Load Placement:
- If the load is placed at mid-span, the bending moment will be distributed evenly on either side of the mid-span, resulting in a lower maximum bending moment compared to when the load is placed to maximize the bending moment.
- Placing the load at one-quarter span or at a point where the load point and the CG coincide will not result in the maximum bending moment.

Significance of Equidistant Placement:
- Placing the load point and the CG of the train of loads equidistant from the mid-span ensures that the bending moment created by the load is not canceled out by the other loads in the train.
- This results in the maximum bending moment at that particular location.

Therefore, the correct option is "d) so placed that load point and the CG of the train of loads equidistant from the mid-span" for the maximum bending moment under a particular point load among a train of point loads crossing a simply supported girder.
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Conclusion: The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is at a point so that the load and the resultant should be equidistant from the mid-span.
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The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is ata)at mid spanb)so placed that load point and the CG of the train of loads coincidesc)at one-quarter spand)so placed that load point and the CG of the train of loads equi-distant from the mid span.Correct answer is option 'D'. Can you explain this answer?
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The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is ata)at mid spanb)so placed that load point and the CG of the train of loads coincidesc)at one-quarter spand)so placed that load point and the CG of the train of loads equi-distant from the mid span.Correct answer is option 'D'. 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 The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is ata)at mid spanb)so placed that load point and the CG of the train of loads coincidesc)at one-quarter spand)so placed that load point and the CG of the train of loads equi-distant from the mid span.Correct answer is option 'D'. 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 The maximum bending moment under a particular point load among a train of point loads crossing a simply Supported girder occurs at the location when that load is ata)at mid spanb)so placed that load point and the CG of the train of loads coincidesc)at one-quarter spand)so placed that load point and the CG of the train of loads equi-distant from the mid span.Correct answer is option 'D'. Can you explain this answer?.
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