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In the case of a continuous RC beam,in order to obtain the maximum positive span moment,where should the live load be placed?
  • a)
    On all the spans
  • b)
    On alternate spans starting from the left
  • c)
    On spans adjacenet to the spans under consideration
  • d)
    On the span plus alternate spans
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In the case of a continuous RC beam,in order to obtain the maximum pos...
Explanation:

To obtain the maximum positive span moment in a continuous RC beam, the live load should be placed on the span plus alternate spans.

Reasoning:

The reason behind selecting the option 'D' is that the continuous RC beam is a type of beam that is supported by several supports along its length. Thus, the beam is designed to resist the bending moment induced by the live load acting on it. The bending moment is the maximum at mid-span of the continuous beam and decreases towards the supports. Therefore, to obtain the maximum positive span moment, the live load should be placed on the span plus alternate spans. This is because when the live load is placed on the span plus alternate spans, it causes the maximum bending moment to occur in the mid-span of the beam, resulting in the maximum positive span moment.

Advantages of Placing Live Load on the Span Plus Alternate Spans:

The advantages of placing the live load on the span plus alternate spans to obtain the maximum positive span moment are as follows:

1. Maximum Bending Moment: Placing the live load on the span plus alternate spans results in the maximum bending moment occurring in the mid-span of the beam. This results in the maximum positive span moment.

2. Uniform Load Distribution: Placing the live load on the span plus alternate spans helps in the uniform distribution of the load along the beam. This results in a balanced load distribution, which reduces the risk of bending and deformation.

3. Efficient Use of Material: Placing the live load on the span plus alternate spans helps in the efficient use of material. This is because the maximum positive span moment is obtained, resulting in the maximum load-carrying capacity of the beam.

Conclusion:

In conclusion, to obtain the maximum positive span moment in a continuous RC beam, the live load should be placed on the span plus alternate spans. This helps in the efficient use of material and reduces the risk of bending and deformation.
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Community Answer
In the case of a continuous RC beam,in order to obtain the maximum pos...
Based on IS456-2000
D is Right
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In the case of a continuous RC beam,in order to obtain the maximum positive span moment,where should the live load be placed?a)On all the spansb)On alternate spans starting from the leftc)On spans adjacenet to the spans under considerationd)On the span plus alternate spansCorrect answer is option 'D'. Can you explain this answer?
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In the case of a continuous RC beam,in order to obtain the maximum positive span moment,where should the live load be placed?a)On all the spansb)On alternate spans starting from the leftc)On spans adjacenet to the spans under considerationd)On the span plus alternate spansCorrect 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 In the case of a continuous RC beam,in order to obtain the maximum positive span moment,where should the live load be placed?a)On all the spansb)On alternate spans starting from the leftc)On spans adjacenet to the spans under considerationd)On the span plus alternate spansCorrect 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 In the case of a continuous RC beam,in order to obtain the maximum positive span moment,where should the live load be placed?a)On all the spansb)On alternate spans starting from the leftc)On spans adjacenet to the spans under considerationd)On the span plus alternate spansCorrect answer is option 'D'. Can you explain this answer?.
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