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The highest CBR number is required for __________
- a)Pavement
- b)Sub grade
- c)Sub base
- d)Base
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The highest CBR number is required for __________a)Pavementb)Sub grade...
CBR number decreases with an increase in height, the soil requires the highest CBR and the pavement requires the lowest CBR.
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The highest CBR number is required for __________a)Pavementb)Sub grade...
Sub grade requires the highest CBR number
Explanation:
- Definition of CBR: CBR stands for California Bearing Ratio, which is a penetration test to evaluate the strength of subgrade soil and other materials.
- Importance of CBR: CBR is crucial in determining the load-bearing capacity of different layers in a pavement structure.
- CBR requirements for different layers:
- Subgrade: The subgrade is the native soil underneath the pavement layers. It requires the highest CBR number as it directly supports the pavement structure and needs to withstand the applied loads.
- Sub base and base: While sub base and base layers also require good CBR values, they are primarily responsible for providing a stable foundation for the pavement layers above.
- Role of CBR in sub grade: A high CBR value in the subgrade ensures that it can resist deformation and provide adequate support to prevent premature pavement failure.
- Consequences of inadequate CBR in sub grade: If the subgrade has a low CBR number, it can lead to settlement, rutting, and structural distress in the pavement layers above.
- Conclusion: In conclusion, the highest CBR number is required for the subgrade to ensure the long-term performance and durability of the pavement structure.
Explanation:
- Definition of CBR: CBR stands for California Bearing Ratio, which is a penetration test to evaluate the strength of subgrade soil and other materials.
- Importance of CBR: CBR is crucial in determining the load-bearing capacity of different layers in a pavement structure.
- CBR requirements for different layers:
- Subgrade: The subgrade is the native soil underneath the pavement layers. It requires the highest CBR number as it directly supports the pavement structure and needs to withstand the applied loads.
- Sub base and base: While sub base and base layers also require good CBR values, they are primarily responsible for providing a stable foundation for the pavement layers above.
- Role of CBR in sub grade: A high CBR value in the subgrade ensures that it can resist deformation and provide adequate support to prevent premature pavement failure.
- Consequences of inadequate CBR in sub grade: If the subgrade has a low CBR number, it can lead to settlement, rutting, and structural distress in the pavement layers above.
- Conclusion: In conclusion, the highest CBR number is required for the subgrade to ensure the long-term performance and durability of the pavement structure.
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The highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2025 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 highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer?.
The highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2025 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 highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The highest CBR number is required for __________a)Pavementb)Sub gradec)Sub based)BaseCorrect answer is option 'B'. Can you explain this answer?.
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