Question
Download Solution PDFGranular bases are used in pavements to:
This question was previously asked in
OSSC JE Civil Mains (Re-Exam) Official Paper: (Held On: 3rd Sept 2023)
Answer (Detailed Solution Below)
Option 4 : All of the above
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OSSC JE Civil Geo-technical Engineering Mock Test
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Detailed Solution
Download Solution PDFGranular Bases in Pavements:
- Increase the load-carrying capacity: Granular bases help distribute the traffic load over a larger area, thereby increasing the overall load-carrying capacity of the pavement.
- Prevent mud pumping in concrete pavements: Granular bases act as a filter layer that prevents fine subgrade particles from being pumped to the surface due to water infiltration and the action of traffic loads.
- Prevent volume change in the subgrade: Granular bases provide stability and help prevent the subgrade from undergoing volume changes due to moisture variations, which can cause differential settlements and pavement damage.
Solution:
The correct choice is:
Option 4) All of the above ```
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