How many vibro roller passes are necessary for full compaction as per IRC

Question

Accepted Answer

IRC recommends 8-10 passes of vibro roller for full compaction.

IRC (Indian Road Congress) recommends 8-10 passes of vibro roller for full compaction.
The number of passes may vary depending on factors such as soil type, moisture content, and thickness of the layer.
In some cases, additional passes may be required to achieve the desired level of compaction.
It is important to conduct regular tests to ensure that the desired level of compaction has been achieved.
Proper compaction is essential for the durability and longevity of the road.
Example: For a 200 mm thick layer of soil, 8-10 passes of vibro roller may be required for full compaction.

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