Differentiate between compaction and consolidation with four points.
Difference between compaction and consolidation:
Compaction
|
Consolidation
|
Instant compression of soil under dynamic load is called compaction.
|
Gradual compression of soil under steady load is called consolidation
|
It is fast process.
|
It is very slow process.
|
It is artificial process.
|
It is natural process.
|
It is done to improve soil properties like bearing capacity, shear strength, impermeability etc.
|
It takes place due to structural load which does not improve soil properties.
|
Settlement is prevented due to compaction.
|
Settlement takes place due to consolidation.
|
Compaction is done before construction of structure.
|
Consolidation takes place after construction of structure.
|
Pore water pressure is not important in compaction.
|
Pore water pressure is very important in compaction.
|
Compaction does not go indefinitely.
|
Consolidation goes indefinitely.
|