Importance of Different Testing on Road Aggregates
11th July 2020Importance of Different Testing on Road Aggregates
Importance of different testing on road aggregates are as follows:
1. Abrasion test
This test is performed to find out the hardness i.e resistance to abrasion of the stone aggregate. It is very important to know the aggregate hardness value before it used in road construction.
2. Impact test
This test is carried out to find the toughness i.e resistance to hammering effect of the stone aggregate.
3. Soundness or Durability test
This test is done to find the durability, that is the resistance to weathering action.
4. Crushing test
This test is done to find out the strength of coarse aggregate.
5. Shape test
This test is done to find out the percentage of flaky and elongated particles contained in aggregate.
6. Specific gravity test
This test is done to find out the specific gravity of aggregate and the unit weight of aggregate.
7. Water absorption test
This test is done to know whether the aggregates are porous or not.
8. Bitumen adhesion test
This test is carried out to assess the adhesive property of aggregate.
9. Cementation test
This test is performed to assess the cementation property of aggregate.
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Different Size of Aggregates Used For Different Purpose
