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*Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions
*Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions
Standard specifications for the gradation of aggregates are maintained by ASTM [https://www.astm.org/Standards/D2940.htm D2940]
Standard specifications for the gradation of aggregates are maintained by ASTM [https://www.astm.org/Standards/D2940.htm D2940]
<gallery>
File:Particle void ratio.png|thumb|The highest void ratio is found in uniformly graded aggregate, as there are no smaller particles to occupy the inter-particle pores. <ref name = Judge/>
File:Particle permeability.png|thumb|Higher permeability is found in larger, angular, uniformly graded aggregate. This is due to larger pore sizes and lower tortuosity. <ref name = Judge/>
</gallery>
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[[category:materials]]
[[category:materials]]