Question

Asked Sep 7, 2019

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What is D30 (or D10 or D 60)?

Step 1

D_{10}, D_{30}, D_{60 }refers to:

D_{10} = particle size (diameter in mm) at which 10% of soil mass finer than the size.

D_{30 }= particle size (diameter in mm) at which 30% of soil mass finer than the size.

D_{60} = particle size (diameter in mm) at which 60% of soil mass finer than the size.

Step 2

It can be easily be understand by sieve analysis chart. For example...

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