After a sieve analysis material is usually still stuck in the mesh of the sieves

Question

After a sieve analysis material is usually still stuck in the mesh of the sieves. If too much material is stuck the sieves become ineffective. How would you assure quality control of the sieves if you used them for material testing on a regular basis? The geotechnical field has similar gradation procedures to that of fine and coarse aggregate. For soils, discuss gradation procedures and explain how soils are classified based on their gradation. How does the gradation procedures for soils differ from those for fine and coarse aggregate?

Explanation / Answer

1) After using it we have to thouroughly check whether any aggregates left over. After that if any sediment left, we need to clean it with chemical to ensure that the clay and silt particles to wipe off. This is how we need to after every use.

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