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Q. Illustrate Concept of filter design?
The material used for filter should satisfy the following normal criteria
a. Filter material is more pervious than the base material / core material
b. Filter material has such gradation that the particles of base / core material do not migrate through. Such migration can clog the voids and fail the very purpose of a filter.
c. Filter material helps to form natural graded material in the zone of base material / core material.
d. Normally, natural material to satisfy the above requirements is not readily available in nature. A graded filter design consists of layers of different grades.
e. To minimise segregation, each grade of the filter material is normally very uniform in size.
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#How to find the sieve analysis of 20mm aggregate?
GIS AND REMOTE SENSING
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