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EVS 901-20:2013

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Road construction - Test methods - Part 20: Determination of permeability

This Estonian Standard specifies laboratory test method to determine the coefficient of permeability of water through water-saturated soils and natural fine aggregate used for filter layer in road construction and civil engineering works. The test is carried out for specimens with lower sieve size (d) = 0 and upper sieve size (D) = 4 mm, which are compacted at the optimum water content that is based on (relationship between the water content and the dry density of) Proctor compaction under specified test conditions of aggregate or soil particles passing sieve size 4 mm.

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