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Unformatted text preview: If power equipment is not available then the outside skin of the pile must be removed to get to a more uniform interior. Then samples should be taken from the top third, middle, and bottom third of the pile. When extracting these samples it is best to place a board into the area just above where the sample will be taken from to help prevent segregation of the material. When taking samples from stock piles or samples in general the thing that needs to be reduced the greatest is bias. It is greatly important to reduce this by obtaining uniform samples. Works Cited ASTM D75-03, Standard Practice for Sampling Aggregates, ASTM International...
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- Fall '07