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View larger AASHTO T 71-08 (2017)
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AASHTO T 71-08 (2017) Standard Method of Test for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar (ASTM Designation C 87/C 87M-10)
standard by American Association of State and Highway Transportation Officials, 2008
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This test method covers the determination of the effect on mortar strength of the organic impurities in fine aggregate, whose presence is indicated by tests with T 21. Comparison is made between compressive strengths of mortar made with washed and unwashed fine aggregate.This method is similar to but not technically identical to ASTM C 87/C 87M-10