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 AASHTO T 21. Comparison is made between compressive strengths of mortar made with washed and unwashed fine aggregate.
AASHTO T 71-93 (2005)
Original price was: $120.00.$60.00Current price is: $60.00.
Standard Method of Test for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar [ASTM Designation: C87-83(1995)]
American Association of State Highway and Transportation Officials , 1993
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