ASTM-C87 › Historical Revision Information
Standard Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar
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Scope
1.1 This test method covers the determination of the effect on mortar strength of the organic impurities in fine aggregate, whose presence is indicated using Test Method C 40. Comparison is made between compressive strengths of mortar made with washed and unwashed fine aggregate.
1.2 The SI values shown are to be regarded as the standard. The inch-pound values shown in parentheses are provided for information purposes only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.(Warning—Fresh hydraulic cementitous mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure.)²
Significance and Use
This test method is of significance in making a final determination of the acceptability of fine aggregates with respect to the requirements of Specification C 33
This test method is applicable to those samples which, when tested in accordance with Test Method C 40
Many specifications provide for the acceptance of fine aggregate producing a darker color in the Test Method C 40
Keywords
aggregate; fine aggregate; organic impurities; mortar strength; ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
To find similar documents by ASTM Volume:
04.02 (Concrete and Aggregates)
To find similar documents by classification:
91.100.10 (Cement. Gypsum. Lime. Mortar)
To find similar documents by Federal Supply Class Code:
FSC 5610 (Mineral Construction Materials, Bulk)
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Document Number
ASTM-C87-05
Revision Level
2005 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
July 1, 2005
Document Type
Test Method
Page Count
4 pages
Committee Number
C09.20