GSO ASTM C88/C88M:2022
Gulf Standard
Current Edition
·
Approved on
12 May 2022
·
Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
GSO ASTM C88/C88M:2022 Files
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GSO ASTM C88/C88M:2022 Scope
1.1 This test method covers the testing of aggregates to
estimate their soundness when subjected to weathering action
in concrete or other applications. This is accomplished by
repeated immersion in saturated solutions of sodium or magnesium sulfate followed by oven drying to partially or completely dehydrate the salt precipitated in permeable pore
spaces. The internal expansive force, derived from the rehydration of the salt upon re-immersion, simulates the expansion
of water on freezing. This test method furnishes information
helpful in judging the soundness of aggregates when adequate
information is not available from service records of the
material exposed to actual weathering conditions.
1.2 The values stated in SI or inch pound units shall be
regarded separately as standard. The inch –pound units are
shown in brackets. The values stated are not exact equivalents;
therefore each system shall be used independently of the other.
Combining values from the two systems may result in nonconformance.
1.3 Some values have only SI units because the inch-pound
equivalents are not used in practice.
1.4 If the results obtained from another standard are not
reported in the same system of units as used by this test
method, it is permitted to convert those results using the
conversion factors found in the SI Quick Reference Guide.2
NOTE 1—Sieve size is identified by its standard designation in Specification E11. The alternate designation given in parentheses is for
information only and does not represent a different standard sieve size.
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
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