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Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete
Automatische name übersetzung:
Standard-Prüfverfahren für Probenahme und Prüfung Flugasche oder natürliche Puzzolane für den Einsatz in Portland-Zement Beton
NORM herausgegeben am 1.2.2013
Bezeichnung normen: ASTM C311/C311M-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.2.2013
SKU: NS-12920
Zahl der Seiten: 10
Gewicht ca.: 30 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
fly ash, natural pozzolan, ICS Number Code 91.100.30 (Concrete and concrete products)
Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||
4.1 These test methods are used to develop data for comparison with the requirements of Specification C618 or Specification C1697. These test methods are based on standardized testing in the laboratory and are not intended to simulate job conditions. 4.1.1 Strength Activity Index—The test for strength activity index is used to determine whether fly ash or natural pozzolan results in an acceptable level of strength development when used with hydraulic cement in concrete. Since the test is performed with mortar, the results may not provide a direct correlation of how the fly ash or natural pozzolan will contribute to strength in concrete. 4.1.2 Chemical Tests—The chemical component determinations and the limits placed on each do not predict the performance of a fly ash or natural pozzolan with hydraulic cement in concrete, but collectively help describe composition and uniformity of the material. |
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1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||
1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use in portland-cement concrete. 1.2 The procedures appear in the
following order:
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.4 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.
1.5 The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables) shall not be considered as requirements of this standard. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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Historisch
1.8.2010
Historisch
1.4.2012
Historisch
1.6.2011
Historisch
1.7.2012
Historisch
1.1.2013
Historisch
15.4.2014
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