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ASTM C311-11b
Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete (Includes all amendments And changes 3/25/2013).
Automatische name übersetzung:
Standard-Prüfverfahren für Probenahme und Prüfung Flugasche oder natürliche Puzzolane für den Einsatz in Portland - Zement Beton
NORM herausgegeben am 1.12.2011
Informationen über die Norm:
Bezeichnung normen: ASTM C311-11b
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.12.2011
SKU: NS-12919
Zahl der Seiten: 10
Gewicht ca.: 30 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM C311-11b :
Keywords:
fly ash, natural pozzolan, Alkalies content--cement, Calcined pozzolans, Concrete admixtures, Fineness, Fly ash and other pozzolans, Portland cement concrete (PCC), Pozzolans, Strength--cement/concrete mixtures/applications, ICS Number Code 91.100.30 (Concrete and concrete products)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||
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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. 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. 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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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 SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 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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