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ASTM C1761/C1761M-15
Standard Specification for Lightweight Aggregate for Internal Curing of Concrete
Automatische name übersetzung:
Standard-Spezifikation für Leichtzuschlag für Binnen Härtung von Beton
NORM herausgegeben am 1.4.2015
Informationen über die Norm:
Bezeichnung normen: ASTM C1761/C1761M-15
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2015
SKU: NS-588578
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM C1761/C1761M-15 :
Keywords:
absorption, desorption, internal curing, lightweight aggregate, relative density, wetted surface dry,, ICS Number Code 91.100.30 (Concrete and concrete products)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||
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1.1 This specification covers lightweight aggregate intended to provide water for internal curing of concrete. It includes test methods for determining the absorption and desorption properties of lightweight aggregate. Note 1: Internal curing provides an additional source of water
to sustain hydration and substantially reduce the early-age
autogenous shrinkage and self-desiccation that can be significant
contributors to early-age cracking. Appendix X1 provides guidance on
calculating the quantity of lightweight aggregate for internal
curing.
1.2 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. Some values have only SI units because the inch-pound equivalents are not used in practice. Note 2: Sieve size is identified by its standard designation
in Specification E11. The
alternative designation given in parentheses is for information
only and does not represent a different standard sieve
size.
1.3 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.4 This specification 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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