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ASTM C1608-12
Standard Test Method for Chemical Shrinkage of Hydraulic Cement Paste
Automaticky přeložený název:
Standardní zkušební metoda pro chemickou smršťování Hydraulický cementové pasty
NORMA vydána dne 15.10.2012
Informace o normě:
Označení normy: ASTM C1608-12
Poznámka: NEPLATNÁ
Datum vydání normy: 15.10.2012
Kód zboží: NS-12003
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM C1608-12 :
Keywords:
chemical shrinkage, hydration., ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
Doplňující informace
| Significance and Use | ||||||||||||||
| 4. Significance and UseNumerous properties of cementitious
materials are controlled by their initial hydration rate. Examples
include early-age strength development, heat release, and crack
resistance. One direct and convenient measure of this initial
hydration rate is provided by the measurement of the chemical
shrinkage of the cement paste during its hydration. As cement
hydrates, the hydration products occupy less volume than the
initial reacting materials (cement and water). Due to this volume
change, a hydrating cement paste will sorb water from its immediate
surroundings, when available. At early times, this sorption is in
direct proportion to the amount of hydration that has
occurred.1.1 This test method measures the
internal (absolute) volume change of hydraulic cement paste that
results from the hydration of the cementitious materials. This
volume change is known as chemical shrinkage
.
1.1.1 Procedure A, volumetric method. 1.1.2 Procedure B, the density method. 1.2 The values stated in SI units are to be regarded as the standard. 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.
Standard Test Methods for Chemical
Analysis of Hydraulic Cement Standard Terminology Relating to
Hydraulic and Other Inorganic Cements (Includes all amendments and
changes 8/28/2020). Standard Practice for Mechanical Mixing
of Hydraulic Cement Pastes and Mortars of Plastic Consistency Standard Specification for Mixing Rooms,
Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the
Testing of Hydraulic Cements and Concretes Standard Practice for Preparing Precision
and Bias Statements for Test Methods for Construction Materials
(Includes all amendments and changes 3/11/2024). Standard Test Method for Density of
Hydraulic Cement Standard Test Method for Heat of
Hydration of Hydraulic Cement (Withdrawn 2019) |
Podobné normy:
Historická
1.2.2010
Historická
1.6.2013
Historická
1.6.2011
Historická
1.12.2013
Historická
15.11.2012
Historická
1.6.2014
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