ASTM C827-01

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Designation: C 827 – 01
Standard Test Method for
Change in Height at Early Ages of Cylindrical Specimens of
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Cementitious Mixtures
This standard is issued under the fixed designation C 827; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope Test Specimens in the Laboratory
C 305 Practice for Mechanical Mixing of Hydraulic Cement
1.1 This test method covers the determination of change in
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Pastes and Mortars of Plastic Consistency
height of cylindrical specimens from the time of molding until
C 403/C 403M Test Method for Time of Setting of Concrete
the mixture is hard.
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Mixtures by Penetration Resistance
1.2 This test method covers height change measurements at
C 670 Practice for Preparing Precision and Bias Statements
early ages for cementitious mixtures of paste, grout, mortar,
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for Test Methods for Construction Materials
and concrete.
C 807 Test Method for Time of Setting of Hydraulic Ce-
1.3 This test method is intended for determination of
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ment Mortar by Modified Vicat Needle
changes in height that occur from the time of placement until
C 939 Test Method for Flow of Grout for Preplaced-
the specimen is fully hard. These include shrinkage or expan-
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Aggregate Concrete (Flow Cone Method)
sion due to hydration, settlement, evaporation, and other
C 953 Test Method for Time of Setting of Grouts for
physical and chemical effects.
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Preplaced-Aggregate Concrete in the Laboratory
1.4 The values stated in SI units are to be regarded as the
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C 1437 Test Method for Flow of Hydraulic Cement Mortar
standard.
1.5 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
3.1 Definitions—The terms used in this test method are
responsibility of the user of this standard to establish appro-
defined in Terminology C 125.
priate safety and health practices and determine the applica-
3.2 Definitions of Terms Specific to This Standard:
bility of regulatory limitations prior to use.
3.2.1 early-age change in height, n—the measured increase
1.6 The text of this test method references notes and
or decrease in height of a laterally confined cylindrical test
footnotes that provide explanatory information. These notes
specimen from the time of molding to when the mixture
and footnotes shall not be considered as requirements of the
becomes hard. The user may want to define this age as the time
test method.
when a companion specimen of the same batch has reached the
2. Referenced Documents time of final setting by Test Method C 191 (paste), C 953
(mortar or grout), C 403/C 403M (concrete), or establish a
2.1 ASTM Standards:
predetermined age in minutes from the time the specimen is
C 109/C 109M Test Method for Compressive Strength of
cast as the defined age to record the final measurement.
Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube
2 Changes in height are measured and expressed as a positive or
Specimens)
negative change in the height of a test specimen that is
C 125 Terminology Relating to Concrete and Concrete
3 restrained from lateral movement.
Aggregates
C 143/C 143M Test Method for Slump of Hydraulic-
4. Significance and Use
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Cement Concrete
4.1 This test method provides a means for comparing the
C 191 Test Method for Time of Setting of Hydraulic Ce-
2 relative shrinkage or expansion of cementitious mixtures. It is
ment by Vicat Needle
particularly applicable to grouting, patching, and form-filling
C 192/C 192M Practice for Making and Curing Concrete
operations where the objective is to completely fill a cavity or
other defined space with a freshly mixed cementitious mixture
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This test method is under the jurisdiction of ASTM Committee C09 on
that will continue to fill the same space at time of hardening. It
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
would be appropriate to use this test method as a basis for
C09.68 on Volume Change.
Current edition approved Aug. 10, 2001. Published October 2001. Originally prescribing mixtures having restricted or specified volume
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published as C 827 – 75 T. Last previous edition C 827 – 95a (1997) .
change before the mixture becomes hard.
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Annual Book of ASTM Standards, Vol 04.01.
4.2 This test method can be used for research purposes to
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Annual Book of ASTM Standards, Vol 04.02.
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C 827
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provide information on volume changes taking
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