ASTM C596-01
(Test Method)Standard Test Method for Drying Shrinkage of Mortar Containing Hydraulic Cement
Standard Test Method for Drying Shrinkage of Mortar Containing Hydraulic Cement
SCOPE
1.1 This test method determines of the change in length on drying of mortar bars containing hydraulic cement and graded standard sand.
1.2 The values stated in SI units are to be regarded as the standard. Values given in parentheses are for information only.
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. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure).
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Designation:C596–01
Standard Test Method for
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Drying Shrinkage of Mortar Containing Hydraulic Cement
This standard is issued under the fixed designation C 596; 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.
1. Scope E 177 Practice for Use of the Terms Precision and Bias in
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ASTM Test Methods
1.1 This test method determines the change in length on
drying of mortar bars containing hydraulic cement and graded
3. Terminology
standard sand.
3.1 The term “drying shrinkage” is defined as the decrease
1.2 The values stated in SI units are to be regarded as the
in length of the test specimen, where the decrease is caused by
standard. Values given in parentheses are for information only.
any factor other than externally applied forces under stated
1.3 This standard does not purport to address all of the
conditions of temperature, relative humidity and evaporation
safety concerns, if any, associated with its use. It is the
rate in the environment; the term includes the net effect of a
responsibility of the user of this standard to establish appro-
varietyofphenomenatendingtobringaboutbothincreasesand
priate safety and health practices and determine the applica-
decreases in length during the period in which the test
bility of regulatory limitations prior to use. (Warning—Fresh
specimens under consideration are stored in the environment
hydraulic cementitious mixtures are caustic and may cause
2 and in which a number of processes, including hydration of the
chemical burns to skin and tissue upon prolonged exposure).
cement, are taking place at a variety of rates.
2. Referenced Documents 3.2 Other terms used in this test method are defined in
Terminology C 219.
2.1 ASTM Standards:
C 157/C 157M Test Method for Length Change of Hard-
4. Significance and Use
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ened Hydraulic Cement Mortar and Concrete
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4.1 This test method establishes a selected set of conditions
C 219 Terminology Relating to Hydraulic Cement
of temperature, relative humidity and rate of evaporation of the
C 305 PracticeforMechanicalMixingofHydraulicCement
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environment to which a mortar specimen of stated composition
Pastes and Mortars of Plastic Consistency
shall be subjected for a specified period of time during which
C 490 Practice for Use of Apparatus for the Determination
its change in length is determined and designated “drying
of Length Change of Hardened Cement Paste, Mortar, and
4 shrinkage”.
Concrete
4.2 The drying shrinkage of mortar as determined by this
C511 Specification for Moist Cabinets, Moist Rooms, and
test method has a linear relation to the drying shrinkage of
Water Storage Tanks Used in the Testing of Hydraulic
4 concrete made with the same cement and exposed to the same
Cements and Concretes
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4 drying conditions. Hence this test method may be used when
C 778 Specification for Standard Sand
C 1005 Specification for Reference Masses and Devices for
Determining Mass for Use in the Physical Testing of
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Annual Book of ASTM Standards, Vol 14.02.
Hydraulic Cements
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Data pertaining to the relation of the drying shrinkage of mortar test specimens
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C 1437 Test Method for Flow of Hydraulic Cement Mortar
and of the drying shrinkage of concrete test specimens as affected by the cement
under specified laboratory test conditions, may be found in RR/120:C-1, available
from ASTM Headquarters; in a report of the California Division of Highways.
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This test method is under the jurisdiction ofASTM Committee C01 on Cement “Significance of the Test for Contraction of Mortar in Air with Respect to
and is the direct responsibility of Subcommittee C01.31 on Volume Change. PerformanceofCementsinConcrete,”Oct.18,1961;andinthepaperbyMardulier,
Current edition approved June 10, 2001. Published September 2001. Originally F. J., Schneider,A. M., and Stockett,A. L., “AnAnalysis of Drying Shrinkage. Data
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published as C 596 – 67 T. Last previous edition C 596 – 96 . forPortlandCementMortarandConcrete,”JournalofMaterials,JMLSA,Am.Soc.
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Section on Safety, Manual of Cement Testing, Annual Book of Standards,Vol Testing Mats., Vol 2, No. 4, 1967, pp. 829–842. A relevant paper by H. T. Arni
04.01. entitled “The Significance of the Correlation Coefficient forAnalyzing Engineering
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Annual Book of ASTM Standards, Vol 04.02. Data” was published in Materials Research and Standards, MTRSA, Am. Soc.
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Annual Book of ASTM Standards, Vol 04.01. Testing Mats., Vol. 11, No. 5, 1971, pp. 16–19.
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