ASTM C511-19

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:C511 −19
Standard Specification for
Mixing Rooms, Moist Cabinets, Moist Rooms, and Water
Storage Tanks Used in the Testing of Hydraulic Cements
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and Concretes
This standard is issued under the fixed designation C511; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* E77 Test Method for Inspection and Verification of Ther-
mometers
1.1 This specification includes requirements for mixing
C125 Terminology Relating to Concrete and Concrete Ag-
rooms where paste and mortar specimens are prepared; and for
gregates
moist cabinets, moist rooms, and water storage tanks where
C219 Terminology Relating to Hydraulic Cement
paste, mortar, and concrete specimens are stored.
IEEE/ASTM SI 10 Standard for Use of the International
1.2 The values stated in SI units are to be regarded as
System of Units (SI): The Modern Metric System
standard. No other units of measurement are included in this
standard. Values in SI units shall be obtained by measurement
3. Terminology
in SI units or by appropriate conversion, using the Rules for
3.1 Definitions:
Conversion and rounding given in Standard IEEE/ASTM SI
3.1.1 RefertoTerminologyC125andTerminologyC219for
10, of measurements made in other units.
definitions of terms used in this test method.
1.3 The text of this standard references notes and footnotes
3.2 Definitions of Terms Specific to This Standard:
which provide explanatory material. These notes and footnotes
3.2.1 mixing room, n—a room with controlled temperature
(excluding those in tables and figures) shall not be considered
and relative humidity where cement paste and mortar speci-
as requirements of this standard.
mens are prepared.
1.4 This standard does not purport to address all of the
3.2.2 moist cabinet, n—a compartmented storage facility of
safety concerns, if any, associated with its use. It is the
moderate dimensions with controlled temperature and relative
responsibility of the user of this standard to establish appro-
humidity.
priate safety, health, and environmental practices and deter-
3.2.3 moist room, n—a “walk-in” storage facility with
mine the applicability of regulatory limitations prior to use.
controlled temperature and relative humidity, commonly called
1.5 This international standard was developed in accor-
a fog room when the prescribed relative humidity is achieved
dance with internationally recognized principles on standard-
by the atomization of water.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
4. Requirements for Cement Mixing Rooms
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4.1 The temperature of the air in the vicinity of the mixing
slab, molds, and base plates shall be maintained at 23.0 6
2. Referenced Documents
4.0 °C and at a relative humidity of not less than 50 %.
2
2.1 ASTM Standards:
4.2 The temperature of the mixing water used to prepare
C51 Terminology Relating to Lime and Limestone (as used
cement paste and mortar specimens shall be 23.0 6 2.0 °C.
by the Industry)
5. Temperature Measuring Devices
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This specification is under the jurisdiction of ASTM Committee C01 on
Cement and is the direct responsibility of Subcommittee C01.95 on Coordination of
5.1 Reference Temperature Measuring Device—used to
Standards.
verify the temperature recorder, must be accurate and readable
Current edition approved June 15, 2019. Published June 2019. Originally
to 0.5 ºC. A copy of the certificate or report which verifies the
approved in 1968. Last previous edition approved in 2013 as C511 – 13. DOI:
10.1520/C0511-19. accuracy shall be available in the laboratory.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
NOTE 1—The ice-point method described in Test Method E77 may be
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on used to ensure that no damage to the reference thermometer has occurred
the ASTM website. during shipping.
*A Summary of Changes section appears at the end of this standard
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C511−19
5.2 Temperature Recorder—shall record temperatures every 6.1.1.2 Thermostatically control the space surrounding the
15 min or less and shall be accurate and readable to 1 ºC. The moist cabinet or moist room and manually control the tempera-
data from the recorder shall
...