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ASTM C1645-06

(Test Method)

Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units

Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units

SCOPE
1.1 This test method covers the resistance to freezing and thawing of solid interlocking concrete paving units conforming to the dimensional requirements of Specification C 936. Units are tested in a test solution that is either water or 3 % saline solution, depending on the intended use of the units in actual service.
1.2 The values stated in SI units are to be regarded as the standard.
This standard does not purport to address all of the safety concerns, in any, associated with its use. It is the responsibility of the use of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitation prior to use.

General Information

Status
Historical
Publication Date
31-May-2006
ICS
91.080.40 - Concrete structures
Technical Committee
C15 - Masonry – Manufactured Masonry Units, Mortars and Grouts
Drafting Committee
C15.03 - Concrete Masonry Units and Related Units
Current Stage
Ref Project

Relations

Replaced By
ASTM C1645/C1645M-09 - Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units
Effective Date
15-Jul-2009
Referred By
ASTM C936/C936M-23 - Standard Specification for Solid Concrete Interlocking Paving Units
Effective Date
01-Jun-2006
Referred By
ASTM C1790-21 - Standard Specification for Fly Ash Facing Brick
Effective Date
01-Jun-2006
Referred By
ASTM C1782/C1782M-23 - Standard Specification for Segmental Concrete Paving Slabs
Effective Date
01-Jun-2006

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ASTM C1645-06 - Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving UnitsASTM C1645-06 - Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units
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ASTM C1645-06 - Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C1645–06
Standard Test Method for
Freeze-thaw and De-icing Salt Durability of Solid Concrete
Interlocking Paving Units
This standard is issued under the fixed designation C1645; 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 4. Apparatus
1.1 This test method covers the resistance to freezing and 4.1 Freezing-and-Thawing Apparatus—The freezing appa-
thawingofsolidinterlockingconcretepavingunitsconforming ratus shall consist of suitable cabinet or cold room with
to the dimensional requirements of Specification C936. Units controls to reach and maintain an air temperature of −5 6 3°C
are tested in a test solution that is either water or 3% saline (23 6 5°F) within1hof introduction of specimens. The
solution, depending on the intended use of the units in actual thawing chamber shall maintain a controlled air temperature.
service. This temperature shall never be greater than + 30°C (86°F).
1.2 The values stated in SI units are to be regarded as the 4.2 Balance—Abalance capable of weighing 500 g with an
standard. accuracyof 60.1gshallbeusedformeasuringthemassofthe
1.3 This standard does not purport to address all of the fine spalled material.
safety concerns, in any, associated with its use. It is the 4.3 Oven—The oven shall be vented and capable of being
responsibility of the use of this standard to establish appropri- maintained at 60 6 2°C (140 6 4°F).
ate safety and health practices and determine the applicability 4.4 Specimen Container—The specimen container shall be
of regulatory limitation prior to use. made of non-corroding flexible material and have dimensions
that allow complete submersion of the specimen in the test
2. Referenced Documents
solution.The size of the container shall be less than or equal to
2.1 ASTM Standards:
three times the volume of the unit that is being tested. The
C936 Specification for Solid Concrete Interlocking Paving container shall prevent evaporation of the test solution.
Units
5. Sampling
3. Significance and Use
5.1 Selection of Test Specimens—Select whole units repre-
3.1 This test method is intended to determine the effects of sentative of the lot from which they are selected. The units
freezing and thawing on units conforming to the dimensional
shall be free from visible cracks, chipped edges, and structural
requirements of Specification C936 while immersed in a test defects.
solution. Other types of segmental concrete paving units that
5.2 Number of Test Specimens—Sample according to the
do not conform to the dimensional requirements of Specifica- requirements of Specification C936.
tion C936 may be tested using this method.
5.3 Identification—Mark each test specimen so that it is
3.2 The results from this test method are not intended to identifiable at any time.
provide a quantitative measure of the length of service from
6. Preparation of Test Specimens
paving units conforming to the dimensional requirements of
Specification C936. 6.1 Curing and Conditioning—Test specimens shall consist
offullsizeunits,aminimumof28daysold.Aftersampling,all
test specimens shall be cured for 14 days in a moist chamber
ThisspecificationisunderthejurisdictionofASTMCommitteeC27onPrecast
(cabinetorroom)atanairtemperatureof23 62°C(73 64°F)
Concrete Products and is the direct responsibility of Subcommittee C27.20 on
and a relative humidity of at least 90%. Moist curing shall be
Architectural and Structural Products.
Current edition approved on June 1, 2006. Published June 2006.
followed by air curing for a minimum of 14 days at 23 6 5°C
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
(73 6 9°F) at a minimum 40% relative humidity.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.1.1 After air curing, specimens then shall be oven condi-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. tioned for 48 h 62hat60° 6 2°C (140 6 4°F).
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1645–06
6.1.2 Before testing begins, the specimens shall be brushed material collected at the bottom of the containers shall be
clean with a stiff bristled brush and all loose burrs and edge washed, filtered using an 80 µm filter paper, and dried to a
shards shall be removed with a carborundum stone. constant mass. This residue shall be defined as mass loss
expressedingrams.Theresidueshallbecumulativelyweighed
after 10, 25, and 50 (if necessary) cycles.
7. Procedure
7.5.1 If the test solution is 3% saline, provide a new
7.1 Freezing and Thawing Cycles—One freeze-thaw cycle
solution of 3% NaCl following each determination of loss of
shall be completed every 24 h. The cycle shall consist of 16 6
mass. The 24-hour presoaking period shall be waive
...

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SIGNIFICANCE AND USE
3.1 This test method is intended to determine the effects of freezing and thawing on units conforming to the dimensional requirements of Specification C936/C936M while immersed in a test solution. Other types of segmental concrete paving units that do not conform to the dimensional requirements of Specification C936/C936M may be tested using this test method.  
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1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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