ASTM D1985-03
(Practice)Standard Practice for Preparing Concrete Blocks for Testing Sealants, for Joints and Cracks
Standard Practice for Preparing Concrete Blocks for Testing Sealants, for Joints and Cracks
SIGNIFICANCE AND USE
It is intended that this practice may be used by manufacturers, users, and testing agencies. The use of this practice establishes a uniform procedure for preparing concrete blocks for the testing of sealants. It is not intended to establish test procedures or conditions of test which are associated with each of the joint sealants.
SCOPE
1.1 This practice covers the preparation of concrete blocks used for testing of joint and crack sealants for portland cement concrete and asphaltic concrete pavements. There are numerous standard material specifications that use concrete blocks prepared according to this practice. Refer to the specific standard material specification of interest to determine which tests apply and refer to the test methods for each specific test.
1.2 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.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
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Designation:D1985–03
Standard Practice for
Preparing Concrete Blocks for Testing Sealants, for Joints
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and Cracks
This standard is issued under the fixed designation D 1985; 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. Standard Conditions
1.1 This practice covers the preparation of concrete blocks 4.1 The laboratory atmospheric conditions, hereinafter re-
used for testing of joint and crack sealants for portland cement ferred to as standard conditions, shall be in accordance with
concrete and asphaltic concrete pavements. There are numer- Specification E 171, (23 6 2°C (73.4 6 3.6°F) and 50 % 6
ous standard material specifications that use concrete blocks 5 % relative humidity).
prepared according to this practice. Refer to the specific
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5. Concrete Block Preparation
standard material specification of interest to determine which
tests apply and refer to the test methods for each specific test. 5.1 Materials—The aggregate shall conform to Specifica-
tion C 33, except as specified herein. The aggregate grading
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the shallbeasshowninTable1.Thecoarseaggregateshallconsist
of crushed limestone (plus 95 % CaCO ) having a water
responsibility of the user of this standard to establish appro-
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priate safety and health practices and determine the applica- absorption of not more than 1.5 %. The fine aggregate shall
consist of crushed limestone and shall be manufactured from
bility of regulatory limitations prior to use.
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1.3 The values stated in SI units are to be regarded as the the same parent rock as the coarse aggregate. The portland
cement shall conform to ASTM Specification C 150, Type II.
standard. The values given in parentheses are provided for
information purposes only. The concrete shall have a water-cement ratio of 0.49, a cement
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factor of 335 6 30 kg/m (6.0 6 0.5 bags of cement per cubic
2. Referenced Documents 1 1
yard), and a slump of 63 6 13 mm (2 ⁄2 6 ⁄2 in.). The ratio of
2.1 ASTM Standards: fine aggregate to total aggregate shall be approximately 40 %
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C 33 Specification for Concrete Aggregates by solid volume.The air content shall be 5.0 6 0.5 % and shall
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C 150 Specification for Portland Cement be obtained by the addition to the batch of an air-entraining
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C 192/C 192M Practice For Making and Curing Concrete agent such as a neutralized thermoplastic resin. Prepare the
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Test Specimens in the Laboratory concrete in accordance with the procedure described in Test
E 171 Specification for Standard Atmospheres for Condi- Method C 192/C 192M.
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tioning and Testing Flexible Barrier Materials 5.1.1 Alternate Block Materials—As an alternate to the
materials specified in 5.1, the blocks may be prepared using a
3. Significance and Use
concrete mixture which meets local requirements for concrete
3.1 It is intended that this practice may be used by manu- pavements. Use the materials specified in 5.1 for all referee
facturers, users, and testing agencies. The use of this practice
testing.
establishes a uniform procedure for preparing concrete blocks 5.2 Block Preparation—Use a minimum 100 mm by 300
for the testing of sealants. It is not intended to establish test
mm by 75 mm (4 in. wide by 12 in. long by 3 in. deep) mold,
procedures or conditions of test which are associated with each madefrommetalorplasticandprovidedwithametalorplastic
of the joint sealants.
base plate. Provide means for securing the base plate to the
mold. Make the assembled mold and base plate water-tight and
oil with mineral oil before use. Fill the mold with concrete,
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This practice is under the jurisdiction of ASTM Committee D04 on Road and
prepared in accordance with 5.1 or 5.1.1, to overflowing and
Paving Materials and is the direct responsibility of Subcommittee D04.33 on
Formed-in-Place Sealants for Joints and Cracks in Pavements.
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Current edition approved July 10, 2003. Published September 2003. Originally Blocks made to this specification are available from USAE Laboratory,
approved in 1991. Last previous edition approved in 1997 as D 1985 – 91 (1997). Missouri River Division, 429 S18th Street, Omaha, NE 68101.
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Annual Book of ASTM Standards, Vol 04.02. Aggregate meeting this specification is available from Pete Lien & Sons Inc.,
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Annual Book of ASTM Standards, Vol 04.01. P.O. Box 440, Rapid City, SD.
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Annual Book of ASTM Standards, Vol 15.09. Vinsol resin, made by Hercules Inc., has been used satisfactorily.
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