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ASTM D5249-10(2021)

(Specification)

Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt Joints

Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt Joints

ABSTRACT
This specification covers backer material, either in rod or strip form, for use with cold- and hot-applied joint sealant in portland-cement concrete or asphalt-pavement joints. Sealant backer material is available in three types: Type I, Type II, and Type III, and serves one or more of the following purposes: (1) limits the amount and depth of sealant applied to a joint, (2) acts as a barrier interface to prevent backside adhesion (bondbreaker), and (3) provides a form to assist the sealant in developing a shape factor. The material shall be easily compressed and installed in the joint reservoir and shall be heat resistant when used with hot-applied sealants. Physical properties of the material shall conform to the specified requirements for (1) density, (2) tensile strength, (3) water absorption, (3) compression deflection force, (4) compression recovery, (5) heat resistance, and (6) maximum shrinkage. The test specimen, test procedure, apparatus, and calculations for the physical properties enumerated are detailed.
SCOPE
1.1 This specification covers backer material for cold- and hot-applied joint sealant for use in portland cement concrete or asphalt pavement joints.  
1.2 This specification establishes basic requirements for sealant backer material, either in rod or strip form, that can withstand the temperature of hot- or cold-applied sealants without excessive deformation.  
1.3 Sealant backer material serves one or more of the following purposes:  
1.3.1 Limits the amount and depth of sealant applied to a joint,  
1.3.2 Acts as a barrier interface to prevent backside adhesion (bond breaker), and  
1.3.3 Provides a form to assist the sealant in developing a shape factor.  
1.4 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information purposes only.  
1.5 The following safety hazards caveat pertains only to the test methods described in this specification. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 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.

General Information

Status
Published
Publication Date
30-Apr-2021
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D04 - Road and Paving Materials
Drafting Committee
D04.33 - Formed In-Place Sealants for Joints and Cracks in Pavements
Current Stage
Ref Project

Relations

Refers
ASTM D1622-20 - Standard Test Method for Apparent Density of Rigid Cellular Plastics
Effective Date
15-Jul-2020

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ASTM D5249-10(2021) - Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt JointsASTM D5249-10(2021) - Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt Joints
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ASTM D5249-10(2021) - Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt Joints
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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.
Designation:D5249 −10 (Reapproved 2021)
Standard Specification for
Backer Material for Use with Cold- and Hot-Applied Joint
1
Sealants in Portland Cement Concrete and Asphalt Joints
This standard is issued under the fixed designation D5249; 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 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This specification covers backer material for cold- and
C670 Practice for Preparing Precision and Bias Statements
hot-applied joint sealant for use in portland cement concrete or
for Test Methods for Construction Materials
asphalt pavement joints.
C1016 Test Method for Determination of Water Absorption
1.2 This specification establishes basic requirements for
of Sealant Backing (Joint Filler) Material
sealant backer material, either in rod or strip form, that can
C1253 Test Method for Determining the Outgassing Poten-
withstand the temperature of hot- or cold-applied sealants
tial of Sealant Backing
without excessive deformation.
D545 Test Methods for Preformed Expansion Joint Fillers
for Concrete Construction (Nonextruding and Resilient
1.3 Sealant backer material serves one or more of the
Types)
following purposes:
D1622 Test Method for Apparent Density of Rigid Cellular
1.3.1 Limits the amount and depth of sealant applied to a
Plastics
joint,
D1623 Test Method for Tensile and Tensile Adhesion Prop-
1.3.2 Acts as a barrier interface to prevent backside adhe-
erties of Rigid Cellular Plastics
sion (bond breaker), and
D5535 Terminology Relating to Formed-in-Place Sealants
3
1.3.3 Provides a form to assist the sealant in developing a
for Joints and Cracks in Pavements (Withdrawn 2009)
shape factor. E1 Specification for ASTM Liquid-in-Glass Thermometers
E220 Test Method for Calibration of Thermocouples By
1.4 The values stated in inch-pound units are to be regarded
Comparison Techniques
as the standard. The values in parentheses are for information
purposes only.
3. Terminology
1.5 The following safety hazards caveat pertains only to the
3.1 For definitions, refer to Terminology D5535.
test methods described in this specification. This standard does
not purport to address all of the safety concerns, if any, 4. Classification
associated with its use. It is the responsibility of the user of this
4.1 Sealant backer material is available in three types:
standard to establish appropriate safety, health, and environ-
4.1.1 Type 1, shall be round rods of various diameters
mental practices and determine the applicability of regulatory
intended for use with cold- and hot-applied sealants.
limitations prior to use.
4.1.2 Type 2, shall be sheets or strips of various thicknesses,
1.6 This international standard was developed in accor-
laminated or skived by the manufacturer but capable of being
dance with internationally recognized principles on standard-
field laminated and used with cold- and hot-applied sealants.
ization established in the Decision on Principles for the
4.1.3 Type 3, shall be round rods of various diameters
Development of International Standards, Guides and Recom-
limited for use with cold-applied sealants.
mendations issued by the World Trade Organization Technical
4.2 Type 1 and Type 3 rod materials are intended for use
Barriers to Trade (TBT) Committee.
primarily where there is a reservoir, either already existing or
1 2
This specification is under the jurisdiction of ASTM Committee D04 on Road For referenced ASTM standards, visit the ASTM website, www.astm.org, or
and Paving Materials and is the direct responsibility of Subcommittee D04.33 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Formed In-Place Sealants for Joints and Cracks in Pavements. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved May 1, 2021. Published May 2021. Originally the ASTM website.
3
approved in 1992. Last previous edition approved in 2016 as D5249 – 10 (2016). The last approved version of this historical standard is referenced on
DOI: 10.1520/D5249-10R21. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5249−10 (2021)
formed, such as a contraction joint, where the rod will limit the where:
sealant depth and prevent the sealant from bonding to the
WA = water absorption by volume, %,
bottom of the joint res
...

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4.1 Specimen dry weight is a critical measure in determination of accurate density and many other tests in the construction and raw materials industries. Drying specimens at room temperature is required for some tests and provides an advantage for other tests to ensure the integrity and to preserve the characteristics of specimens.  
4.2 This practice covers drying compacted asphalt mixture specimens in a vacuum chamber that is capable of keeping the specimen at close to room temperature. A vacuum pump reduces the pressure inside the chamber, thus allowing water to evaporate at low temperature. Since the specimen naturally cools during the evaporation process, making water harder to evaporate, it is important to have proper temperature controls in the chamber to ensure the specimen remains at close to room temperature. Automatic controls within the unit allow the specimen to remain at close to room temperature by periodically allowing a flow of warm and dry air, typically generated by an inline air heater, to enter the vacuum chamber. Cycling between vacuum and airflow conditions allows the specimen to dry in a short period of time. Completely saturated specimens with over 30 g [0.07 lb] of retained water can be dried in about 30 min. For most field cores that are not completely saturated, the drying time is generally less than 15 min.
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1.1 This practice covers the process of drying compacted asphalt mixture specimens using vacuum drying apparatus.  
1.2 The specimens dried by this practice remain at room temperature, which helps in maintaining specimen integrity during the drying process.  
1.3 This practice can be used for compacted cylindrical and cubical laboratory and field asphalt mixture specimens.  
1.4 This practice can also be used for drying other construction materials such as concrete, soils, aggregates, and loose asphalt mixtures. Use the manufacturer’s recommendations for drying other construction materials.  
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1.6 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
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ASTM D2170/D2170M-22(Test Method)
Standard Test Method for Kinematic Viscosity of Asphalts

SIGNIFICANCE AND USE
5.1 The kinematic viscosity characterizes flow behavior. The method is used to determine the consistency of liquid asphalt as one element in establishing the uniformity of shipments or sources of supply. The specifications are usually at temperatures of 60 and 135 °C.
Note 3: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 This test method covers procedures for the determination of kinematic viscosity of liquid asphalts, road oils, and distillation residues of liquid asphalts all at 60 °C [140 °F] and of liquid asphalt binders at 135 °C [275 °F] (see table notes, 11.1) in the range from 6 to 100 000 mm2/s [cSt].  
1.2 Results of this test method can be used to calculate viscosity when the density of the test material at the test temperature is known or can be determined. See Annex A1 for the method of calculation.  
Note 1: This test method is suitable for use at other temperatures and at lower kinematic viscosities, but the precision is based on determinations on liquid asphalts and road oils at 60 °C [140 °F] and on asphalt binders at 135 °C [275 °F] only in the viscosity range from 30 to 6000 mm2/s [cSt].
Note 2: Modified asphalt binders or asphalt binders that have been conditioned or recovered are typically non-Newtonian under the conditions of this test. The viscosity determined from this method is under the assumption that asphalt binders behave as Newtonian fluids under the conditions of this test. When the flow is non-Newtonian in a capillary tube, the shear rate determined by this method may be invalid. The presence of non-Newtonian behavior for the test conditions can be verified by measuring the viscosity with viscometers having different-sized capillary tubes. The defined precision limits in 11.1 may not be applicable to non-Newtonian asphalt binders.  
1.3 Warning—Mercury has been designated by the United States Environmental Protection Agency (EPA) and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) for details and the EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury, mercury-containing products, or both, in your state may be prohibited by state law.  
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ASTM D3289-17(2022)(Test Method)
Standard Test Method for Density of Semi-Solid and Solid Asphalt Materials (Nickel Crucible Method)

SIGNIFICANCE AND USE
5.1 Values of density are used for converting volumes to units of mass, and for correcting measured volumes from the temperature of measurement to a standard temperature using Practice D4311/D4311M.
SCOPE
1.1 This test method covers the determination of the density of semi-solid and solid asphalt materials by weighing in air and in water.
Note 1: An alternate method for determining the density of semi-solid and solid asphalt materials is Test Method D70/D70M. For materials which are too fluid for use of this method, use Test Method D3142/D3142M.  
1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
1.3 Warning— Mercury has been designated by the United States Environmental Protection Agency (EPA) and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury or its vapor may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for details and EPA’s website—www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury, mercury-containing products, or both, in your state may be prohibited by state law.  
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ASTM
ASTM D1461-17(2022)(Test Method)
Standard Test Method for Moisture or Volatile Distillates in Asphalt Mixtures

SIGNIFICANCE AND USE
3.1 This test method is used for determining either the amount of moisture or the amount of volatile petroleum distillates in asphalt mixtures.  
3.2 Applicable standards are those in which measurements or calibrations are made, samples are procured, or products are selected.3
SCOPE
1.1 This test method covers the determination, by direct measurement, of moisture or volatile fractions of the asphalt in asphalt mixtures.  
1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 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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