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ASTM D7460-10

(Test Method)

Standard Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending (Withdrawn 2019)

Standard Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending (Withdrawn 2019)

SIGNIFICANCE AND USE
The laboratory fatigue life determined by this standard for beam specimens have been used to estimate the fatigue life of asphalt concrete pavement layers under repeated traffic loading. Although the field performance of asphalt concrete is impacted by many factors (traffic variation, speed, and wander; climate variation; rest periods between loads; aging; etc.), it has been more accurately predicted when laboratory properties are known along with an estimate of the strain level induced at the layer depth by the traffic wheel load traveling over the pavement.
Note 1—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 assure 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 provides procedures for determining a unique failure point for estimating the fatigue life of 380 mm (14.96 in.) long by 50 mm (1.97 in.) thick by 63 mm (2.48 in.) wide asphalt concrete beam specimens sawed from laboratory or field compacted asphalt concrete, which are subjected to repeated flexural bending.
1.2 The between-laboratory reproducibility of this test method is being determined and will be available on or before June 2013. Therefore, this test method should not be used for acceptance or rejection of a material for purchasing purposes.
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 Units—The values stated in SI units are to be regarded as standard. Other units of measurement included in this standard are for information only.
1.5 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.
WITHDRAWN RATIONALE
This test method provided procedures for determining a unique failure point for estimating the fatigue life of 380 mm (14.96 in.) long by 50 mm (1.97 in.) thick by 63 mm (2.48 in.) wide asphalt concrete beam specimens sawed from laboratory or field compacted asphalt concrete, which are subjected to repeated flexural bending.
Formerly under the jurisdiction of Committee D04 on Road and Paving Materials, this test method was withdrawn in June 2019 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

General Information

Status
Withdrawn
Publication Date
31-May-2010
Withdrawal Date
25-Jun-2019
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D04 - Road and Paving Materials
Drafting Committee
D04.26 - Fundamental/Mechanistic Tests
Current Stage
Ref Project

Relations

Referred By
ASTM D8079-16 - Standard Practice for Preparation of Compacted Slab Asphalt Mix Samples Using a Segmented Rolling Compactor
Effective Date
01-Jun-2010

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ASTM D7460-10 - Standard Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending (Withdrawn 2019)ASTM D7460-10 - Standard Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending (Withdrawn 2019)
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ASTM D7460-10 - Standard Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending (Withdrawn 2019)
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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: D7460 − 10
Standard Test Method for
Determining Fatigue Failure of Compacted Asphalt Concrete
1
Subjected to Repeated Flexural Bending
This standard is issued under the fixed designation D7460; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3203Test Method for Percent Air Voids in Compacted
Dense and Open Bituminous Paving Mixtures
1.1 This test method provides procedures for determining a
D3549Test Method for Thickness or Height of Compacted
unique failure point for estimating the fatigue life of 380 mm
Bituminous Paving Mixture Specimens
(14.96 in.) long by 50 mm (1.97 in.) thick by 63 mm (2.48 in.)
D3666Specification for Minimum Requirements for Agen-
wide asphalt concrete beam specimens sawed from laboratory
cies Testing and Inspecting Road and Paving Materials
or field compacted asphalt concrete, which are subjected to
D5361Practice for Sampling Compacted Bituminous Mix-
repeated flexural bending.
tures for Laboratory Testing
1.2 The between-laboratory reproducibility of this test
E29Practice for Using Significant Digits in Test Data to
method is being determined and will be available on or before
Determine Conformance with Specifications
June 2013. Therefore, this test method should not be used for 3
2.2 AASHTO Standards:
acceptance or rejection of a material for purchasing purposes.
T 321Standard Method of Test for Determining the Fatigue
1.3 The text of this standard references notes and footnotes Life of Compacted Hot-MixAsphalt (HMA) Subjected to
Repeated Flexural Bending
which provide explanatory material.These notes and footnotes
(excluding those in tables and figures) shall not be considered PP 3Preparing Hot-Mix Asphalt (HMA) Specimens by
Means of the Rolling Wheel Compactor
as requirements of the standard.
R30StandardPracticeforMixtureConditioningofHot-Mix
1.4 Units—The values stated in SI units are to be regarded
Asphalt (HMA)
as standard. Other units of measurement included in this
standard are for information only.
3. Terminology
1.5 This standard does not purport to address all of the
3.1 Definitions:
safety concerns, if any, associated with its use. It is the
3.1.1 beam modulus—Flexural Beam Stiffness, as deter-
responsibility of the user of this standard to establish appro-
mined in 10.1.3.
priate safety and health practices and determine the applica-
3.1.2 failure point—the number of cycles to failure, N,
f
bility of regulatory limitations prior to use.
which corresponds to the maximum or peak Normalized
Modulus × Cycles (Fig. 13) when plotted versus Number of
2. Referenced Documents
Cycles.
2
2.1 ASTM Standards:
3.1.3 initial beam modulus—Flexural Beam Stiffness deter-
D75Practice for Sampling Aggregates
mined at approximately 50 load cycles.
D140Practice for Sampling Bituminous Materials
3.1.4 normalized modulus × cycles—see Rowe and Bouldin
D979Practice for Sampling Bituminous Paving Mixtures
4
(1):
D2041Test Method for Theoretical Maximum Specific
Gravity and Density of Bituminous Paving Mixtures
BeamStiffness 3CycleNumber
~ !
~InitialBeamModulus 3CycleofInitialBeamModulus!
4. Summary of Test Method
1
This test method is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.26 on
4.1 The four-point flexural bending test method is con-
Fundamental/Mechanistic Tests.
ducted on compacted beam specimens to evaluate the fatigue
CurrenteditionapprovedJune1,2010.PublishedJuly2010.Originallyapproved
in 2008. Last previous edition approved in 2008 as D7640–08. DOI: 10.1520/
3
D7460-10. Available from American Association of State Highway and Transportation
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM http://www.transportation.org.
4
Standards volume information, refer to the standard’s Document Summary page on Theboldfacenumbersinparenthesesrefertothelistofreferencesattheendof
the ASTM website. this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7460 − 10
properties of an asphalt concrete mixture. A cyclic haversine Table1.Thisstandardspecificallydescribesthesystemsoftwo
(displaced sine wave with full amplitude on tension side of primary suppliers (Cox and Sons, Inc. [Cox] and Industrial
zero) displacement is applied at the central H-frame third Process Controls, Ltd. [IPC]); however,
...

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ASTM D3549/D3549M-18(2023)(Test Method)
Standard Test Method for Thickness or Height of Compacted Asphalt Mixture Specimens

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4.1 The thickness of a compacted asphalt mixture is often used as a construction check to ensure that the proper quantity of materials has been placed on a project, and to correct strength measurement on constant diameter specimens with varying heights.
Note 1: The text of this test method 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 test method.
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1.1 This test method covers determination of the thickness (or height) of compacted asphalt mixture specimens.  
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ASTM D8138-23(Specification)
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ASTM D8188-23(Test Method)
Standard Test Method for Determination of Density and Relative Density of Asphalt, Semi-Solid Bituminous Materials, and Soft-Tar Pitch by Use of a Digital Density Meter (U-Tube)

SIGNIFICANCE AND USE
5.1 Values of density are used for converting volumes to units of mass and for correcting measured volumes at the measured temperature to a standard temperature using Practice D4311/D4311M.
Note 2: 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.
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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.  
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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.  
1.7 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.  
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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.  
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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.  
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ASTM D2171/D2171M-22(Test Method)
Standard Test Method for Viscosity of Asphalts by Vacuum Capillary Viscometer

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5.1 The viscosity at 60 °C [140 °F] characterizes flow behavior and may be used for specification requirements for cutback asphalt and asphalt binders.
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.
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1.1 This test method covers procedures for the determination of the apparent viscosity of asphalt binder by vacuum capillary viscometers at 60 °C [140 °F]. It is applicable to materials having viscosities in the range from 0.0036 to over 20 000 Pa·s [0.036 to over 200 000 P].  
Note 1: This test method is suitable for use at other temperatures, but the precision is based on determinations on asphalt binders at 60 °C [140 °F].
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1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
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ASTM
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.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.5 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.6 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 ...

  • Standard
    11 pages
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  • Standard
    11 pages
    English language
    sale 15% off