Standard Terminology Relating to Materials for Roads and Pavements

SCOPE
1.1 This standard incorporates generic terms and generic definitions of terms specifically associated with road and paving materials. These generic terms and definitions are used within the standards developed by Committee D04 on Road and Paving Materials.  
1.2 Only terms that appear in more than one standard under the jurisdiction of Committee D04 will be included in Terminology D8.  
1.3 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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Status
Historical
Publication Date
14-Jul-2017
Drafting Committee
Current Stage
Ref Project

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D8 − 17c
Standard Terminology Relating to
1
Materials for Roads and Pavements
This standard is issued under the fixed designation D8; 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.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This standard incorporates generic terms and generic
aggregate, n—a granular material used as a construction
definitions of terms specifically associated with road and
material, meeting the requirements of road and paving
paving materials. These generic terms and definitions are used
applications.
within the standards developed by Committee D04 on Road DISCUSSION—Examples of aggregate include sand, gravel, shell, slag,
and crushed stone. See coarse aggregate and fine aggregate for more
and Paving Materials.
information.
1.2 Only terms that appear in more than one standard under
air voids (Pa), n—the volume of air between the asphalt-
the jurisdiction of Committee D04 will be included in Termi-
coated aggregate particles throughout a compacted asphalt
nology D8.
mix, expressed as a percent of the total volume of the
1.3 This international standard was developed in accor-
sample.
dance with internationally recognized principles on standard-
DISCUSSION—A variable previously used for this term was Va.
ization established in the Decision on Principles for the
anionic emulsion, n—a type of emulsion such that a particular
Development of International Standards, Guides and Recom-
emulsifying agent establishes a predominance of negative
mendations issued by the World Trade Organization Technical
charges on the discontinuous phase.
Barriers to Trade (TBT) Committee.
API gravity, n—a function of specific gravity represented by
2. Referenced Documents
the equation in Test Method D3142/D3142M.
2
2.1 ASTM Standards: DISCUSSION—A specific gravity scale developed by the American
Petroleum Institute (API) used to compare how heavy or light a
D242/D242M Specification for Mineral Filler For Bitumi-
petroleum liquid is compared to water.
nous Paving Mixtures
D2026/D2026M Specification for Cutback Asphalt (Slow-
asphalt, n—A dark brown to black cement-like residuum
Curing Type)
obtained from the distillation of suitable crude oils.
DISCUSSION—The distillation processes may involve one or more of
D2027/D2027M Specification for Cutback Asphalt
the following: atmospheric distillation, vacuum distillation, steam
(Medium-Curing Type)
distillation. Further processing of distillation residuum may be needed
D2028/D2028M Specification for Cutback Asphalt (Rapid-
to yield a material whose physical properties are suitable for commer-
Curing Type)
cial applications. These additional processes can involve air oxidation,
D3142/D3142M Test Method for Specific Gravity, API
solvent stripping or blending of residua of different stiffness character-
Gravity, or Density of Cutback Asphalts by Hydrometer
istics. In Europe asphalt is called bitumen.
Method
asphalt binder, n—asphalt which may or may not contain an
D4124 Test Method for Separation of Asphalt into Four
asphalt modifier (see asphalt modifier).
Fractions
DISCUSSION—this term is often used in the Performance Graded
D4552 Practice for Classifying Hot-Mix Recycling Agents
Binder system.
D5505 Practice for Classifying Emulsified RecyclingAgents
asphalt cement, n—See asphalt
asphalt concrete, n—See asphalt mix.
1
This terminology is under the jurisdiction of ASTM Committee D04 on Road
asphalt mix (asphalt mixture), n—a mixture of asphalt
and Paving Materials and is the direct responsibility of Subcommittee D04.91 on
Terminology.
binder, emulsified asphalt, or cutback asphalt and aggre-
Current edition approved July 15, 2017. Published August 2017. Originally
gates. The mixture may also include other materials.
approved in 1912. Last previous edition approved in 2017 as D8 – 17b. DOI:
10.1520/D0008-17C.
asphalt pavement, n—a structure consisting of one or more
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
prepared layers of asphalt mix atop one or more supporting
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
layers of unbound, modified, or treated subgrade, subbase or
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. base materials.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D8 − 17c
asphalt-rubber, n—a blend of asphalt cement, reclaimed tire coarse aggregate, n—(1) aggregate predominantly retained on
rubber, and certain additives in which the rubber co
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D8 − 17b D8 − 17c
Standard Terminology Relating to
1
Materials for Roads and Pavements
This standard is issued under the fixed designation D8; 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
1.1 This standard incorporates generic terms and generic definitions of terms specifically associated with road and paving
materials. These generic terms and definitions are used within the standards developed by Committee D04 on Road and Paving
Materials.
1.2 Only terms that appear in more than one standard under the jurisdiction of Committee D04 will be included in Terminology
D8.
1.3 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D242/D242M Specification for Mineral Filler For Bituminous Paving Mixtures
D2026/D2026M Specification for Cutback Asphalt (Slow-Curing Type)
D2027/D2027M Specification for Cutback Asphalt (Medium-Curing Type)
D2028/D2028M Specification for Cutback Asphalt (Rapid-Curing Type)
D3142/D3142M Test Method for Specific Gravity, API Gravity, or Density of Cutback Asphalts by Hydrometer Method
D4124 Test Method for Separation of Asphalt into Four Fractions
D4552 Practice for Classifying Hot-Mix Recycling Agents
D5505 Practice for Classifying Emulsified Recycling Agents
3. Terminology
aggregate, n—a granular material used as a construction material, meeting the requirements of road and paving applications.
1
This terminology is under the jurisdiction of ASTM Committee D04 on Road and Paving Materials and is the direct responsibility of Subcommittee D04.91 on
Terminology.
Current edition approved June 15, 2017July 15, 2017. Published June 2017August 2017. Originally approved in 1912. Last previous edition approved in 2017 as D8 –
17a.17b. DOI: 10.1520/D0008-17B.10.1520/D0008-17C.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 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 the ASTM website.
DISCUSSION—
Examples of aggregate include sand, gravel, shell, slag, and crushed stone. See coarse aggregate and fine aggregate for more information.
air voids (Pa), n—the volume of air between the asphalt-coated aggregate particles throughout a compacted asphalt mix, expressed
as a percent of the total volume of the sample.
DISCUSSION—
A variable previously used for this term was Va.
anionic emulsion, n—a type of emulsion such that a particular emulsifying agent establishes a predominance of negative charges
on the discontinuous phase.
API gravity, n—a function of specific gravity represented by the equation in Test Method D3142/D3142M.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D8 − 17c
DISCUSSION—
A specific gravity scale developed by the American Petroleum Institute (API) used to compare how heavy or light a petroleum liquid is compared to
water.
asphalt, n—A dark brown to black cement-like residuum obtained from the distillation of suitable crude oils.
DISCUSSION—
The distillation processes may involve one or more of the following: atmospheric distillation, vacuum distillation, steam distillation. Further processing
of distillation residuum may be needed to yield a material whose physical properties are suitable for commercial applications. These additional
processes can involve air oxidation, solvent stripping or blending of residua of different stiffness characteristics. In Europe asphalt is called bitumen.
asphalt binder, n—asphalt which may or may not contain an asphalt modifier (see asphalt modifier).
DISCUSSION—
this term is often used in the Performance Graded Binder system.
asphalt cement, n—See asphalt
asphalt concrete, n—See asphalt mix.
asphalt mix (asphalt mixture), n—a mixture of asphalt binder, emulsified asphalt, or cutback asphalt and aggregates. The mixture
may also include other materials.
asphalt pavement, n—a structure consisting
...

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