ASTM D3628-06
(Practice)Standard Practice for Selection and Use of Emulsified Asphalts
Standard Practice for Selection and Use of Emulsified Asphalts
SCOPE
1.1 This practice covers the selection of emulsified asphalts for various paving and allied uses.
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.
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Designation: D 3628 – 06
Standard Practice for
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Selection and Use of Emulsified Asphalts
This standard is issued under the fixed designation D 3628; 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 object of obtaining a bituminous mix with a controlled void
content and high stability.
1.1 This practice covers the selection of emulsified asphalts
3.1.6 dust binder—a light application of bituminous mate-
for various paving and allied uses.
rial for the express purpose of laying and bonding loose dust.
1.2 This standard does not purport to address all of the
3.1.7 fog seal—a light spray application of asphalt to an
safety concerns, if any, associated with its use. It is the
existing pavement as a seal to inhibit raveling, or seal the
responsibility of the user of this standard to establish appro-
surface, or both.
priate safety and health practices and determine the applica-
3.1.8 graded aggregate seal, n—a single surface treatment
bility of regulatory limitations prior to use.
in which the aggregate is graded with little or no mineral filler,
2. Referenced Documents typically with a nominal maximum size of about 19 mm, and
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containing sufficient sand that the bituminous material will be
2.1 ASTM Standards:
required to penetrate upward into the aggregate cover; the
D8 Terminology Relating to Materials for Roads and Pave-
nominal maximum aggregate size may vary depending on the
ments
course thickness desired and aggregate availability. It is an
D 977 Specification for Emulsified Asphalt
application method used in lieu of a chip seal to provide a
D 2397 Specification for Cationic Emulsified Asphalt
lower cost road.
D 3515 Specification for Hot-Mixed, Hot-Laid Bituminous
3.1.8.1 Discussion—In this case, nominal maximum size
Paving Mixtures
refers to the definition in TerminologyD8.
3. Terminology
3.1.9 maintenance mix—a mixture of bituminous material
and mineral aggregate applied at ambient temperature for use
3.1 Definitions:
in patching holes, depressions, and distress areas in existing
3.1.1 bituminous-aggregate applications—applications of
pavements, using appropriate hand or mechanical methods in
bituminous material to a prepared aggregate base or pavement
placing and compacting the mix.These mixes may be designed
surface followed by the application of aggregate.
for immediate use or for use out of a stockpile at a later date
3.1.2 bituminous-aggregate mixtures—a combination of bi-
without further processing.
tuminous material and aggregate that is physically mixed by
3.1.10 mixed-in-place—the procedures by which the bitu-
mechanical means, spread on the job site, and compacted.
minous material and mineral aggregrate are mixed on the job
3.1.3 bituminous applications—the application of sprayed
site by means of travel plants, blade mixing, or other special
bituminous coatings not involving the use of aggregates.
road-mixing equipment.
3.1.4 crack filler—the bituminous material used to fill and
3.1.11 mulch treatment—a spray application of bituminous
seal cracks in existing pavements.
material used to temporarily stabilize a recently seeded area.
3.1.5 dense-graded aggregate—aggregate that is graded
The bituminous material can be applied to the soil or to a straw
from the maximum size, down to and including filler, with the
or hay mulch as a tie-down.
3.1.12 multiple surface treatment—two or more single sur-
face treatments placed one on the other. The maximum
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This practice is under the jurisdiction of ASTM Committee D04 on Road and
aggregate size of each successive treatment is usually one half
Paving Materials and is the direct responsibility of Subcommitee D04.41 on
that of the previous one, and the total thickness is about the
Emulsified Asphalt Specifications.
same as the nominal maximum size aggregate particles of the
Current edition approved June 1, 2006. Published June 2006. Originally
approved in 1978. Last previous edition approved in 2001 as D 3628 – 01.
first course.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.1.13 open-graded aggregate—aggregate containing little
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
or no mineral filler and in which the void spaces in the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. compacted aggregate are relatively large.
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D3628–06
3.1.14 pavement bases and surfaces—the lower or und
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