Standard Test Method for Adhesion of Mineral Aggregate to Hot Bitumen

SIGNIFICANCE AND USE
The quantities of mineral aggregate adhered to the surface of a roof vary with the characteristics and total amount of the aggregate. Mineral aggregate shields bituminous membranes from solar radiation. Unadhered mineral aggregate can be displaced by wind, water, and traffic, exposing the bitumen.
This test method provides a laboratory means of determining and recording the mass of aggregate that adheres to a bituminous pour coat.
SCOPE
1.1 This test method determines the adhesion of mineral aggregate when applied over a pour coat of hot bitumen on a roof membrane.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.

General Information

Status
Historical
Publication Date
30-Apr-2005
Current Stage
Ref Project

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ASTM D5100-95a(2005) - Standard Test Method for Adhesion of Mineral Aggregate to Hot Bitumen
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D5100–95a (Reapproved 2005)
Standard Test Method for
Adhesion of Mineral Aggregate to Hot Bitumen
This standard is issued under the fixed designation D5100; 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 allowed to cool, the loose aggregate is removed and weighed,
and the mass of adhered aggregate is calculated and reported.
1.1 This test method determines the adhesion of mineral
aggregate when applied over a pour coat of hot bitumen on a
5. Significance and Use
roof membrane.
5.1 The quantities of mineral aggregate adhered to the
1.2 The values stated in SI units are to be regarded as the
surface of a roof vary with the characteristics and total amount
standard. The values given in parentheses are for information
of the aggregate. Mineral aggregate shields bituminous mem-
only.
branes from solar radiation. Unadhered mineral aggregate can
1.3 This standard does not purport to address all of the
be displaced by wind, water, and traffic, exposing the bitumen.
safety concerns, if any, associated with its use. It is the
5.2 This test method provides a laboratory means of deter-
responsibility of the user of this standard to establish appro-
mining and recording the mass of aggregate that adheres to a
priate safety and health practices and determine the applica-
bituminous pour coat.
bility of regulatory limitations prior to use.
6. Apparatus
2. Referenced Documents
6.1 Steel Tray, measuring 143 mm (5 ⁄8 in.) 6 1% square
2.1 ASTM Standards:
by 13 mm (0.5 in.) 6 10% in height.
D226 SpecificationforAsphalt-SaturatedOrganicFeltUsed
6.2 Scales, for weighing bitumen and mineral aggregate,
in Roofing and Waterproofing
balance 1.00-kg (2.2-lb) capacity, sensitive to 0.01% of the
D312 Specification for Asphalt Used in Roofing
capacity.
D450 Specification for Coal-Tar Pitch Used in Roofing,
6.3 Containers, for hot bitumen and mineral aggregate (1-L
Dampproofing, and Waterproofing
(1-qt) capacity).
D1079 TerminologyRelatingtoRoofingandWaterproofing
7. Procedure
3. Terminology
7.1 Cut a piece of saturated felt to just cover the bottom of
3.1 Definitions—For definitions of terms used in this test
the steel tray; the saturated felt shall beType 1 complying with
method, see Terminology D1079.
Specification D226.
4. Summary of Test Method 7.2 Attach the saturated felt to the inside of the tray with a
thin film of a release agent such as silicone stopcock grease or
4.1 Asmallsectionofroofsurfaceisfabricatedwithroofing
petroleum jelly. Lightly grease the insides of the sides of the
felt or membrane using measured amounts of a bituminous
tray with the same material.
pour coat and mineral aggregate surfacing. The assembly is
7.3 Weigh out 400 g (0.88 lb) of gravel, chert, or trap rock,
or 300 g (0.66 lb) of slag mineral aggregate surfacing 61%.
Record this mass as A. This is equivalent to 19.5 kg/m (400
ThistestmethodisunderthejurisdictionofASTMCommitteeD08onRoofing
2 2 2
and Waterproofing and is the direct responsibility of Subcommittee D08.03 on lb/100 ft ) and 14.6 kg/m (300 lb/100 ft ), respectively.
Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up
7.4 Apply top pour coat of bitumen uniformly according to
Roofing.
quantities and temperatures listed in Table 1.
Current edition approved May 1, 2005. Published May 2005. Originally
7.5 Immediately apply mineral aggregate into hot bitumen
approved in 1990. Last previous edition approved in 2004 as D5100–95a (2004).
DOI: 10.1520/D5100-9
...

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