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ASTM D5801-95(2001)

(Test Method)

Standard Test Method for Toughness and Tenacity of Bituminous Materials

Standard Test Method for Toughness and Tenacity of Bituminous Materials

SCOPE
1.1 This test method describes the procedure for measuring the toughness and tenacity of bituminous materials. Typically, the test method has been used to characterize elastomer modified asphalts, although values for toughness and tenacity may be obtained for any type of polymer-modified or non-modified asphalt.  
1.2 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.  
1.3 The values given in SI units are to be regarded as the standard. The values given in inch-pound units in parentheses are for informational purposes only.

General Information

Status
Historical
Publication Date
09-Oct-1995
ICS
75.140 - Waxes, bituminous materials and other petroleum products
91.100.50 - Binders. Sealing materials
Technical Committee
D04 - Road and Paving Materials
Drafting Committee
D04.44 - Rheological Tests
Current Stage
Ref Project

Relations

Replaces
ASTM D5801-95 - Standard Test Method for Toughness and Tenacity of Bituminous Materials
Effective Date
10-Oct-1995
Replaced By
ASTM D5801-95(2006) - Standard Test Method for Toughness and Tenacity of Bituminous Materials
Effective Date
01-Dec-2006
Referred By
ASTM D7405-20 - Standard Test Method for Multiple Stress Creep and Recovery (MSCR) of Asphalt Binder Using a Dynamic Shear Rheometer
Effective Date
10-Oct-1995

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ASTM D5801-95(2001) - Standard Test Method for Toughness and Tenacity of Bituminous Materials
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Standards Content (Sample)


NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D 5801 – 95 (Reapproved 2001)
Standard Test Method for
Toughness and Tenacity of Bituminous Materials
This standard is issued under the fixed designation D 5801; 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 polymer used to modify the asphalt. It is defined as the work
required to stretch the material after the initial resistance is
1.1 This test method describes the procedure for measuring
overcome.
the toughness and tenacity of bituminous materials. Typically,
the test method has been used to characterize elastomer
4. Significance and Use
modified asphalts, although values for toughness and tenacity
4.1 This test method is useful in confirming that an asphalt
may be obtained for any type of polymer-modified or non-
cement has been modified with a material that provides a
modified asphalt.
significant elastomeric component. Elastomer modified as-
1.2 This standard does not purport to address all of the
phalts can be characterized by their ability to be stretched to a
safety concerns, if any, associated with its use. It is the
large elongation while at the same time resisting further
responsibility of the user of this standard to establish appro-
stretching. Toughness and tenacity are two parameters for
priate safety and health practices and determine the applica-
measuring this ability.
bility of regulatory limitations prior to use.
1.3 The values given in SI units are to be regarded as the
5. Apparatus
standard. The values given in inch-pound units in parentheses
5.1 Sample Container—A metal, cylindrical, flat bottom
are for informational purposes only.
container with a nominal inside diameter of 55 mm (2 ⁄8 in.)
2. Referenced Documents andadepthof35mm(1 ⁄8in.)shallbeusedtoholdthesample.
Containers known as tin boxes or seamless ointment boxes
2.1 ASTM Standards:
with a 3-oz capacity meet these requirements.
D 5 Test Method for Penetration of Bituminous Materials
3 5.2 Tension Head—The tension head shall consist of a
E 1 Specification for ASTM Thermometers
polished metal, hemispherical head with an 11 mm ( ⁄16 in.)
3. Summary of Test Method radius, which is integrally connected to a 6.4 mm ( ⁄4in.)
diameter stem approximately 33 mm (1 ⁄16 in.) long. The stem
3.1 Atension head of specified size and shape is pulled from
shall be threaded and fitted with a knurled lowering screw to
an asphalt sample at a rate of 50 cm/min (20 in./min). A
allow for accurate adjustment of the tension head height in the
continuous record of the force versus elongation curve is made
sample container. The stem of the tension head shall be fitted
and used to calculate the toughness and the tenacity of the
with a small pin to prevent twisting of the head while adjusting
sample. The test is run at room temperature (25 6 3°C [77 6
the height. Dimensions of the tension head are shown in Fig. 1.
5°F]), after the sample has been subjected to a specified
temperature history.
NOTE 1—Brass and stainless steel are acceptable metals for construct-
3.2 Toughness is defined in this procedure as the total work ing tension heads. Aluminum scratches easily and steel rusts, so these
metals should not be used.
required to completely separate the tension head from the
sample under the specified test conditions. Tenacity is a
5.3 Spider—The support for the tension head shall consist
measure of the increasing force as the sample is stretched past
of a cylindrical center section through which the stem of the
the initial peak, and may indicate the type and amount of
tension head may freely move parallel to the axis of the
cylinder. The inner wall of the cylinder shall be grooved to
receive the pin mounted on the stem of the tension head. The
This test method is under the jurisdiction of ASTM Committee D04 on Road
spider cylinder shall be fitted with three arms, equally spaced
and Paving Materials and is the direct responsibility of Subcommittee D04.44 on
at 120 degrees, extending from the center and notched to
Rheological Tests.
Current edition approved Oct. 10, 1995. Published December 1995. Originally
receive the lip of the sample container, thereby centering the
published as Proposal P 243 in April 1994.
spider and tension head in the sample container. Details of the
Annual Book of ASTM Standards, Vol 04.03.
3 spider construction are shown in Fig. 2.
Annual Book of ASTM Standards, Vol 14.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 5801
FIG. 1 Tension Head and Lowering Screw
5.4 Testing Machine—Any tensile tester capable of pulling 5.7 Thermometer—A calibrated thermometer having a
the tension head at a uniform rate of 50 cm/min (20 in./min), range as shown as follows and conforming to the requirements
and recording the force versus elongation curve, may be used. prescribed in Specification E 1.
The accuracy of the pull rate shall be 62 % or better. The
Temperature Range ASTM Thermometer Number
−8 to 32°C 63C
maximum load capacity shall be at least 45 kg (100 lb). If
18 to 89°F 63F
polymer modified asphalts are to be tested after aging in the
NOTE 2—In those cases where the samples are conditioned in the
thin film oven or the rolling thin film oven, higher load
standard penetration bath, the thermometer as prescribed for Test Method
capacities are needed.Amaximum load capacity of 90 kg (200
D 5 may be substituted in place of the above.
lb) is suggested.
5.4.1 The tensile tester must be equipped to hold the sample
6. Sample Preparation
container firmly in place while the tension head is pulled away.
6.1 Bring the sample to a temperature where it is sufficiently
The details of this sample holder will vary with the type of
fluid to pour, as described in the following paragraphs.
tester used. The tester must have a minimum effective pull
6.1.1 If the sample is at room temperature, place the sample
length of 61 cm (24 in.) after installing the sample holder.
in a loosely covered container in an oven at 163°C (325°F)
5.5 Water Bath—A bath capable of maintaining a tempera-
until the sample is at a uniform temperature and sufficiently
ture of 25 6 0.1°C (77 6 0.18°F) is required. The bath shall
fluid to pour. Take care to prevent local overheating of the
have a perforated shelf supported in a position not less than 50
sample.
mm (2 in.) from the bottom and not less than 100 mm (4 in.)
below the liquid level. 6.1.2 If the sample is a residual product from an emulsion
5.6 Oven—A gravity convection oven ca
...

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SIGNIFICANCE AND USE
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SCOPE
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SCOPE
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1.2 This test method is applicable to asphalts having ring-and-ball softening points of 85 °C [185 °F] or greater.  
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Standard Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Fluorescent UV, Water Spray, and Condensation Method)

SIGNIFICANCE AND USE
4.1 This weathering apparatus is used for comparing the weathering characteristics of bituminous materials against a control material for which the outdoor weathering characteristics are known. It is not possible to establish a precise correlation between accelerated and natural weathering because (1) there are geographical climatic variations, local weather variations, and variations in local pollutants, and (2) the relation between accelerated and natural weathering is material dependent. Acceleration factors differ between materials as well as between formulations of the same material. Guide G141 provides guidance regarding this issue.
Note 1: This practice can be used for other than bituminous materials, but the significance and use have not been evaluated.
SCOPE
1.1 This practice describes test conditions and procedures for fluorescent UV and condensation exposures conducted according to Practices G151 and G154 for bituminous roofing and waterproofing materials. (See Terminology G113.)  
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 non-conformance with the standard.  
1.3 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.  
1.4 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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