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ASTM D 6926 : 2020

Current
Current

The latest, up-to-date edition.

Standard Practice for Preparation of Asphalt Mixture Specimens Using Marshall Apparatus
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2020

1.1This practice covers preparation and compaction of 4 in. (101.6 mm) diameter by nominal 2.5 in. (63.5 mm) high cylindrical asphalt paving mixture specimens. This practice is intended for use with laboratory and plant-produced asphalt mixtures with aggregate up to 1 in. (25.4 mm) maximum size and for recompaction of asphalt paving mixture samples.

Note 1:Historically, 35, 50, and 75 blows per face has been practiced for this test.

Note 2:Manufacturers do not recommend applying an excessive number of blows per face of a sample. This practice has been known to cause fatigue and damage to machine components.

1.2There are three types of Marshall compaction apparatus in use. The following types of hammer arrangements are included in this practice:

1.2.1Manually held hammer handle (Type 1) is attached to a flat compaction foot through a spring-loaded swivel and is hand operated (see 5.3.1) (original standard developed by the United States Army Corps of Engineers).

1.2.2Hammer handle restrained laterally (fixed) but not vertically (Type 2), attached to a flat compaction foot through a spring-loaded swivel and is either mechanically or hand operated (see 5.3.2). There may or may not be a constant surcharge on top of the hammer handle. Mechanical hammers (Type 2) are available that operate at a range of 55 to 68 blows per minute.

1.2.3Hammer handle restrained laterally (fixed) with or without constant surcharge on top of hammer, is attached to a slanted compaction foot on a rotating mold base (Type 3), and is mechanically operated (see 5.3.3). This method must be used as a referee method.

1.3Although the mass and height of mass drop for each apparatus are the same, density achieved in compacted specimens with the same number of blows will be different. It is up to the owner or specifier to establish the specific required number of blows to be used for compaction of the specimen in relation to the field.

1.4Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5The 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.

1.6This 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.

Committee
D 04
DocumentType
Standard Practice
Pages
8
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM C 1688/C1688M : 2014 : REV A Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete (Withdrawn 2023)
ASTM D 6390 : 2011 : R2017 Standard Test Method for Determination of Draindown Characteristics in Uncompacted Asphalt Mixtures
ASTM D 7064/D7064M : 2008 : R2013 Standard Practice for Open-Graded Friction Course (OGFC) Mix Design
ASTM D 6927 : 2015 Standard Test Method for Marshall Stability and Flow of Asphalt Mixtures
ASTM D 7552 : 2009 : R2014 Standard Test Method for Determining the Complex Shear Modulus (G*) Of Bituminous Mixtures Using Dynamic Shear Rheometer
ASTM D 4867/D4867M : 2009 : R2014 Standard Test Method for Effect of Moisture on Asphalt Concrete Paving Mixtures
ASTM D 7870/D7870M : 2013 Standard Practice for Moisture Conditioning Compacted Asphalt Mixture Specimens by Using Hydrostatic Pore Pressure
ASTM D 5581 : 2007 : REV A : R2013 Standard Test Method for Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus (6 inch-Diameter Specimen)
ASTM D 3666 : 2016 Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials
ASTM C 1747/C1747M : 2013 Standard Test Method for Determining Potential Resistance to Degradation of Pervious Concrete by Impact and Abrasion (Withdrawn 2022)
ASTM D 6931 : 2017 Standard Test Method for Indirect Tensile (IDT) Strength of Asphalt Mixtures
ASTM D 979/D979M : 2015 Standard Practice for Sampling Bituminous Paving Mixtures

ASTM E 11 : 2020 Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
ASTM D 4402/D4402M : 2023 Standard Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer
ASTM D 6927 : 2022 Standard Test Method for Marshall Stability and Flow of Asphalt Mixtures
ASTM D 8 : 2022 : REV A Standard Terminology Relating to Materials for Roads and Pavements
ASTM E 2251 : 2014 : R2021 Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
ASTM E 11 : 2022 Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
ASTM E 77 : 2014 : EDT 1 Standard Test Method for Inspection and Verification of Thermometers
ASTM D 8 : 2022 Standard Terminology Relating to Materials for Roads and Pavements
ASTM D 4402/D4402M : 2015 Standard Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer
ASTM E 2251 : 2014 Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
ASTM D 8 : 2021 Standard Terminology Relating to Materials for Roads and Pavements
ASTM D 8 : 2019 Standard Terminology Relating to Materials for Roads and Pavements
ASTM E 1 : 2014 : R2020 Standard Specification for ASTM Liquid-in-Glass Thermometers
ASTM D 8 : 2020 : REV A Standard Terminology Relating to Materials for Roads and Pavements
ASTM D 4402/D4402M : 2015 : R2022 Standard Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer
ASTM E 77 : 1998 Standard Test Method for Inspection and Verification of Thermometers
ASTM E 77 : 2014 : R2021 Standard Test Method for Inspection and Verification of Thermometers
ASTM D 3666 : 2009 Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials

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