ASTM-D1560 › Standard Test Methods for Resistance to Deformation and Cohesion of Asphalt Mixtures by Means of Hveem Apparatus
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1.1 These test methods cover the determination of (1) the resistance to deformation of compacted asphalt mixtures by measuring the lateral pressure developed when applying a vertical load by means of the Hveem stabilometer and (2) the cohesion of compacted asphalt mixtures by measuring the force required to break or bend the sample as a cantilever beam by means of the Hveem cohesiometer.
1.2 The values stated in inch-pound units are to be regarded as standard, with the exception that the steel shot flow rate for the cohesiometer is expressed in g/min units. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 The 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.
1.4 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.
Significance and Use
3.1 The results of the deformation and cohesion tests can be used for specification purposes or for mix design purposes, or both. For example, these values can be used for specification compliance testing of aggregate properties. They can also be used for specification compliance testing of the mix. The cohesion test is sometimes used for fine mixes such as sand mixes wherein cohesion, or tensile strength, is of major or primary importance. The cohesion test is also sometimes used for the design of cold mixes containing emulsified asphalt.
Note 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Specification alone does not completely assure reliable results. Reliable results depend on many factors; following the suggestions of Specification or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
asphalt mixtures; cohesiometer; cohesion; deformation; Hveem; stabilometer;; ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)
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Revision with Title Change
Aug. 15, 2015