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This test method is applied to the measurement of the mechanical properties of powders as a function of normal stress.
Formerly under the jurisdiction of Committee D18 on Soil and Rock, this standard was withdrawn in July 2017 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
1.1 This test method is applied to the measurement of the mechanical properties of powders as a function of normal stress.
1.2 This apparatus is suitable measuring the properties of powders and other bulk solids, up to a particle size of 5000 micron.
1.3 This method comprises four different test procedures for the determination of powder mechanical properties:
1.3.1 Test A—Measurement of INTERNAL FRICTION as a function of normal stress.
1.3.2 Test B—Measurement of WALL FRICTION as a function of normal stress.
1.3.3 Test C—Measurement of BULK DENSITY as a function of normal stress and time.
1.3.4 Test D—Measurement of DEGRADATION as a function of normal stress.
1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026
1.4.1 The procedures used to specify how data are collected/recorded or calculated in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives, and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D653 Terminology Relating to Soil, Rock, and Contained Fluids
D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
D6026 Practice for Using Significant Digits in Geotechnical Data
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ASTM D6682-08, Standard Test Method for Measuring Shear Stresses of Powders Using Peschl Rotational Split Level Shear Tester (Withdrawn 2017), ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top