ASTM-D6128:2006 Edition

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D6128-06 Standard Test Method for Shear Testing of Bulk Solids Using the Jenike Shear Cell

Published By	Publication Date	Number of Pages
ASTM	2006	20

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Category: ASTM

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Description

ASTM D6128-06

Historical Standard: Standard Test Method for Shear Testing of Bulk Solids Using the Jenike Shear Cell

ASTM D6128

Scope

1.1 This method covers the apparatus and procedures for measuring the cohesive strength of bulk solids during both continuous flow and after storage at rest. In addition, measurements of internal friction, bulk density, and wall friction on various wall surfaces are included.

1.2 This standard is not applicable to testing bulk solids that do not reach the steady state requirement within the travel limit of the shear cell. It is impossible to classify ahead of time which bulk solids cannot be tested, but one example may be those consisting of highly elastic particles.

1.3 The values stated in SI units are to be regarded as standard.

1.4 The most common use of this information is in the design of storage bins and hoppers to prevent flow stoppages due to arching and ratholing, including the slope and smoothness of hopper walls to provide mass flow. Parameters for structural design of such equipment also may be derived from this data.

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.

Keywords

bulk solid; cohesive strength; effective angle of friction; effective yield locus; flow function; internal friction angle; Jenike shear cell; kinematic wall friction angle; powder; translational shear tester; unconfined yield strength; wall friction

ICS Code

ICS Number Code 19.060 (Mechanical testing)

DOI: 10.1520/D6128-06

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Apparatus
3	FIG. 1 FIG. 2
4	Specimen Preparation FIG. 3
5	FIG. 4 FIG. 5
6	FIG. 6 FIG. 7 FIG. 8
7	Procedure FIG. 9
8	FIG. 10
9	FIG. 11
10	FIG. 12 FIG. 13 FIG. 14
11	FIG. 15
13	Calculation or Interpretation of Results FIG. 16
14	FIG. 17
15	Report Precision and Bias Keywords FIG. 18 FIG. 19
16	A1. List of Symbols A2. Selection of Sample, Shear Cell, and Test Weights A2.1 Sample Selection
17	A2.2 Shear Cell Selection A2.3 Equivalence Between Weights and Stresses
18	A3. Optimization Procedure A3.1 A3.2 A3.3 A3.4 A3.5 A3.6 A3.7 A3.8 A3.9 FIG. A3.1
19	A3.10 A3.11 A3.12 A3.13 A3.14 A3.15 References

Additional information

Standard Title	D6128-06 Standard Test Method for Shear Testing of Bulk Solids Using the Jenike Shear Cell
Published Code	ASTM
Publication Date	2006
Pages Count	20