ASTM-D6773 2008

$58.50

D6773-08 Standard Shear Test Method for Bulk Solids Using the Schulze Ring Shear Tester

Published By	Publication Date	Number of Pages
ASTM	2008	28

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Categories: 59.080.01 - Textiles in general, ASTM

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Description

ASTM D6773-08

Historical Standard: Standard Shear Test Method for Bulk Solids Using the Schulze Ring Shear Tester

ASTM D6773

Scope

1.1 This test method covers the apparatus and procedures for measuring the unconfined yield 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 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 may also be derived from this data. Another application is the measurement of the flowability of bulk solids, for example, for comparison of different products or optimization.

1.3 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

1.3.1 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.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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; effective angle of friction; effective yield locus; flow function; flowability; Jenike Shear Cell; internal friction angle; kinematic wall friction angle; powder; Schulze Ring Shear Tester; translational shear tester; unconfined yield strength; wall friction; Bulk solids; Effective angle of friction; Effective yield locus; Flow function; Internal friction testing; Jenike shear cell; Kinematic wall friction angle; Schulze ring shear tester; Translational shear tester; Unconfined yield strength; Wall friction

ICS Code

ICS Number Code 59.080.01 (Textiles in general)

DOI: 10.1520/D6773-08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use
3	Apparatus FIG. 1
4	FIG. 2
5	FIG. 3
6	Specimen Preparation Procedure FIG. 4
7	FIG. 5
8	FIG. 6 TABLE 1
9	FIG. 7
10	FIG. 8 TABLE 2
11	FIG. 9
12	FIG. 10
13	FIG. 11
14	FIG. 12
15	FIG. 13 FIG. 14
16	FIG. 15
17	FIG. 16
18	FIG. 17 FIG. 18
19	FIG. 19 FIG. 20
20	FIG. 21
21	Calculation and Interpretation of Results
22	FIG. 22
23	FIG. 23 FIG. 24
24	Test Data Sheet FIG. 25
25	Precision and Bias Keywords A1. LIST OF SYMBOLS
26	A2. SELECTION OF SAMPLE, SHEAR CELL, AND TEST APPLIED MASSESS A2.1 Sample Selection
27	A2.2 Shear Cell Selection A2.3 Equivalence Between Masses and Stresses REFERENCES

Additional information

Standard Title	D6773-08 Standard Shear Test Method for Bulk Solids Using the Schulze Ring Shear Tester
Published Code	ASTM
Publication Date	2008
Pages Count	28
ICS Codes	59.080.01 - Textiles in general