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Description of ASTM-D5148 2010ASTM D5148 - 10Standard Test Method for Centrifuge Kerosine EquivalentActive Standard ASTM D5148 | Developed by Subcommittee: D04.51 Book of Standards Volume: 04.03 ASTM D5148Significance and Use
The CKE furnishes an index, designated as the K factor, that indicates the aggregate particle roughness and surface capacity based on porosity. The CKE is used as part of the Hveem mix design procedure to determine the approximate bitumen ratio (ABR), as shown in Appendix X1. However, there are other applications such as determining the coarse aggregate fraction constant ( K c ) for use as an aid in selecting a bitumen content for open-graded friction courses. Note 2The quality of the results produced by this standard are dependant upon the competence of the personnel performing the procedure and the capability, calibration, and the maintenance of the equipment used. Agencies that meet the criteria of Standard Practice are generally considered capable of competent and objective testing / sampling / inspection / etc. Users of this standard are cautioned that compliance with alone does not completely assure reliable results. Reliable results depend on many factors: following the suggestions of or similar acceptable guideline provides a means of evaluating and controlling some of those factors. 1. Scope
1.1 This test method determines the centrifuge kerosine equivalent (CKE) of aggregate used in bituminous mixtures. 1.2 Units of Measure : 1.2.1 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. An exception is made in the values used for mass because this standard was originally developed using even values of grams, and use of ounces as a standard would make those measures cumbersome. 1.2.2 Regarding sieves, per ASTM Specification E11 Section 1.2, the values stated in SI units shall be considered standard for the dimensions of the wire cloth openings and the diameter of the wires used in the wire cloth. The values stated in inchpound units shall be considered standard with regard to the sieve frames. When sieve mesh sizes are referenced, the alternate inch-pound designations are provided for information purposes and enclosed in parentheses. 1.3 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. For specific hazard statements, see 7.1. ASTM Standards C127 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate C128 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate C702 Practice for Reducing Samples of Aggregate to Testing Size D75 Practice for Sampling Aggregates D3666 Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials D4753 Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves E832 Specification for Laboratory Filter Papers Keywords aggregates; bitumin content; centrifuge kerosine equivalent; surface roughness; k factor; Surface roughness measurement; Bituminous materials/applications; Centrifuge kerosine equivalent; Coarse aggregate; Fine aggregate; Kerosine; ICS Code ICS Number Code 75.160.20 (Liquid fuels) DOI: 10.1520/D5148-10 ASTM International is a member of CrossRef. ASTM D5148This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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