Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D2168-02a

Standard Test Methods for Calibration of Laboratory Mechanical-Rammer Soil Compactors

Standard Test Methods for Calibration of Laboratory Mechanical-Rammer Soil Compactors D2168-02A ASTM|D2168-02A|en-US Standard Test Methods for Calibration of Laboratory Mechanical-Rammer Soil Compactors Standard new BOS Vol. 04.08 Committee D18
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Significance and Use

Mechanical compactors are commonly used to replace the hand compactors required for Test Methods D 698 and D 1557 in cases where it is necessary to increase production.

The design of mechanical compactors is such that it is necessary to have a calibration process that goes beyond determining the mass and drop of the hammer.

Note 1—The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria is Practice D 3740 are generally considered capable of competent and objective testing/sampling/inspection/and the like. Users of this standard are cautioned that compliance with Practice D 3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D 3740 provides a means of evaluating some of those factors.

Scope

1.1 These test methods for the calibration of mechanical soil compactors are for use in checking and adjusting mechanical devices used in laboratory compacting of soil and soil-aggregate in accordance with Test Methods D 698, D 1557 and other methods of a similar nature which might specify this method. Calibration for use with one method does not qualify the equipment for use with another method.

1.2 The weight of the mechanical rammer is adjusted as described in and in order to provide that the mechanical compactor will produce the same result as the manual compactor.

1.3 Two alternative procedures are provided as follows:

Section
Test Method ACalibration based on the compaction of a selected soil sample5
Test Method BCalibration based on the deformation of a standard lead cylinder6

1.4 If a mechanical compactor is calibrated in accordance with the requirements of either Test Method A or Test Method B, it is not necessary for it to meet the requirements of the other method.

1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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.

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Details
Book of Standards Volume: 04.08
Developed by Subcommittee: D18.03
Pages: 6
DOI: 10.1520/D2168-02A
ICS Code: 13.080.99