ASTM D2168 - 10

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

    Active Standard ASTM D2168 | Developed by Subcommittee: D18.03

    Book of Standards Volume: 04.08


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    Significance and Use

    Mechanical compactors are commonly used to replace the hand compactors required for Test Methods D698 and D1557 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 in Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection/and the like. Users of this standard are cautioned that compliance with Practice D3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.

    1. Scope

    1.1 These practices 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 D698, D1557, Practice D6026, and other methods of a similar nature that might specify these practices. Calibration for use with one practice does not qualify the equipment for use with another practice.

    1.2 The weight of the mechanical rammer is adjusted as described in 5.4 and 6.5 in order to provide for the mechanical compactor to produce the same result as the manual compactor.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D698 Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12 400 ft-lbf/ft3 (600 kN-m/m3))

    D1557 Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-m/m3))

    D2487 Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)

    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

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

    E145 Specification for Gravity-Convection and Forced-Ventilation Ovens


    ICS Code

    ICS Number Code 13.080.99 (Other standards related to soil quality)

    UNSPSC Code

    UNSPSC Code 11111501(Soil)


    DOI: 10.1520/D2168-10

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