ASTM D4531 - 86(2008)

    Standard Test Methods for Bulk Density of Peat and Peat Products

    Active Standard ASTM D4531 | Developed by Subcommittee: D18.22

    Book of Standards Volume: 04.08


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    Significance and Use

    These test methods provide uniform procedures for determining the bulk density of in situ peat and processed peat products. The bulk density is of use in the calculation of in situ stresses for engineering analysis and in quantifying the amount of material present when considering peat as a resource. In the latter case, it is necessary to consider the moisture condition for which the bulk density was determined; a more useful parameter to consider may well be the dry density, ρd.

    1. Scope

    1.1 These test methods cover the determination of the bulk density of both peat in its natural state and peat products (Note 1). These test methods consist of defining a volume of peat and determining the mass of that specific volume. The difference in the respective methods is in the procedures employed to determine the peat volume.

    Note 1—Test Method D 2978 is used for specifying the volume represented by a quantity of loose processed peat or the volume of a peat bale.

    1.2 Method AThis method, the core method, covers the determination of the bulk density of an undisturbed core of peat taken with a piston sampler or other suitable core sampler (Sections 6 and 7).

    1.3 Method BThis method, the paraffin wax method, covers the determination of the bulk density of undisturbed clods or irregular pieces of wet peat and compressed peat products (Sections 8 and 9).

    1.4 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.


    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

    D2974 Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils

    D2978 Test Method for Volume of Processed Peat Materials


    ICS Code

    ICS Number Code 65.080 (Fertilizers)

    UNSPSC Code

    UNSPSC Code 15101603(Peat)


    DOI: 10.1520/D4531-86R08

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