ASTM C567 / C567M - 14

    Standard Test Method for Determining Density of Structural Lightweight Concrete

    Active Standard ASTM C567 / C567M | Developed by Subcommittee: C09.21

    Book of Standards Volume: 04.02


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    Significance and Use

    5.1 The measured or calculated equilibrium density of structural lightweight concrete determines whether specified density requirements have been met. Unless otherwise specified, determine equilibrium density by calculation using the procedures in 9.2.

    5.2 Test Method C138/C138M shall be used to determine the density of freshly mixed lightweight concrete for compliance with concrete placement specifications.

    Note 1The fresh density of lightweight aggregate concrete is a function of mixture proportions, air content, water demand, and the specific density and moisture content of the lightweight aggregate. Decrease in density of a specific lightweight concrete is due to moisture loss that, in turn, is a function of aggregate moisture content, ambient conditions, and the ratio of the surface area to the volume of the concrete member. For most structural lightweight concretes, equilibrium density is approached at about 90 days. For most high-strength lightweight concretes, equilibrium density is approached at about 180 days. Extensive tests demonstrate that despite variations in the initial moisture content of lightweight aggregate, the equilibrium density will be approximately 50 kg/m3 [3.0 lb/ft3] greater than the oven-dry density.

    1. Scope

    1.1 This test method provides procedures to determine the oven-dry and equilibrium densities of structural lightweight concrete.

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in practice.

    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.


    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

    C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field

    C88 Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

    C125 Terminology Relating to Concrete and Concrete Aggregates

    C138/C138M Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete

    C172 Practice for Sampling Freshly Mixed Concrete

    C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory

    C470/C470M Specification for Molds for Forming Concrete Test Cylinders Vertically

    E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111500(Concrete and mortars)


    DOI: 10.1520/C0567_C0567M

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