ASTM C495 / C495M - 12

    Standard Test Method for Compressive Strength of Lightweight Insulating Concrete

    Active Standard ASTM C495 / C495M | Developed by Subcommittee: C09.21

    Book of Standards Volume: 04.02


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    Significance and Use

    This test method provides standardized requirements for sampling, molding, curing, and testing lightweight insulating concretes for the purpose of determining compliance with compressive strength and density specifications.

    1. Scope

    1.1 This test method covers the preparation of specimens and the determination of the compressive strength of lightweight insulating concrete having an oven-dry density not exceeding 800 kg/m3 [50 lb/ft3] as determined by the procedures described herein. This test method covers the preparation and testing of molded 75 by 150-mm [3 by 6-in.] cylinders.

    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.

    1.3 This standard does not purport to address all of the safety problems, 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

    C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens

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

    C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)

    C172 Practice for Sampling Freshly Mixed Concrete

    C617 Practice for Capping Cylindrical Concrete Specimens

    C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111503(Insulating concrete)


    DOI: 10.1520/C0495-07

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