ASTM C1314 - 14

    Standard Test Method for Compressive Strength of Masonry Prisms

    Active Standard ASTM C1314 | Developed by Subcommittee: C15.04

    Book of Standards Volume: 04.05


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    Significance and Use

    4.1 This test method provides a means of verifying that masonry materials used in construction result in masonry that meets the specified compressive strength.

    4.2 This test method provides a means of evaluating compressive strength characteristics of in-place masonry construction through testing of prisms obtained from that construction when sampled in accordance with Practice C1532. Decisions made in preparing such field-removed prisms for testing, determining the net area, and interpreting the results of compression tests require professional judgment.

    4.3 If this test method is used as a guideline for performing research to determine the effects of various prism construction or test parameters on the compressive strength of masonry, deviations from this test method shall be reported. Such research prisms shall not be used to verify compliance with a specified compressive strength of masonry.

    Note 1: The testing laboratory performing this test method should be evaluated in accordance with Practice C1093.

    4.3.1 Appendix X2 includes guidance information for the researcher on aspects of materials, construction, and analysis.

    1. Scope

    1.1 This test method covers procedures for masonry prism construction and testing, and procedures for determining the compressive strength of masonry, fmt, used to determine compliance with the specified compressive strength of masonry, f ′m. When this test method is used for research purposes, the construction and test procedures within serve as a guideline and provide control parameters.

    1.2 This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.

    1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    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

    C67 Test Methods for Sampling and Testing Brick and Structural Clay Tile

    C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates

    C140 Test Methods for Sampling and Testing Concrete Masonry Units and Related Units

    C143/C143M Test Method for Slump of Hydraulic-Cement Concrete

    C144 Specification for Aggregate for Masonry Mortar

    C270 Specification for Mortar for Unit Masonry

    C476 Specification for Grout for Masonry

    C780 Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry

    C1019 Test Method for Sampling and Testing Grout

    C1093 Practice for Accreditation of Testing Agencies for Masonry

    C1532 Practice for Selection, Removal, and Shipment of Manufactured Masonry Units and Masonry Specimens from Existing Construction

    C1552 Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing

    C1587 Practice for Preparation of Field Removed Manufactured Masonry Units and Masonry Specimens for Testing

    E105 Practice for Probability Sampling of Materials

    E111 Test Method for Youngs Modulus, Tangent Modulus, and Chord Modulus


    ICS Code

    ICS Number Code 19.060 (Mechanical testing); 91.080.30 (Masonry)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/C1314-14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C1314-14, Standard Test Method for Compressive Strength of Masonry Prisms, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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