ASTM C1314-23

Standard Test Method for Compressive Strength of Masonry Prisms

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STANDARD published on 1.2.2023

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The information about the standard:

Designation standards: ASTM C1314-23
Note: WITHDRAWN
Publication date standards: 1.2.2023
SKU: NS-1103613
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Mechanical testing Masonry

Annotation of standard text ASTM C1314-23 :

Keywords:

compressive strength of masonry (fmt), masonry prism, masonry prism strength, masonry specimen, specified compressive strength of masonry (f ´m),, ICS Number Code 19.060 (Mechanical testing),91.080.30 (Masonry)

Additional information

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 (Note 1).

Note 1:?A prism is an assembly of components used to measure or verify a property (in this case, the specified compressive strength of masonry, f '_m). Testing of prisms may be part of a projects field quality control or assurance program. In these cases, prisms are built as companions to a masonry element (for example, a masonry wall, column, pilaster, beam, or other element) at a jobsite where the masonry element is site-constructed, or within a factory or shop where the element is shop-built. These prisms are not intended to replicate or model the performance or design attributes of the as-built element. Prisms may also be fabricated in a laboratory for research purposes (Appendix X2). In each scenario (field or research) the test procedures are structured so that masonry assembly compressive strength (f_mt) is measured in an accurate and repeatable manner.

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/C1532M. 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 2:?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, 1.2?This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.

1.3?The text of this standard refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.4?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.

1.5?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

C1552-23	Standard Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing
C67-17	Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile
C476-23	Standard Specification for Grout for Masonry
C270-25b	Standard Specification for Mortar for Unit Masonry (Includes all amendments and changes 1/16/2026).
C144-25	Standard Specification for Aggregate for Masonry Mortar
C143/C143M-26a	Standard Test Method for Slump of Concrete (Includes all amendments and changes 3/17/2026).
C140-13	Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
C136-06	Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates
E111-17(2025)e1	Standard Test Method for Young’s Modulus, Tangent Modulus, and Chord Modulus (Includes all amendments and changes 12/11/2025).
E105-21	Standard Guide for Probability Sampling of Materials
C1587-09	Standard Practice for Preparation of Field Removed Manufactured Masonry Units and Masonry Specimens for Testing
C780-25a	Standard Test Methods for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry (Includes all amendments and changes 8/5/2025).
C1532-06	Standard Practice for Selection, Removal, and Shipment of Manufactured Masonry Units and Masonry Specimens from Existing Construction
C1232-26	Standard Terminology for Masonry
C1180-24	Standard Terminology of Mortar and Grout for Unit Masonry (Withdrawn 2025)
C1093-25	Standard Practice for Accreditation of Testing Agencies for Masonry
C1019-26	Standard Test Method for Sampling and Testing Grout for Masonry

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