ASTM C1790 - 14a

    Standard Specification for Fly Ash Facing Brick

    Active Standard ASTM C1790 | Developed by Subcommittee: C15.03

    Book of Standards Volume: 04.05


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    1. Scope

    1.1 This specification covers fly ash brick intended for use in masonry, which are made from fly ash, water, and suitable mineral aggregates with or without the inclusion of other materials, and without the use of portland cement. This specification covers units intended for use in masonry, in both structural and facing applications.

    1.2 Units covered under this specification include a fly ash binder that undergoes hydraulic, pozzolanic, alkali-activated, or geopolymer reactions, or any combination thereof. These chemical reactions, in conjunction with the other materials in the units, provide the strength and durability necessary to meet the requirements of this specification.

    Note 1: This specification addresses properties of units formed using fly ash, aggregates, and other allowed binders. Although not required by this standard, users may request tests that establish assembly performance such as unit-mortar bond and fire resistance. As an alternative to tests, evidence of successful use in similar applications could be provided to establish assembly performance.

    1.3 This specification references notes and footnotes, which 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 the standard. The values given in parentheses are for information only.

    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 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

    C33 Specification for Concrete Aggregates

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

    C331 Specification for Lightweight Aggregates for Concrete Masonry Units

    C426 Test Method for Linear Drying Shrinkage of Concrete Masonry Units

    C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

    C979 Specification for Pigments for Integrally Colored Concrete

    C989 Specification for Slag Cement for Use in Concrete and Mortars

    C1232 Terminology of Masonry

    C1240 Specification for Silica Fume Used in Cementitious Mixtures

    C1645 Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units


    ICS Code

    ICS Number Code 91.100.15 (Mineral materials and products)

    UNSPSC Code

    UNSPSC Code 30131600(Bricks)


    Referencing This Standard

    DOI: 10.1520/C1790-14A

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C1790-14a, Standard Specification for Fly Ash Facing Brick, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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