ASTM C825 - 19

    Standard Specification for Precast Concrete Barriers

    Active Standard ASTM C825 | Developed by Subcommittee: C27.20

    Book of Standards Volume: 04.05


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    Abstract

    This specification covers precast concrete barriers intended for use adjacent to a roadway or as a median to redirect vehicles unintentionally leaving the roadway. The acceptance criteria for these barriers shall be based on strength properties, dimensional properties, and end results. Conformance as to materials (cement, aggregates, admixtures, and steel reinforcements), design (concrete strength, air entrainment, dimensions, steel reinforcements, concrete finish, lifting devices, anchorage, and reinforcement laps, welds, and splicing), and manufacture (mixture, accelerated curing, water curing, membrane curing, and forms) should be observed precisely. Physical requirements shall be examined by compression, curing compression, and core compression tests.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers precast concrete barriers, intended to be used adjacent to a roadway or as a median, to redirect vehicles unintentionally leaving the roadway.

    1.2 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.

    1.3 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A416/A416M Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    A421/A421M Specification for Stress-Relieved Steel Wire for Prestressed Concrete

    A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

    A996/A996M Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement

    A1064/A1064M Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete

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

    C33/C33M Specification for Concrete Aggregates

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

    C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete

    C150/C150M Specification for Portland Cement

    C173/C173M Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

    C231/C231M Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

    C260/C260M Specification for Air-Entraining Admixtures for Concrete

    C330/C330M Specification for Lightweight Aggregates for Structural Concrete

    C494/C494M Specification for Chemical Admixtures for Concrete

    C595/C595M Specification for Blended Hydraulic Cements

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


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111500(Concrete and mortars)


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/C0825-19

    Citation Format

    ASTM C825-19, Standard Specification for Precast Concrete Barriers, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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