ASTM A882 / A882M - 04a(2010)

    Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand

    Active Standard ASTM A882 / A882M | Developed by Subcommittee: A01.05

    Book of Standards Volume: 01.04

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    This specification covers filled epoxy-coated seven-wire prestressing steel strands with protective fusion-bonded epoxy coating applied by the electrostatic deposition method. This specification also covers relaxation loss limits for filled epoxy coated strands. Prestressing steel strands shall be free of contaminants such as oil, grease, or paint. Steel strand surfaces shall be cleaned to meet coating requirements, such as coating thickness, coating continuity, coating adhesion, coating composition, and coating bond with concrete or grout. Smooth or grit-impregnated coating shall be applied by the electrostatic deposition method or other method that will meet the coating requirements. Pullout tests shall be performed three times annually or maybe repeated if the coating failed to meet the requirements.

    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 ASTM Specification A416/A416M low-relaxation Grade 250 and Grade 270 seven-wire prestressing steel strand with protective fusion-bonded epoxy coating applied by the electrostatic deposition method or other method that will meet the coating requirements in Section 8, and, except as allowed by 1.2, with the interstices of the seven wires filled with epoxy to minimize migration of corrosive media, either by capillary action or other hydrostatic forces.

    Note 1—The manufacturer as identified throughout this specification is the coating applicator.

    1.2 Upon special request by the purchaser, the interstices are left unfilled.

    Note 2—Unfilled strand can corrode from the inside and its application for prestressing tendons in concrete or for rock and soil anchors is not recommended.

    1.3 This specification is applicable for orders in either inch-pound units (as Specification A882) or SI units [as Specification A882M].

    1.4 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.

    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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

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

    B117 Practice for Operating Salt Spray (Fog) Apparatus

    D968 Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive

    G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel

    G14 Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)

    G20 Test Method for Chemical Resistance of Pipeline Coatings

    Federal Highway Administration Report

    FHWA-RD-74-18 Nonmetallic Coatings for Concrete Reinforcing Bars (February 1974) Available from National Technical Information Service (NTIS), 5285 Port Royal Rd., Springfield, VA 22161,

    ICS Code

    ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)

    UNSPSC Code

    UNSPSC Code 31152206(Coated steel wire); 31152207(Prestressed concrete steel wire)

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

    DOI: 10.1520/A0882_A0882M-04AR10

    Citation Format

    ASTM A882 / A882M-04a(2010), Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand, ASTM International, West Conshohocken, PA, 2010,

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