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    I.S. EN 1097-2:2020

    Current The latest, up-to-date edition.

    Tests for mechanical and physical properties of aggregates - Part 2: Methods for the determination of resistance to fragmentation

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  03-05-2020

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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    Table of Contents - (Show below) - (Hide below)

    European foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Apparatus
    5 Determination of resistance to fragmentation by the Los Angeles test
    6 Determination of resistance to fragmentation by the impact test method
    Annex A (normative) Determination of resistance to fragmentation of aggregates for railway ballast
    Annex B (informative) Alternative narrow range classifications
    Annex C (informative) The impact tester: Construction, operation and safety requirements
    Annex D (informative) Checking of the impact tester
    Annex E (informative) Precision
    Annex F (informative) Worked example of calculation of impact value SZ
    Annex G (informative) Alternative narrow range classification for the Los Angeles test of 16/32 mm recycled aggregates
    Annex H (informative) Additional sieve for evaluation of the Los Angeles test for railway ballast
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document describes the reference method, the Los Angeles test, used for type testing and in case of dispute (and an alternative method, the impact test) for determining the resistance to fragmentation of coarse aggregates (main text) and aggregates for railway ballast (Annex A).

    General Product Information - (Show below) - (Hide below)

    Committee TC 154
    Document Type Standard
    Product Note The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document. THESE STANDARD IS REFERS TO :EN 10025-2,EN 932-5
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
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