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  • BS 1438:2004

    Current The latest, up-to-date edition.

    Aggregates. Single-sized aggregates for use as a medium in biological percolating filters

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  05-03-2004

    Publisher:  British Standards Institution

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

    Committees responsible
    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Geometrical requirements
    5 Impurities
    6 Durability
    7 Designation and description
    8 Marking and labelling
    Annex A (normative) Method for the determination of
            soundness (sodium sulfate soundness test)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the properties of single-sized aggregates for use as a medium in biological percolating filters.

    Scope - (Show below) - (Hide below)

    This British Standard specifies the properties of single-sized aggregates for use as a medium in biological percolating filters.

    NOTE Suitable aggregates include crushed natural aggregate, metallurgical slags, selected bottom ashes, sintered pulverized fuel ash and other similar materials.

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

    Committee B/502
    Development Note Supersedes BS 1438(1971). (03/2004) Reviewed and confirmed by BSI, December 2009. (11/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN 933-1:2012 Tests for geometrical properties of aggregates Determination of particle size distribution. Sieving method
    BS EN 13242:2013 Aggregates for unbound and hydraulically bound materials for use in civil engineering work and road construction
    BS EN 933-2:1996 Tests for geometrical properties of aggregates Determination of particle size distribution. Test sieves, nominal size of apertures
    BS EN 932-1:1997 Tests for general properties of aggregates Methods for sampling
    BS 812-105.1:1989 Testing aggregates. Methods for determination of particle shape Flakiness index
    BS EN 932-5:2012 Tests for general properties of aggregates Common equipment and calibration
    BS EN 932-2:1999 Tests for general properties of aggregates Methods for reducing laboratory samples
    BS EN 932-3:1997 Tests for general properties of aggregates Procedure and terminology for simplified petrographic description
    BS EN 933-3:2012 Tests for geometrical properties of aggregates Determination of particle shape. Flakiness index
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