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  • AS 1012.21-1999

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    Methods of testing concrete Determination of water absorption and apparent volume of permeable voids in hardened concrete (Reconfirmed 2014)

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  05-08-1999

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    RECONFIRMATION NOTICETechnical Committee BD-042 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 9 September 2014.The following are represented on Technical Committee BD-042:AUSTROADSAustralian Chamber of Commerce and IndustryCement Concrete and Aggregates—ConcreteConcrete Institute of AustraliaNational Association of Testing Authorities AustraliaThe University of New South WalesUniversity of Technology SydneyVictorian Construction Materials Laboratory

    Scope - (Show below) - (Hide below)

    This Standard sets out the procedure for determining the immersed absorption (Ai) and, if required, boiled absorption (Ab) and apparent volume of permeable voids (AVPV) in hardened concrete. The drying operation in this test may withdraw the free water that is mechanically held in concrete, and some of the water from the colloidal cementitious gel. The absorptions indicated by the test are larger than those associated with the normal temperature and humidity environment of concrete in service. This method is not intended for use as an absolute measure of durability.NOTES:1 Test results obtained by this procedure will be affected by a number of factors including compaction, curing, absorption, age, air entrainment, absorption and vesicular nature of the aggregate and whether the specimen is moulded, is cut from an existing structure or is a piece of irregularly shaped concrete. Test results may also be affected if concrete specimens are carbonated.2 This Standard may involve the use of hazardous materials and equipment, and engagement in hazardous operations. This Standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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    Committee BD/42
    Document Type Standard
    Product Note *. Gives consideration to the methods set out in ASTM C 642-90 and BS. 1881:Part 122:1983
    Reconfirmed 24/10/2014.
    This standard has been reconfirmed in Australia in 2014 and remains current in New Zealand.
    <a href="https://infostore.saiglobal.com/PDFReconfirmed/1012.21-1999_Reconfirm.pdf">Reconfirmation Notice 24/10/2014</a>
    Publisher Standards Australia
    Status Current

    History - (Show below) - (Hide below)

    First published as AS 1012.21-1999.
    Reconfirmed 2014. First published as AS 1012.21-1999.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 1012.1-1993 Methods of testing concrete - Sampling of fresh concrete
    AS 1012.12.2-1998 Methods of testing concrete Determination of mass per unit volume of hardened concrete - Water displacement method (Reconfirmed 2014)
    AS 1289.0-1991 Methods of testing soils for engineering purposes - General requirements and list of methods

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

    AS 4722-2009 Passenger ropeways and passenger conveyors
    AS 2159-2009 Piling - Design and installation
    AS/NZS 2041.2:2011 Buried corrugated metal structures Installation
    AS 5100.8:2017 Bridge design Rehabilitation and strengthening of existing bridges
    AS 1141.60.2:2014 Methods for sampling and testing aggregates Potential alkali-silica reactivity - Concrete prism method
    AS 5100.5:2017 Bridge design Concrete
    AS 3850-2003 Tilt-up concrete construction
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