ms523-2_2010pre

MALAYSIANSTANDARD MS 523-2:2011 CONCRETE - PART 2: METHOD OF SPECIFYING AND GUIDANCE FOR THE SPECIFIER (SECOND REVISION) ICS: 91.100.30 Descriptors: concrete, method of specifying, guidance, specifier © Copyright 2011 DEPARTMENT OF STANDARDS MALAYSIA DEVELOPMENT OF MALAYSIAN STANDARDS The Department of Standards Malaysia (STANDARDS MALAYSIA) is the national standards and accreditation body of Malaysia. standardisation and accreditation as a means of advancing the national economy.my Tel: 60 3 5544 6000 Fax: 60 3 5510 8095 http://www. 367474 . as may be appropriate to the subject at hand. Persiaran Dato’ Menteri Section 2 40000 Shah Alam Selangor Darul Ehsan MALAYSIA Tel: 60 3 8318 0002 Fax: 60 3 8319 3131 http://www. Century Square Jalan Usahawan 63000 Cyberjaya Selangor Darul Ehsan MALAYSIA SIRIM Berhad (Company No.sirim. Malaysian Standards are reviewed periodically. users.my E-mail: [email protected]. Malaysian Standards (MS) are developed through consensus by committees which comprise balanced representation of producers.my E-mail: central@standardsmalaysia. The use of Malaysian Standards is voluntary except in so far as they are made mandatory by regulatory authorities by means of regulations. local by-laws or any other similar ways.V) 1. Block 2300. STANDARDS MALAYSIA has appointed SIRIM Berhad as the agent to develop.standardsmalaysia. To the greatest extent possible. protecting the consumers. benefiting the health and safety of the public. please contact: Department of Standards Malaysia OR Ministry of Science. Malaysian Standards are aligned to or are adoption of international standards. For further information on Malaysian Standards. facilitating domestic and international trade and furthering international cooperation in relation to standards and standardisation.gov. Approval of a standard as a Malaysian Standard is governed by the Standards of Malaysia Act 1996 [Act 549]. 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The main function of STANDARDS MALAYSIA is to foster and promote standards.my . consumers and others with relevant interests. distribute and sell the Malaysian Standards. ...................... 7 5 Exchange of information ............ definitions.... d) ..... 15 Table A1 Exposure classes .................................................. 35 Table A8 Limiting values for composition and properties of concrete to resist freezing and thawing (XF exposures) ...................................................................... 28 Table A5 Durability a) recommendations for reinforced or prestressed elements with an intended working life of at least 100 years............................................................................................ 34 Table A7 Minimum cement and combination contents with maximum aggregate sizes other than 20 mm ...................................................................... 40 © STANDARDS MALAYSIA 2011 ........................................................... symbols and abbreviations................................................ 4 3 Terms............................................................................. 31 Table A6 Cement and combination typesa) ............................................ 18 Table A2 Classification of ground conditions ............................................ 38 a) Table A10 Additional protective measures (APMs)................................. 39 Table A11 Limiting values of composition and properties for concrete where a DC-class is specified ............................................................All rights reserved i ................................... 21 Table A3 Typical reinforced concrete applications in buildings (intended working life at least 50 years) for designated concretes.............................................................................................................................. 4 4 Method of specifying................................................................................................................................................................... 1 1 Scope............ 37 Table A9 Selection of the nominal cover and DC-class or designated concrete and the number of APM for in-situ concrete elementsa) where the hydraulic gradient due to groundwater is five or lessb).................................................................MS 523-2:2011 CONTENTS Page Committee representation ......... 4 2 Normative references ............... 26 Table A4 Durability recommendations for reinforced or prestressed elements with an intended working life of at least 50 years................................................iii Foreword............................................................................................................................................................................................................................................................................................................................................................................... c).......................................................................................................iv 0 Introduction ................................................ ....................................................................... 58 ii © STANDARDS MALAYSIA 2011 .............................................All rights reserved ........................ flow................ 42 a) Table A14 Summary of requirements for designated concretes ........ 53 Annex C Expected cement content with nominal proportions ..................................................................................................................................... 44 Table A16 Consistence suitable for different uses of in-situ concrete .................................................. 55 Table C1 Target cement contents for nominal proportions ............... 45 Table B1 Identify criteria for slump specified as a slump class................................. 54 Table B2 Identify criteria for slump specified as a target value....................................................... 54 Table B3 Identity criteria for flow specified as a flow class .................... 43 Table A15 Standardised prescribed concretes and indicative strength ...................... 54 Table B4 Identity criteria for flow specified as a flow value...............................................................................MS 523-2:2011 CONTENTS (continued) Page Table A12 Limiting values of composition for unreinforced concrete in contact with sea water................................................................................ 40 Table A13 Guidance on the selection of designated and standardised prescribed concrete in housing and other applications ................................................................ density and additional requirements for compressive strength.............................................. 57 Annex A Guidance for the specifier ......................... air content..... 57 Bibliography ........................................ 17 Annex B Identity testing for slump.................... All rights reserved iii . Malaysia Universiti Teknologi PETRONAS © STANDARDS MALAYSIA 2011 . Malaysia Universiti Teknologi Malaysia Universiti Teknologi MARA The Working Group on Revision of MS 523: Part 2 which developed this Malaysian Standard consists of representatives from the following organisations: Jabatan Kerja Raya Malaysia (Cawangan Kejuruteraan Awam. Malaysia Universiti Sains Malaysia Universiti Teknologi Malaysia The Technical Committee on Concrete and Concrete Products which supervised the development of this Malaysian Standard consists of representatives from the following organisations: Association of Consulting Engineers Malaysia Construction Industry Development Board Malaysia Department of Irrigation and Drainage IKRAM QA Services Sdn Bhd Jabatan Kerja Raya Malaysia (Cawangan Kejuruteraan Awam. comprises representatives from the following organisations: Association of Consulting Engineers Malaysia Construction Industry Development Board Malaysia Department of Irrigation and Drainage Department of Standards Malaysia Federation of Malaysian Manufacturers Jabatan Bekalan Air Jabatan Bomba dan Penyelamat Malaysia Jabatan Kerajaan Tempatan Jabatan Kerja Raya Malaysia Kementerian Perumahan dan Kerajaan Tempatan Malaysian Timber Industry Board Master Builders Association Malaysia Ministry of International Trade and Industry Pertubuhan Akitek Malaysia SIRIM Berhad (Secretariat) The Chartered Institute of Building Malaysia The Institution of Engineers.MS 523-2:2011 Committee representation The Industry Standards Committee on Building and Civil Engineering (ISC D) under whose authority this Malaysian Standard was developed. Struktur dan Jambatan) Jabatan Kerja Raya Malaysia (Cawangan Pengkalan Udara dan Maritim) Master Builders Association Malaysia National Ready Mixed Concrete Association Pertubuhan Akitek Malaysia SIRIM QAS International Sdn Bhd The Cement and Concrete Association of Malaysia The Institution of Engineers. Struktur dan Jambatan) National Ready Mixed Concrete Association SIRIM Berhad (Secretariat) The Institution of Engineers. The clauses on freezing and thaw are not normally needed for Malaysia.Part 2: Method of specifying and guidance for the specifier”. This Malaysian Standard cancels and replaces MS 523: Part 2:1993. under the general title.10). Method of specifying and guidance for the specifier. c) incorporation of cubes size for conformity testing. d) incorporation of a new annex on “Guidance for the specifier”. Compliance with a Malaysian Standard does not of itself confer immunity from the legal obligations iv © STANDARDS MALAYSIA 2011 . but may be necessary for special applications such as cool rooms and skating rinks. b) incorporation of requirements on freezing and thaw.All rights reserved . Concrete: Part 1: Specification. NOTE. This Malaysian Standard is the second revision of MS 523: Part 2. production and conformity Part 2: Method of specifying and guidance for the specifier Part 3: Specification for constituent materials and concrete Major modifications in this revision are as follows: a) the title has been changed to “Concrete . MS 523 consists of the following parts. NOTE. performance. and e) recommendation of third party certification for all concrete including designed concrete. This standard recommends the use of 100mm cubes for conformity testing to promote sustainable construction (refer clause A.MS 523-2:2011 FOREWORD This Malaysian Standard was developed by the Working Group on Revision of MS 523: Part 2 under the authority of the Industry Standards Committee on Concrete and Concrete Products.