BS EN 196-3 1995 水泥测试方法 第3部分 确定凝结时间和强度.pdf

196,1995,BS,EN,国外及港澳台标准
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Methodsoftesting cement

Part3.Determinationofsettingtimeandsoundness

The Euroqpan Starilard EN 196-3 : 1994 has the status of aBritish Stanlard

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Cooperatingorganizations

Anendments issmed sinee publieatin=

Th Euean CitfStarizati (EN).er w sri this Enropean Stanard was praredris thatiomal standardsorganizations of the following cmntries

Helgum Austria (lesterrrichisehes Normungsinstitut Institut brlge de normaliationDenmark Dansk StandardFranr Fintand Sumn Stanardiomislito E.y. Association francaise de normalisationGermany Greere Deutshes Institut for Normung o. V. Ilellenie Organization for Standardizat ionleeland Tehnlogieal Institute of lelandtaly Ireland National Standaris Austhority of Ieland Ente Nazionale Italiano di UnificazioneLnxemhourg Netherlands Inspeetion du Travail et des Mines Nederlands Normalisatie-instituutNorway Norges StandardiseringsforbundPortugal Spain Instituto Portuguis da Qualidade Asociacin Espanola de Normalizarion y CertificarinSweden Asiation su de noralisat on Standardiseringskommissionen i SuerigeSwitzerland United Kinglom British Standards Institution

Contents

Cooperating organizations Natinal forrwor Inside fret rForeword ? 1National annexes 5961 N3 J0 1x 3NA (informtive) Determination of standard consisene NB (informative) Committees responsible 10NC (informative) Crssreferences Inside bark euAr Insile bark cner

Nationalforeword

This British Standard has been prepared under the diretion of Technical Committee B516 Cement and lime.It is the Englishlanguage versinoEN196-3:1994 thodsftesting cemnFurt3:Drernintionfstting timeandsondness publishedby theEuropean Committee forStandardization(CEN).EN196-3was drawn up by CENTechnical Committee 51 Cement andaccepted by CENon15November1985andmade available on12May19s. The UKgave anegativewote at thefinalwoting stageandundertheCENRulesthen in force was notobliged to implement this Part.A second formal vote was takeninNovember 1992when the UKagaingave anegative ote but.underStandard supersedes BS4550:Sertions 3.5 :1978 3.6: 1978 and 3.7 :1978 the CEN Rules now in foree is obliged to implement this Part.This Britishwhich are withdrawn.

The methods deseribed in this standard retain the use of the familiar Vicat and le Chatelierpparatus.The UKnegative voteson thisPart were dur to the factthat thedraftEuropeanStandardontaineertainerrorsomeofwhich remainin the 1994 text e.g.the minimum laboratory relative humidity in 4.1should be 50%toaccord withEN196-1.Furthermore therequiremer.t In7.1.3 for a minimum relative humidity of98% inappropriate asvales atthislevel canneitherhemeasured norcontrolled with anypreisin.Th lengths ofthe standard consistenee plunger andf the setting time neelles arenot critical where theVicat apparatusiscalibrated inadance ofthe te (see 5.2.3and 6.2).However for convenienee in use they should be of thesame length within±1mm.ence in the typicalillustrations shownin figure 1 theneedle lengths in(d)and (e) should be shown to the uppershoulder of the cone.

The Vicst ould is specified in 5.1 to be of hard ruber but moulds ofmetal may be used provided that...they canbe shown to give the same test resultsSuch data are available in the UK enabling metal moulds to be used.

In the test for standard consistence 5.2.3 requires reeat testswith pastes containingdifferentwatercontentsuntiloneisfoundtoprodueeadistanebetween plunger and base-plate of (6± 1) mmThe UK prowedure formeting this requirement is given in national annex NA.

BS 4550 : Seetion 3.7 : 1978 inelded a soundne test for spersulfated cement hased on immersion in cold water which does not appear in EN 196-3.

Compllance witha Brltish Standard does not of itself confer immunity from legal obligatlons.

EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM

9L.1

English version

Methods of testingcement-Part3:Determination of settingtimeandsoundness

Methodes d'essai des ciments Partie 3: Determination du temps de prise etde la stabilite

Prafverfahren far ZementTeil 3:Bestimmung der Erstarrungszeiten undder Raumbestandigkeit

This European Standard wasapproved by CENon1994-12-12.CENmembersstipulate the conditions for giving this European Standard the status ofanational standard without any alteration.

Up-to-cate lists and bibliographical references cotcerming such nationalCEN member.

This European Sandard exists in three oficial versions (English French Central Secretariat has the same status as the official versions.

CEN members are the national standards bodies of Austria Belgium Denmark Fnland France Germany.Greece Ieland,Ireland,Italy. Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland andUnited Kingdom.

CEN

European Commitee for Standardization Comite Europfen de NormalisationEuroplisches Komitee for Normung

Central Secretarlat:rue de Stassart 36 B-1050 Brussels

Foreword

Contents

This European Standard was drawn up by TechnicalCmitee CEN Tt 51. Cement and building limes of which the seenetariat is held by IBN.

PagForrworl 21 Seope Normative referenvs2 3 sappud sL 34 General repirements for teting5 6 Standard consitence test Setting time test :37 Sonne tet 7

The Eurpean Standard on the methoxds of testingcemnt prises the following Parts:

EN 196-1 Determination of strength Mlethods of testing cement Part 1:EN 196-2 Xlethods of testing cemt- Chemical analysis of cement Part 2:EN 196-3 Methods of testing cement-Part 3:soundness Determination of setting time andENV196-4Methods of testing cement Quantitative determination of Part 4:EX 196-5 Methods of testing cement -Part 5: constituentsFozzlanicity test for pozzolanieEN 196-6 Methods of testing cement Part 6: cementsEN 196-7 Determination of fineness Methods of testing cement -Par 7:Methods of taking and preparing samples of cementEN 196-21 Methods of testing cement -Part 21:Deternination of chloride carbon dioxide and alkali content of eement

This Eunopean Standard shall be given the status ofa Natioai Stanlard either by publication of an identical text or by encorsement at the latest byJune 19 and conflicting national standarls shall bx withdrawn at the latest by June 1995.

This European standard supersedes EN 196-3 :1187.

Acrorling to the CEN CENELEC InternalReglatiosthfollowingcountriesarebund t inplement this European Standard: Austria Geandandtalyx Belgium Denmark Finland France Gernany.Netherlandsrway Ptugal Spain ween Switzerland United Kingdom.

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