1、BRITISH STANDARD BS EN 13894-1:2003 Products and systems for the protection and repair of concrete structures Test methods Determination of fatigue under dynamic loading Part 1: During cure The European Standard EN 13894-1:2003 has the status of a British Standard ICS 91.080.40 BS EN 13894-1:2003 Th
2、is British Standard, was published under the authority of the Standards Policy and Strategy Committee on 23 December 2003 BSI 23 December 2003 ISBN 0 580 43152 5 National foreword This British Standard is the official English language version of EN 13894-1:2003. The UK participation in its preparati
3、on was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/8, Protection and repair of concrete structures, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standard
4、s which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This pu
5、blication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible internat
6、ional/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN titl
7、e page, pages 2 to 8, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN138941 October2003 ICS91.080.40 Eng
8、lishversion Productsandsystemsfortheprotectionandrepairofconcrete structuresTestmethodsDeterminationoffatigueunder dynamicloadingPart1:Duringcure Produitsetsystmesdeprotectionetderparationdes structuresenbtonMthodesdessaiDterminationde lafatiguesouschargedynamiquePartie1:Pendantle durcissement Produ
9、kteundSystemefrdenSchutzunddie InstandsetzungvonBetontragwerkenPrfverfahren BestimmungderDauerschwingfestigkeitunterdynamischer BelastungTeil1:WhrenddesAushrten ThisEuropeanStandardwasapprovedbyCENon10July2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethecondition
10、sforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversio
11、ninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Ita
12、ly,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserve
13、d worldwideforCENnationalMembers. Ref.No.EN138941:2003EEN138941:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Principle4 4 Equipment.4 5 Procedure .4 5.1 Preparationoftestpieces .4 5.2 Numberoftestspecimens 4 5.3 Testing 5 5.4 Failuremode .5 5.5 Failurestrengthratio .5 6 Test
14、report . .6EN138941:2003(E) 3 Foreword Thisdocument(EN138941:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC104“Concreteand relatedproducts”,thesecretariatofwhichisheldbyDIN. IthasbeenpreparedbySubCommittee8“Productsandsystemsfortheprotectionandrepairofconcrete structures”(Secretariat,AFNOR). ThisEur
15、opeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthe latestbyMay2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countries
16、areboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands, Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN138941:2003(E) 4 1Scope ThisPartofthisEuropeanStandardspecif
17、iesalaboratorymethodoftestingtoascertainhowdynamicloading affectsstrengthdevelopmentofstructuralbondingagentsduringcuring. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,
18、andthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). ENISO85011:2001,Pre
19、parationofsteelsubstratesbeforeapplicationofpaintsandrelatedproducts VisualassessmentofsurfacecleanlinessPart1:Rustgradesandpreparationgradesofuncoatedsteel substratesandofsteelsubstratesafteroverallremovalofpreviouscoatings(ISO85011:1988). 3Principle ThisPartofthisEuropeanStandardusesathickadherent
20、sheartestspecimenasshowninfigure1.Thetest isperformedbyapplyingadynamictensileforcealongthelongitudinalaxisofthespecimenduringcuringof theadhesive.Oncetheadhesiveiscuredthebondedjointistestedtofailureintensionanditsfailureload comparedwiththatofanunvibratedcontrolspecimen. 4Equipment 4.1 Steeladhere
21、ntsandloadingplateasshowninfigures1and2. 4.2 Gritblastingequipment. 4.3 Atensiontestingmachineofminimum10kNcapacitycapableofapplyingloadcycleswithafrequency of2Hzwithstraincontrol,atastrainof150 m/m. 4.4 Atensiontestingmachinecapableofapplyingstaticloadsofupto10kNtoanaccuracyof 0,1kN. 5Procedure 5.1
22、 Preparationoftestpieces Thebondingsurfacesofthesteeladherentsshallbedegreasedusingasuitabledegreasingagentandthen gritblastedtogradeSA21/2ofENISO85011:2001.Thesteelsurfaceshallthenbevacuumedtoremove anydustandPVCtapeappliedtothefourbuttingsurfacesoftheadherentsinordertopreventanytensile bonding.Wit
23、hin24h,mixtheadhesiveinaccordancewiththemanufacturersinstructionsandapplytoeach ofthepreparedbondingsurfacessuchthatwhentheyarebroughttogetheragluelinethicknessof(1,0 0,1) mmisachieved. 5.2 Numberoftestspecimens Thethickadherentsheartestspecimensaretobetestedinpairs,usingaloadingplateasshowninfigure
24、2. Threepairsofthickadherentsheartestspecimensaretobecuredunderdynamicload,andafurtherthree pairsofthickadherentsheartestspecimens,actingascontrols,aretobecuredwhilststationary.EN138941:2003(E) 5 5.3Testing Aftertheadhesivehasbeenappliedtothebondingsurfacesoftheadherentstheyshallimmediatelybebolted
25、securelytotheloadingplateasshowninfigure2.Theloadingplateisthencycledbetweenstrainsof 20 m/mand170 m/matafrequencyof(2 0,1)Hzusingasinewavefunctioncommencing20minafter completionofmixingoftheadhesiveandcontinuedfor48hours,whilsttheadhesivecures.Followinga furtherfivedaysofcuringwhilststationary,thet
26、hickadherentsheartestspecimensshallberemovedfromthe loadingplateandthentestedintensionatarateof1mm/mintodeterminethefailureloadreadingto0,1kNof eachjoint.Thecontrolspecimensaretobecuredstationaryintheloadingplateatzerostrainforsevendays priortotestingintension.Allcuringandtestingistobeconductedat(21
27、 2)C,carebeingtakentoensure thatthedynamicloadingapparatusdoesnotraisethetemperatureabovethislimit. 5.4 Failuremode Recordthefailuremodeforeachspecimenasoneofthefollowingtwotypes: TypeA:cohesionfailurewithintheadhesive; TypeB:adhesionfailureatoneoftheinterfaces. Ifthereisamixofthesefailuremodesmakea
28、visualassessmenttodeterminethesurfaceareapercentage foreachtypeoffailureandexpressthisasaratio,forexample: A:B=70:30 5.5 Failurestrengthratio Calculatethefailurestrengthforeachspecimenbydividingthefailureloadbythebondedarea(225mm 2 ). Hence,calculatethefailurestrengthratiobydividingthemeanfailurestr
29、engthforall6specimens(3pairs) subjectedtocyclicstrainingbythemeanfailurestrengthforall6specimens(3pairs)notsubjectedtocyclic straining.EN138941:2003(E) 6 6 Testreport Thetestreportshallincludethefollowinginformation: a) referencetothistestmethodstandard; b) nameandaddressofthetestlaboratory; c) iden
30、tificationnumberanddateofthetestreport; d) nameandaddressofthemanufacturerorsupplieroftheproduct; e) nameandidentificationmarksorbatchnumberoftheproduct; f) dateofsupplyoftheproduct; g) dateofpreparationofthetestspecimensandanydeviationfromtheprescribedmethodofpreparation; h) conditionsofstorageofpr
31、eparedtestspecimenspriortotest; i) dateoftest; j) thefailureloadofeachsample; k) thefailuremodeofeachsample; l) thefailurestrengthratio.EN138941:2003(E) 7 Key 1 ClearanceholeforM12threadedbar 2 Adhesivelayer 3 25mm 12mmsteelbar 4 PVCtapeonfourbuttingsurfaces Figure1Thickadherentsheartestspecimen 4 4
32、 DimensionsinmillimetresEN138941:2003(E) 8 0.1 Dimensionsinmillimetres Key 1 50mmx12mmsteelbarasloadingplate 2 M12threadedbarinthreadedholeinloadingplatesecuredby4 10mmdeepM12nutswithalengthof10mm 3 Electricalresistancestraingaugeprovidingstraincontroltotestmachine 4 Thickadherentsheartestspecimens
33、5 Gaugelengthforstraincalibrationof thickadherentsheartest specimenwithhardenedadhesive Figure2AssemblyforCyclicStrainingSpecimens 100 0.1blankBS EN 13894-1:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing
34、British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It
35、 is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside fro
36、nt cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications sho
37、uld be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have b
38、een published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also av
39、ailable which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of stan
40、dards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about
41、BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may
42、be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, an
43、d size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.
