1、BRITISH STANDARD BS EN 14147:2003 Natural stone test methods Determination of resistance to ageing by salt mist The European Standard EN 14147:2003 has the status of a British Standard ICS 73.020; 91.100.15 BS EN 14147:2003 This British Standard, was published under the authority of the Standards Po
2、licy and Strategy Committee on 26 November 2003 BSI 26 November 2003 ISBN 0 580 42993 8 National foreword This British Standard is the official English language version of EN 14147:2003. The UK participation in its preparation was entrusted to Technical Committee B/545, Natural stone, which has the
3、responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitle
4、d “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance w
5、ith a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related intern
6、ational and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendment
7、s issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14147 November2003 ICS73.020;91.100.15 Englishversion NaturalstonetestmethodsDeterminationofresistanceto ageingbysaltmist Mthodesdessaipourlmentsenpierrenaturelle Dterminationdelarsistanceauvieillisseme
8、ntacclr aubrouillardsalin PrfverfahrenfrNatursteinBestimmungder BestndigkeitgegenAlterungdurchSalzsprhnebel ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanatio
9、nalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheres
10、ponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,S
11、lovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN14147:
12、2003EEN14147:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Principle5 4 Symbols 5 5 Apparatus .5 6 Preparationofspecimens .5 6.1 Sampling.5 6.2 Dimensionsoftestspecimens .6 6.3 Washing 6 6.4 Drying6 7 TestProcedure .6 8 Expressionofresults . .6 9 TestReport . 7 Bibliography 9
13、EN14147:2003(E) 3 Foreword Thisdocument(EN14147:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC246,“Naturalstones“the secretariatofwhichisheldbyUNI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnat
14、ionalstandardsshallbewithdrawnatthelatestby May2004. ThisStandardisoneoftheseriesofstandardsfortestsonnaturalstone. Testmethodsfornaturalstoneconsistofthefollowingparts: EN1925, NaturalstonetestmethodsDeterminationofwaterabsorptioncoefficientbycapillarity EN1926, NaturalstonetestmethodsDetermination
15、ofcompressivestrength EN1936, NaturalstonetestmethodsDeterminationofrealdensityandapparentdensityandoftotalandopen porosity EN12370, NaturalstonetestmethodsDeterminationofresistancetosaltcrystallisation EN12371, NaturalstonetestmethodsDeterminationoffrostresistance EN12372, NaturalstonetestmethodsDe
16、terminationofflexuralstrength underconcentratedload EN12407, NaturalstonetestmethodsPetrographicexamination EN13161, NaturalstonetestmethodsDeterminationofflexuralstrengthunderconstantmoment EN13364, NaturalstonetestmethodsDeterminationofthebreakingloadatdowelhole EN13755, NaturalstonetestmethodsDet
17、erminationofwaterabsorptionatatmosphericpressure EN13373, NaturalstonetestmethodsDeterminationofgeometriccharacteristicsonunits EN13919, NaturalstonetestmethodsDeterminationofresistancetoageingbySO 2 actioninthepresenceof humidity EN14066, NaturalstonetestmethodsDeterminationofresistancetoageingbyth
18、ermalshock prEN14157, NaturalstonetestmethodsDeterminationoftheabrasionresistance prEN14158, NaturalstonetestmethodsDeterminationofruptureenergy prEN14205, NaturalstonetestmethodsDeterminationofKnoophardness prEN14231, NaturalstonetestmethodsDeterminationoftheslipresistancebymeansofthependulumtester
19、 prEN14581, NaturalstonetestmethodsDeterminationofthermalexpansioncoefficient prEN14579, NaturalstonetestmethodsDeterminationofsoundspeedpropagation prEN14580, NaturalstonetestmethodsDeterminationofthestaticelasticmodulusEN14147:2003(E) 4 AccordingtotheCEN/CENELECInternalRegulations,thenationalstand
20、ardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN14147:2003(E) 5 1Sc
21、ope ThisEuropeanStandardspecifiesamethodtoassesstheresistanceofnaturalstonestoageingbysaltmist. 2 Normativereferences Nonapplicable. 3Principle Thespecimensareplacedinachamberandsprayedwithasaltsolution for4 hoursand,afterwards,driedfor8 hours.Thiscycleisrepeatedsuccessively. 4Symbols M 0 massofthed
22、riedspecimeningrams. M n massofthe driedspecimenafternexposurecyclesingrams. D Mpercentageofmassloss. 5Apparatus Chambercapabletoperformalternatingcyclesofsaltmistatmosphereanddrying(Figure1),atatemperatureof (35 5) C. Systemforsprayingthesaltsolutionintothechamberwhichincludesatomizingnozzlesanddef
23、lectingplatesto avoiddirectsprayingofthespecimens. Twofogcollectorshavingahorizontalcollectingareaofabout8000mm 2 (e.g.100mmdiameterglassfunnels withstemsinsertedintograduatedcylinders). Ventilatedovencapableofmaintainingatemperatureof(70+5)C Weighinginstrumentcapableofweighingthespecimenswithanaccu
24、racyof0,1g. Conductivitymeter,capableofmeasuringtheconductivityofthewaterusedtopreparethesaltsolutionandofthe rinsingwater. Sodiumchloridesolutionpreparedusingsodiumchloridewithapuritygradenotlessthan95%anddistilledor deionisedwaterhavingaconductivitylessorequalto20 m S/cmat(25 2)C.Thesolutionshallb
25、epreparedby dissolving10 1partsbymassofsodiumchloridein90partsofdistilledordeionisedwater,inordertoobtaina concentrationof(100 10)g/l.Afterpreparationthesolutionisfilteredordecanted. 6 Preparationofspecimens 6.1Sampling Thesamplingisnottheresponsibilityofthetestlaboratory,exceptwhenspeciallyrequeste
26、d. Atleastsixtestspecimens,whichareconsideredrepresentativeofthebodyofstonebeingtestedshallbe selected.EN14147:2003(E) 6 6.2 Dimensionsoftestspecimens Cubesof(50+1)mmsidesshallbeprepared. 6.3Washing Allloosematerialshallbewashedfromthesurfaceofthespecimenusingdeionisedwater. 6.4Drying Thespecimensed
27、gesaremarkedwithapermanentmarkerpenforeasiervisualobservationoflossofmaterial andthenthespecimensaredriedatatemperatureof(705) Ctoconstantmass.Thisisassumedtohavebeen attainedwhenthedifferencebetweentwoweighingsatanintervalof(242)hisnotgreaterthan0,1%ofthefirst ofthesetwomasses. Theyarethenlefttocoo
28、ltoroomtemperatureandweighed.Theweightofthedryspecimenistheinitialvalue M 0 . 7 TestProcedure Beforeusingthechamberperformapreliminarysetuptest,placingthetwofogcollectorsintothechamber(oneof themnearthenozzles,theotheronefarfromthem)andsprayingthesaltsolutionforatleast16hours.Attheend verifythateach
29、collectorhascollected(1,0to2,0)mlofsolutionperhour. Placethedryspecimensintothechamberovernoncorrosivesupports(glass,plasticetc.),eachoneapartfromthe othersandinsuchconditionsastobesubjectonlytosaltfog(avoiddirectsprayingordropfallingzones). Thenexposethespecimenstosaltfogfor4hours 15minutes.switcho
30、ffthesaltsprayingsystemanddrythe specimensinthechamberfor8hours 15minutes.Thisconstitutesonecycle. Duringthecycle,thetemperatureofthechamberismaintainedat(35 5) C. Thetestconsistsof60cycles,althoughitcanbeconcludedearlierif,byvisualinspection,atleasttwoofthe specimenscrackordisintegratecompletely. E
31、very15cycles,thespecimensaretakenfromthechamberforavisualinspection. Attheendofthetest,thespecimensarecarefullyremovedfromthechamberandimmersedindeionisedwaterso thatallthedepositedsaltscanberemoved.Thevolumeoftherinsingwaterinthecontainershallbecomprised betweentwoandthreetimesthetotalvolumeofthesp
32、ecimens. Thisprocessisveryslow,andthewatermustbechangedeverydayuntiltheremovalofthesaltiscomplete. Removalisconsideredcompletewhentheconductivityofthesolutionincontactwiththespecimensdoesnot exceedtwicethecharacteristicvalueoftheoriginalwater. Afterthis,thespecimensaredriedatatemperatureof(705) Ctoc
33、onstantmass,lefttocooltoroom temperature,weighed( M n )andvisuallyinspected. 8 Expressionofresults Theresultsarereportedintermsofthemasslossandoftheresultsofvisualinspectionconcerningthespecimens aspect,existenceofcracksorotherrelevantsignsofdegradation.Themodificationsinthepenmarkscanhelpin thisins
34、pection. Foreachspecimen,themasslossiscalculatedaspercentage,asfollows:EN14147:2003(E) 7 PercentageMassLoss() 100 % o n o - = D M M M M(1) Thearithmeticmeanoftheresultsobtainedforeachsetofspecimensisalsocalculated. 9 TestReport Thetestreportshallcontainthefollowinginformation: a) uniqueidentificatio
35、nnumberforthereport; b) number,titleandthedateofissueofthisEuropeanStandard; c) nameandaddressofthetestinglaboratoryandtheaddressofwherethetestwascarriedoutifdifferentfrom thetestinglaboratory; d) nameandaddressofclient; e) itistheresponsibilityoftheclienttosupplythefollowinginformation: - petrograp
36、hicnameofthestone; - commercialnameofthestone; - countryandregionofextraction; - nameofthesupplier; - directionofanyexistingplaneofanisotropy(ifrelevanttothetest)tobeclearlyindicatedonthesampleor oneachspecimenbymeansoftwoparallellines; - nameofthepersonororganisationwhichcarriedoutthesampling; - su
37、rfacefinishofthespecimens(ifrelevanttothetest). f) dateofdeliveryofthesamplesorofthespecimens; g) dateofpreparationofthespecimens(ifrelevant)andthedateoftesting; h) numberofspecimensinthesample; i) dimensionsofthespecimens; j) percentagemasslossandthevisualchangesforeachtestspecimen; k) arithmeticme
38、anoftheresultsformasslossofthetestspecimens; l) alldeviationsfromthestandardandtheirjustification; m)remarks. Eachtestreportshallcontainthesignature(s)androle(s)oftheresponsible(s)forthetestingandthedateofissue ofthereport. Itshallalsostatethatthereportshallnotbepartiallyreproducedwithoutthewrittenc
39、onsentofthelaboratory.EN14147:2003(E) 8 a)Frontview b)Sideview Key 1 Sealedchamber 2 Hingedtop 3 Noncorrosivespecimenssupportingplate(perforatedglassorplastic) 4 Controlledheater 5 Atomizingnozzle 6 Salinesolutioninlet 7 Dustfreecompressedairinlet 8 Spraydeflector 9 Collectingdevice 10 Thermometer 1
40、1 Noncorrosivespecimenssupports(glass,plastic,) 12Drain 13 Specimen 14 Air 15 Solutionwaste Figure1SketchofasaltspraychamberEN14147:2003(E) 9 Bibliography EN12440 Naturalstones Denominationcriteria EN12670 Naturalstones TerminologyBS EN 14147:2003 BSI 389 Chiswick High Road London W4 4AL BSI British
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