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    SANS 52825-2009 Raised access floors《高架活动地板》.pdf

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    SANS 52825-2009 Raised access floors《高架活动地板》.pdf

    1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

    2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

    3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22175-1 SANS 52825:2009 Edition 1 EN 12825:2001 Edition 1SOUTH AFRICAN NATIONAL STANDARD Raised access floors This national standard is th

    4、e identical implementation of EN 12825:2001 and is adopted with the permission of CEN, rue de Stassart 36, B-1050 Brussels. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS This standard may

    5、 only be used and printed by approved subscription and freemailing clients of the SABS.SANS 52825:2009 Edition 1 EN 12825:2001 Edition 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS TC 59, Construction standards, in acco

    6、rdance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in March 2009. This SANS document supersedes SABS 1549:1993 (edition 1.1). This standard may only be used and printed by approved subscription and freemailing

    7、clients of the SABS.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12825 August2001 ICS91.060.30 Englishversion Raisedaccessfloors Plancherssurlevs Doppelbden ThisEuropeanStandardwasapprovedbyCENon21July2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethecondition

    8、sforgivingthisEuropean Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcerningsuchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioni

    9、nanyotherlanguagemadebytranslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembour

    10、g,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMemb

    11、ers. Ref.No.EN12825:2001EThis standard may only be used and printed by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 2 Contents page Foreword 2 1 Scope 3 2 Normativereferences 3 3 Termsanddefinitions 4 4 Requirements 6 5 Testandmeasurementmethods 9 6 Evaluationofconformit

    12、y 33 7 Marking,labellingandpackaging 34 Bibliography Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC323“Raised AccessFloors“,thesecretariatofwhichisheldbySNV. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublica tionofanidenticaltextorbyendorsement,atth

    13、elatestbyFebruary2002,andconflicting nationalstandardsshallbewithdrawnatthelatestbyFebruary2002. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuro peanCommissionandtheEuropeanFreeTradeAssociation,andsupportsessentialre quirementsofEUDirective(s). AccordingtotheCEN/CENELECInternalRe

    14、gulations,thenationalstandardsorganizations ofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium, CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Lux embourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKing dom.This standard may

    15、 only be used and printed by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 3 1Scope Thisstandardspecifiesthecharacteristicsandperformancerequirementsofraisedaccess floorsforwhichthemainintendeduseistheinternalfittingoutofbuildings,providingfull accesstotheservicestotheple

    16、num.Thisstandarddoesnotcoverrequirementsrelatedto dangeroussubstanceswhichmaybesubjecttoregulations. Itisapplicabletomodular,factorymadeflooringelements,comprisingpanelsandpedestals anddefinesthetestmethodsandmeasurement. ItprovidesfortheevaluationofconformityoftheproducttothisEuropeanStandard. 2 No

    17、rmativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetext,and thepublicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoother revisionsofanyofthesepublicationsapplytoth

    18、isEuropeanStandardonlywhenincorpo ratedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthepubli cationreferredtoapplies(includingamendments). EN1081 ResilientfloorcoveringsDeterminationofelectricalresistance. ENISO14012 AcousticsMeasurementofsoundinsulationinbuildingsandofbuildingele

    19、mentsPart12: Laboratorymeasurementofroomtoroomairborneandimpactsoundinsulationofanaccess floor(ISO14012:2000). EN1815 ResilientandtextilefloorcoveringsAssessmentofstaticelectricalpropensity. prEN12524 BuildingmaterialsandproductsEnergyrelatedpropertiesTabulateddesignvalues. EN12664 Thermalperformanc

    20、eofbuildingmaterialsandproductsDeterminationofthermalresistance bymeansofguardedhotplateandheatflowmetermethodsDryandmoistproductsofme diumandlowthermalresistance. EN12667 ThermalperformanceofbuildingmaterialsandproductsDeterminationofthermalresistance bymeansofguardedhotplateandheatflowmetermethods

    21、Productsofhighandmedium thermalresistance. prEN135011 FireclassificationofconstructionproductsandbuildingelementsPart1:Classificationusing datafromfirereactiontests. prEN135012 FireclassificationofconstructionproductsandbuildingelementsPart2:Classificationusing datafromfireresistancetests(excludingp

    22、roductsforuseinventilationsystems). ENV610241 ProtectionofstructuresagainstlightningPart1:Generalprinciples(IEC610241:1990, modified).This standard may only be used and printed by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 4 HD384.4.41 Electricalinstallationsofbuilding

    23、sPart4:Protectionforsafety;Chapter41:Protection againstelectricalshock. HD384.4.473 ElectricalinstallationsofbuildingsPart4:Protectionforsafety;Chapter47:Applicationof protectivemeasuresforsafety;Section473:Measuresofprotectionagainstovercurrent. HD384.5.54 ElectricalinstallationsofbuildingsPart5:Se

    24、lectionanderectionofelectricalequipment; Chapter54:Earthingarrangementsandprotectiveconductors. HD384.6.61 ElectricalinstallationsofbuildingsPart6:verification;Chapter61:initialverification. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply: 3.1 bridging

    25、/beam loadbearingcomponenttoaccommodatesituationswherepedestalsandstringers/beams(if available)cannotbelocatedintheirnormalpositions 3.2 collapse statereachedwhendeflectionoftheelementorpanelwillcontinuewithoutfurtherincreasing thetestload 3.3 components partsofaccessfloorelements,e.g.panels,pedesta

    26、ls,stringers,etc. 3.4 deflection movementoftestedspecimencausedbyloadexpressedasadeviationfromtheformerlin earlevel 3.5 deformation alterationoftheshapeofaspecimen 3.6 deviation differencebetweenaspecifieddimensionorpositionandtheactualdimensionorposition 3.7 edgetrim componentofthepanel,eitheradher

    27、edormechanicallyfixedtoallfoursidestoprovide protectiontothepanelsandtothefloorcoveringThis standard may only be used and printed by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 5 3.8 element kitthatconsistsofonecompletelyfabricatedpanelsupportedbypedestalstogetherwith o

    28、thercomponentse.g.stringers,conductivepads,etc.fixedasintendedforthefinishedfloor 3.9 finishedfloorheight(FFH) nominalverticaldimensionfromthespecifiedsubfloorleveltothespecifiedfinishedfloor level 3.10 indentation movementoftheindentorintothespecimensurface 3.11 lengthofside overalldimensionofanysi

    29、deofapanel 3.12 manufacturersstatedpanelsize dimensiontowhichthetolerancesareapplied 3.13 nominalpanelsize theoreticaldimensionusedforcommercialdescription 3.14 panel loadbearinghorizontalcomponentoftheaccessfloor.Itissupportedbytheunderstructure (e.g.pedestalsandstringers) 3.15 pedestal verticalcom

    30、ponentorpartoftheelementwhichtransmitstheloadingtothesubfloor 3.16 plenum availablespacebetweentheundersideofthepanelsoftheaccessfloorandthesubfloor 3.17 plenumheight distancebetweenthehighestpointofthesubfloorandthelowestpointoftheundersideof theaccessfloor 3.18 raisedaccessfloor factorymadefloorin

    31、gsystemcomprisingpanelssupportedonunderstructureofpedestals, and/orstringersorothercomponentsasapplicableprovidingaloadbearingstructureforthe fittingoutofabuilding 3.19 safetyfactor thefactorbywhichtheultimateloadisdividedtoestablishtheworkingloadThis standard may only be used and printed by approve

    32、d subscription and freemailing clients of the SABS.EN12825:2001(E) 6 3.20 ultimateload maximumloadatthetimeoffailureoftheelementduringthespecifiedultimateloadtest procedure 3.21 stringer horizontalcomponentconnectingpedestalsthatmaysupportpanels(beams) 3.22 system assemblyofelementsformingacompletei

    33、nstalledraisedaccessfloor 3.23 workingload loadgivenbydividingtheultimateloadbythesafetyfactor(ultimateloadissometimes calledfailureloadandworkingloadissometimescalleddesignloadaswellasnominalload) 4Requirements 4.1 Generalandloadclasses Theultimateloadisthemaincriterionforclassification. Allotherlo

    34、adbearingcharacteristicsarerelatedtotheultimateload. RaisedaccessfloorsareclassifiedaccordingtotheultimateloadasgiveninTable1. Table1Classesofelements Class Ultimateload kN 1 4 2 6 3 8 4 9 5 10 6 12 4.2 Loadbearingcapacity 4.2.1General Theraisedaccessfloorshallbedesignedandmanufacturedinsuchawaythat

    35、itprovides mechanicalresistanceandstabilityandthattheloadingthatisliabletoactuponitduringits intendedusewillnotleadtodeformationorcollapse. 4.2.2 Staticloadingrequirements Theelementwhensubjectedtothetestproceduresasgivenin5.2.1shallmeetthefollowing criteria:This standard may only be used and printe

    36、d by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 7 a)Beforetheelementcollapsesitshallhavewithstoodtherelevantultimateloadfor itsclassasgiveninTable1; b)Whentheloadappliedisequivalenttotheworkingloadwhichistheultimateload dividedbythesafetyfactor,themeasureddeflectionsha

    37、llnotexceedthestated valueinaccordancetoTable2. Twoclassesofthesafetyfactorarespecified:2,0and3,0. Table2Classesofdeflection Class Maximumdeflection,mm A2 , 5 B3 , 0 C4 , 0 4.2.3 Pedestalverticalloadbearingcapacity Theunderstructurehastosupport4timestheworkingloadofthesystemtested. Thepedestalmaynot

    38、becomedistortedordamaged. Testsshallbecarriedoutinaccordancewith5.2.2. 4.2.4 Permanentdeformationafterloading Aftertheapplicationfor30minofatestloadequivalentoftheworkingloadattheweakest pointoftheelement,theresidualdeflection5minaftertheremovaloftheloadshallnotex ceed0,5mmwhentestingaccordingto5.4.

    39、 4.3 Dynamicloadingrequirements 4.3.1 Absorptionofhardbodyimpacts Whererequired,theelementshallsustainthehardbodyimpacttestasdescribedin5.5.1. Thistestshallnotcauseanypartsoftheelementtocollapse,requiringthatthetestresultbe statedonlyifthetesthasbeenperformed. 4.3.2Absorptionofsoftbodyimpacts Wherer

    40、equired,theelementshallsustainthesoftbodyimpacttestasdescribedin5.5.2. Thistestshallnotcauseanypartsoftheelementtocollapse,requiringthatthetestresultbe statedonlyifthetesthasbeenperformed. 4.4 Dimensionaldeviations Thepanelsofaraisedaccessfloorshallbemanufacturedwithindimensionswhichenable theirinte

    41、rchangeability. DeviationsofdimensionsshallnotexceedthevaluesgiveninTable3foroneoftheappro priateclasses.This standard may only be used and printed by approved subscription and freemailing clients of the SABS.EN12825:2001(E) 8 Table3Deviationsonpaneldimensions Deviationinmm Identification class1 Cla

    42、ss2 Lengthofpanelsides,see5.6.3 0,2 0,4 Squarenessofpanel,see5.6.4 0,3 0,5 Straightnessofsideshorizontally, see5.6.5 0,3 0,5 Thicknessofpanelwithoutcovering see5.6.6 0,3 0,5 Thicknessofpanelwithcoverings*, see5.6.6 0,3 0,5 Paneltwist,see5.6.7 0,5 0,7 Verticalwarpingofpanels,see5.6.8 0,3 0,6 Differen

    43、ceinheightbetweenperimeter trimsandpanelsurface,see5.6.9 0,3 0,4 *plusthicknessdeviationoffloorcoveringonlyifmeasured includingcovering 4.5 Protectionagainstcorrosion TheelementshallcomplywithEuropeanstandards,ifexisting,inrespectofprotectionof metallicmaterialsagainstcorrosionifexisting.Intheabsenc

    44、eofsuchstandards,elements shallcomplywithrequirementsvalidintheplaceofuseoftheproduct. 4.6 Peelresistanceoffloorcovering Wherepeelresistanceisrequired,theconnectiontothefloorpanelshallhaveapeelresis tancemorethan0,8N/mm.Thepeelresistanceshallbedeterminedbythetestmethodin accordancewith5.7. 4.7 Reactiontofire Whererequired,theraisedaccessfloorshallbeclassifie


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