版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
EAD330008-02-0601
February2016
ANCHORCHANNELS
©2016
EuropeanAssessmentDocument-EAD330008-02-0601
PAGE
2
/59
ThereferencetitleandlanguageforthisEADisEnglish.TheapplicablerulesofcopyrightrefertothedocumentelaboratedinandpublishedbyEOTA
ThisEuropeanAssessmentDocument(EAD)hasbeendevelopedtakingintoaccountup-to-datetechnicalandscientificknowledgeatthetimeofissueandispublishedinaccordancewiththerelevantprovisionsofRegulation(EU)No305/2011asabasisforthepreparationandissuingofEuropeanTechnicalAssessments(ETA).
©EOTA2016
EuropeanAssessmentDocument-EAD330008-02-0601
PAGE
10
/59
©EOTA2016
Contents
ScopeoftheEAD 4
Descriptionoftheconstructionproduct 4
Channelprofile 4
Anchor-General 4
Anchors,thatareweldedtothechannelback 5
Roundheadedanchorsthatareforgedorboltedtothechannelback 5
Channelbolts(hammer-headandhook-headchannelbolts) 5
Informationontheintendeduseoftheconstructionproduct 8
Intendeduse 8
Workinglife/Durability 11
SpecifictermsusedinthisEAD(ifnecessaryinadditiontothedefinitionsinCPR,Art2) 12
Essentialcharacteristicsandrelevantassessmentmethodsandcriteria 17
Essentialcharacteristicsoftheproduct 17
Methodsandcriteriaforassessingtheperformanceoftheproductinrelationtoessential
characteristicsoftheproduct 18
General 19
Characteristicresistancefortensionunderstaticandquasi-staticloading 27
Characteristicresistanceforshearunderstaticandquasi-staticloading 38
Characteristicresistancefortensionunderstaticandfatiguecyclicloading–testmethods
A1,A2 44
Characteristicresistancefortensionunderfatiguecyclicloading–testmethodB 51
Installationparameters 53
Geometricparameters 53
Displacements 53
Durability 53
Reactiontofire 54
Resistancetofire 54
Assessmentandverificationofconstancyofperformance 54
Systemofassessmentandverificationofconstancyofperformancetobeapplied 54
Tasksofthemanufacturer 54
Tasksofthenotifiedbody 57
Referencedocuments 58
AnnexA1 Theinteractivemethodtodeterminethecharacteristicfatigueresistance A1
AnnexA2 Methodtodeterminethecharacteristicfatigueresistanceasatrilinearfunction A12
AnnexB Methodtodeterminethecharacteristicfatiguelimitresistance A28
SCOPEOFTHEEAD
Descriptionoftheconstructionproduct
ThisEuropeanAssessmentDocument(EAD)coversthesystemofanchorchannelsandappropriatechannelboltsmadeofcarbonsteelorstainlesssteel.
Theconstructionproduct(anchorchannel)consistsofachannelprofilewithtwolipsproducedofcarbonsteelorstainlesssteelandatleasttwometalanchorsonthechannelbackasillustratedin
Fig.1.1
to
Fig.1.4.
Typicalcrosssectionsofchannels,typesofconnectionsbetweenanchorandchannelandanchortypesareshownin
Fig.2.
8to
Fig.2.
10.Theanchorsaremadeofcarbonsteelorstainlesssteelandarefastenedontheanchorchannelatthemanufacturingplantonly.Asmanyanchorsasdesiredarefastenedtotheanchorchannelatconstantdistances.Allanchorsattachedtotheanchorchannelareofthesametype,sizeandembedment.
ThisEADcoversanchorchannelswithasmoothsurfaceofthechannellipsincombinationwithchannelboltswithasmoothsurfaceontheundersideofthechannelboltheadincontactwiththechannel(see
Fig.1.1
).
ThematerialsfortheanchorchannelsarelistedinTable1.2.Iftheanchorchannelconsistsofcomponentsinvolvingdifferentmaterials,thedifferentmaterialsarenoted.
Channelprofile
Thechannelprofileconsistsofcarbonsteelorstainlesssteel.
Thechannelprofilesaremadebyacold-orhot-formingmanufacturingprocess.
Thechannelprofiledimensionsarelimitedbythevaluesgivenin
Table1.1.
Themaximumchannellengthisunlimited.
Table1.1: MinimumandmaximumdimensionsofanchorchannelscoveredbythisEAD.
Channelheighthch
≥15mm
≤51mm
Channelwidthbch
≥25mm
≤76mm
channellengthlch
≥100mm
Anchor-General
TheanchorsareproducedfromcarbonorstainlesssteelinaccordancewithTable1.2.Theyarewelded,boltedorforgedtothechannelback.
Theaxialdistancebetweentheendofthechannelandtheaxisofthenearestanchor,x(see
Fig.1.2
),is≥25mm.
Theaxialspacingbetweenanchors,s(see
Fig.1.2
),isatleast50mm.Themaximumspacings,isnotlargerthan5∙cminor400mm.
Ifmorethantwoanchorsareconnectedtothechannelback,theirspacingshallbeconstant.
ThisEADappliestoanchorsaccordingto
1.1.3
or
1.1.4.
Anchors,thatareweldedtothechannelback
TheanchorsconsistofI-shapedorT-shapedprofilesorroundheadedanchors.Theweldingisperformedinaplantbyanappropriateweldingmethod(methodaccordingtoENISO4063
[8
]).
I-shapedandT-shapedanchorscomplywiththefollowingdimensions(compare
Fig.1.1
a):lengthla≥60mm,webthicknessw≥4mm,widthofanchorheadbh≥14mmandwidth(cuttinglength)10mm≤wA≤50mm.
Roundheadedanchorscomplywiththefollowingdimensions(compare
Fig.1.1
b):lengthla≥30mm,shaftdiameterda≥5mmandheaddiameterdh≥12mm.Theheadisforgedtotheanchorormayconsistofanut,whichisfixednon-detachably.
Roundheadedanchorsthatareforgedorboltedtothechannelback.
Theanchorscomplywiththedimensionsgivenin
1.1.3
(3).
Theanchorsareplacedintoholesinthebackofthechannelandconnectedrigidly.
Channelbolts(hammer-headandhook-headchannelbolts)
Thegeometryofthechannelboltheadfitsintotheinternalshapeofthechannel.
Amarkingattheendofthechannelboltshowsthecorrectplacementofthechannelbolt.
ShapeofshaftandthreadfollowsENISO4018
[9
].
TheindicationofthestrengthclassshallfollowsENISO898-1
[10]
and/orENISO3506-1
[11
].
Thethreaddiameteris≥6mm(M6).
a) anchorchannelwithI-anchorweldedtothe
channelback.
b) anchorchannelwithroundanchor
Fig.1.1: Examplesofanchorchannelswithcorrespondingchannelbolt
Table1.2: Designationsandmaterials
Part
Designation
Material
1
Channel
Steelacc.toEN10025[6]
Steelacc.toEN10149
[18]
Stainlesssteelacc.toEN10088
[7]
2
-Anchor
Steelacc.toEN10025[6]
Stainlesssteelacc.toEN10088
[7]
Roundanchor
Steelacc.toDIN17111
[14]
Steelacc.toEN10263
[15]
Steelacc.toEN10269
[19]
Stainlesssteelacc.toEN10088
[7]
3
Channelbolt
ShaftandthreadformfollowingENISO4018
[9]
Carbonsteel,4.6strengthclass8.8acc.toENISO898
[10]
Stainlesssteel,50strengthclass70followingENISO3506
[11]
4
Washer
Steel,hardnessclass200HV
acc.toENISO7089
[20]
,ENISO7090[26]andENISO7091
[20]
Stainlesssteel,hardnessclass200HV
acc.toENISO7089
[20]
,ENISO7090[26]andENISO7091
[20]
5
Nut
ENISO4032
[16]
and
ENISO4034
[17]
Steel,strengthclass5,6or8,acc.toENISO898-2
[10]
Stainlesssteel,strengthclass50or70acc.toENISO3506-2
[11]
TheproductisnotcoveredbyaharmonisedEuropeanstandard(hEN).
Theproductisnotfullycoveredbythefollowingharmonisedtechnicalspecification:EAD330008-00-0601
Concerningproductpackaging,transport,storage,maintenance,replacementandrepairitistheresponsibilityofthemanufacturertoundertaketheappropriatemeasuresandtoadvisehisclientsonthetransport,storage,maintenance,replacementandrepairoftheproductasheconsidersnecessary.
Itisassumedthattheproductwillbeinstalledaccordingtothemanufacturer’sinstructions.
Relevantmanufacturer’sstipulationshavinginfluenceontheperformanceoftheproductcoveredbythisEuropeanAssessmentDocumentshallbeconsideredforthedeterminationoftheperformanceanddetailedintheETA.
Informationontheintendeduseoftheconstructionproduct
Intendeduse
ThisEADcoversanchorchannelsinstalledinmembersmadeofcompactednormalweightconcreteofstrengthclassesintherangeC12/15toC90/105allinaccordancewithEN206-1.Theanchorchannelisintendedtobeusedincrackedandnon-crackedconcrete.
Theanchorchannelisembeddedsurface-flushintheconcreteasillustratedin
Fig.1.2.
Afixtureisconnectedtotheanchorchannelbychannelbolts(hammerheadorhookheadchannelbolts)withappropriatehexagonnutsandwashersinaccordancewith
Fig.1.2
and
Fig.1.3
.Theinstallationisdescribedinthemanufacturer’sproductinstallationinstruction.Manufacturer’sProductInstallationInstructions(MPII)areclearandprovideallnecessaryinformationforasafeinstallation.
Thefixtureisincontactwiththeconcretesurfaceasshownin
Fig.1.3
a)orisnotincontactwiththeconcretesurface(steel-steelcontactwithnobendingofthechannellipsduringinstallation)asshownin
Fig.1.3
b).
Inapplicationsaccordingto
Fig.1.3
a)(fixtureincontactwithconcrete)aclampingforcebetweenconcreteandfixtureisgeneratedbytighteningthechannelboltwiththeinstallationtorque.
Inapplicationsaccordingto
Fig.1.3
b)itisassumedthatonlyaclampingforcebetweenchannelprofileandfixtureisgeneratedbytighteningthechannelboltwiththeinstallationtorque,becauseofthedirectcontactbetweenfixtureandchannellips.Toensurethecorrectnessoftheseassumptionsthegapbetweenfixtureandconcretesurfaceafterinstallationoftheanchorchannelandprestressingofthechannelboltissufficientlylargetakingintoaccountapossibleunevennessoftheconcretesurface.Therequiredgapbetweenfixtureandconcretesurfaceisensuredbyplacingsuitablesteelparts(e.g.sufficientlylargewashers)betweenchannellipsandfixture.
Applicationsacc.to
Fig.1.3
a)andb)mayhavedifferentvaluesofTinst.ToreporttheinstallationtorqueTinstacc.to
Fig.1.3
a)ismandatoryandacc.
Fig.1.3
b)isoptional.
channelboltwithnutandwasher
Fig.1.2: Exampleofananchorchannelembeddedinaconcretemember
b)
Fig.1.3: Anchorchannelembeddedinconcrete
General:Thefixtureisfastenedtotheconcreteortotheanchorchannelrespectivelyfastenedtoconcreteandanchorchannel.
Steeltosteelcontact:Thefixtureisfastenedtotheanchorchannelbysuitablesteelpart(e.g.washer).
Thedistancebetweentwoormoreanchorchannelsisinsuchawaythatnospacingbetweentwoanchorsofneighboringanchorchannelsislessthanscr,N.
Theanchorchannelisanchoredinconcretebymechanicalinterlockbetweentheanchorandtheconcretemember.
ThisEADcoversanchorchannelunderstaticorquasi-staticloads.Theanchorchannelisusedtotransmittensileloads,shearloadsperpendiculartothelongitudinalchannelaxisorany
combinationoftheseloadsinaccordancewith
Fig.1.4
intotheconcrete.Theshearloadisappliedwithoutorwithleverarminrespecttotheconcretesurface.
ThisEADcoversalsoanchorchannelunderfatigueloadsincombinationwithorwithoutstaticorquasi-staticloads.Theanchorchannelisusedtotransmitonlytensilefatigueloadsinaccordancewith
Fig.1.4
intotheconcrete.Nostaticorquasi-staticshearorfatigueshearloadmaybeappliedinconcomitancewithafatiguetensionload.Apre-conditionfortheassessmentofanchorchannelsunderfatigueloadsisthecompleteassessmentoftheanchorchannelsunderstaticloading.
Loadswithanarbitrarydistanceareappliedatanypositionwithintheoutermostanchorsoftheanchorchannel.
Anyfixtureisfixedtotheanchorchannelusingachannelbolt.
tensionload: z-directionshearload: y-direction
Fig.1.4: AdmissibleloaddirectionscoveredbythisEAD:tensionloads,shearloadperpendiculartothelongitudinalaxisoftheanchorchannelonlyandanycombinationoftheseloads.
ThisEADprovidesassessmentmethodsresultinginperformanceconsistentwith
-EN1992-4
[3]
or
TechnicalReport"CalculationMethodforthePerformanceofAnchorChannels"[4]andforfatigueloadsincombinationwith
TechnicalReport"CalculationMethodforthePerformanceofAnchorChannelsunderfatigueloads"[28]
Note1:SinceEN1992-4hasnotyetbeenpublishedtheTR"CalculationMethodforthePerformanceofAnchorChannels"isintendedtobridgethetimespanuntilthepublicationofEN1992-4.ThedesignmethodgivenintheTR"CalculationMethodforthePerformanceofAnchorChannels"complieswiththefinaldraftofEN1992-4.OnceEN1992-4hasbeenpublishednoETAwillbeissuedwithreferencetothisTechnicalReport.
Note2:Thelinksbetweentestanddesignmethodsacc.TechnicalReport"CalculationMethodforthePerformanceofAnchorChannelsunderfatigueloads"[28]areshowninTable2.4.
Thedesignoftheanchorageisperformedundertheresponsibilityofanengineerexperiencedinanchoragedesignandconcretework.
Workinglife/Durability
TheassessmentmethodsincludedorreferredtointhisEADhavebeenwrittenbasedonthemanufacturer’srequesttotakeintoaccountaworkinglifeoftheanchorchannelfortheintendeduseof50yearswheninstalledintheworks(providedthattheanchorchannelissubjecttoappropriateinstallation(see1.1)).Theseprovisionsarebaseduponthecurrentstateoftheartandtheavailableknowledgeandexperience.
Whenassessingtheproduct,theintendeduseasforeseenbythemanufacturershallbetakenintoaccount.Therealworkinglifemaybe,innormaluseconditions,considerablylongerwithoutmajordegradationaffectingthebasicrequirementsforworks1.
TheindicationsgivenastotheworkinglifeoftheconstructionproductcannotbeinterpretedasaguaranteeneithergivenbytheproductmanufacturerorhisrepresentativenorbyEOTAwhendraftingthisEADnorbytheTechnicalAssessmentBodyissuinganETAbasedonthisEAD,butareregardedonlyasameansforexpressingtheexpectedeconomicallyreasonableworkinglifeoftheproduct.
1Therealworkinglifeofaproductincorporatedinaspecificworksdependsontheenvironmentalconditionstowhichthatworksissubject,aswellasontheparticularconditionsofthedesign,execution,useandmaintenanceofthatworks.Therefore,itcannotbeexcludedthatincertaincasestherealworkinglifeoftheproductmayalsobeshorterthantheworkinglifereferredtoabove.
SpecifictermsusedinthisEAD(ifnecessaryinadditiontothedefinitionsinCPR,Art2)
ThedefinitionsandsymbolsusedinthisEADaregiveninEN1992-4
[3]
andTechnicalReport"CalculationMethodforthePerformanceofAnchorChannels"[4]andbelow.
Achb,h
=
crosssectionofchannelbolthead
[mm²]
=
bchb,htchb,h
NRk,s,ch
=
minimumcharacteristicresistanceofanchorchannelundertensionload
[N]
=
min(NRk,s,l;NRk,s,c;NRk,s,a)
Tcrack
=
torquemoment,atwhichahairlinecrack(crackwithawidth<0,1mm)isobservedatleastatoneanchor.
[Nm]
VRk,s,ch
=
minimumcharacteristicresistanceofanchorchannelundershearload
[N]
=
min(VRk,s,l;VRk,s,c;VRk,s,a)
b1
=
channelopening
Fig.1.1
[mm]
bch
=
channelwidth
Fig.1.1
[mm]
bchb,h
=
widthofheadofchannelbolt
[mm]
bh
=
widthoftheheadoftheI-anchor
Fig.1.1
[mm]
cnom
=
concretecover
Fig.1.2
[mm]
c1,c2
=
edgedistancesoftheanchor
Fig.1.2
[mm]
cI
1
=
netdistancebetweenedgeoftheconcretememberandtheanchorchannel=c1-0,5bch
Fig.1.2
[mm]
d
=
diameterofchannelbolt
Fig.1.1
[mm]
da
=
diameterofroundanchor
Fig.1.1
[mm]
dh
=
diameterofroundanchorhead
Fig.1.1
[mm]
f
=
heightofchannellips
Fig.1.1
[mm]
fc
=
concretecompressionstrengthmeasuredoncylinders
[N/mm2]
fck
=
characteristicconcretecompressionstrengthmeasuredoncylinders
[N/mm2]
fc,test
=
meanconcretecompressionstrengthattimeoftesting
[N/mm2]
h
=
thicknessofconcretemember
Fig.1.2
[mm]
hch
=
channelheight
Fig.1.1
[mm]
hef
=
effectiveembedmentdepth
Fig.1.1
[mm]
hef,min
=
minimumeffectiveembedmentdepth
[mm]
hnom
=
distancebetweenconcretesurfaceandendofembeddedanchor
Fig.1.1
[mm]
la
=
anchorlength
Fig.1.1
[mm]
lchb,h
=
lengthofchannelbolthead
Fig.2.
4
[mm]
s
=
spacingofanchors
Fig.1.2
[mm]
tch
=
thicknessofchannelback,webandlips
Fig.1.1
[mm]
tchb,h
=
heightofchannelbolthead
Fig.1.1
[mm]
th
=
thicknessofanchorhead
Fig.1.1
[mm]
tw
=
webthicknessofI-anchor
Fig.1.1
[mm]
wA
=
width(cuttinglength)ofI-anchor
[mm]
x = endspacing(distancebetweenendofchannelandaxisofnearestanchor)
Fig.1.2
[mm]
= angleofanchorhead45°
Fig.1.1
[°]ccr,N = characteristicedgedistanceforensuringthetransmissionof
thecharacteristicresistanceofasinglefastenerundertensionload
scr,N =characteristicspacingforensuringthetransmissionofthecharacteristicresistanceofasinglefastenerundertensionload(2ccr,N)
[mm]
[mm]
ccr,sp =characteristicedgedistanceincaseofsplittingunderload [mm]scr,sp =characteristicspacingincaseofsplittingunderload(2ccr,sp) [mm]smax =maximumspacingbetweenanchors [mm]
smin =mimimumspacingbetweenanchors [mm]
smin,cbo=mimimumspacingbetweenchannelbolts [mm]
cmin =mimimumedgedistance [mm]
𝑎 =axisinterceptofregressionlineMV1 [-]
𝑎 = positivedimensionlessnumberfortheS/N-curve [-]
𝑎𝑘 = axisinterceptof5%-quantilelimit1 [-]
𝑎𝑘,𝑟𝑒𝑑 = axisinterceptofreduced5%-quantilelimit1 [-]
𝑎𝑠 = axisinterceptofdisplacementregressionlineforonearea [mm]
𝑎𝑥 = axisinterceptofregressionline21 [-]
𝑎𝑦 = axisinterceptofregressionline11 [-]
𝑏 = slopeofregressionlineMV1 [-]
𝑏 = positivedimensionlessnumberfortheS/N-curve [-]
𝑏𝑘 = slopeof5%-quantilelimit1 [-]
𝑏𝑠 = slopeofdisplacementregressionlineforonearea [mm]
𝑏𝑥 = slopeofregressionline21 [-]
𝑏𝑦 = slopeofregressionline11 [-]
𝑒𝑖 = residuum1 [-]
𝑘ℎ,𝑝,1−𝛼 = OWENfactor;h:totalnumberoffatiguecyclictestresults;p:
5%-quantile(p=0.05);1-α:levelofconfidenceof90%(1-α
=0.9)
[-]
𝑘𝑛,𝑝,1−𝛼
=
OWENfactor;n:numberofstatictestresults;p:5%-quantile(p
=0.05);1-α:levelofconfidenceof90%(1-α=0.9)
𝑘𝑟,𝑝,1−𝛼
=
OWENfactor;r:numberoffatiguecyclictestresultsinfinitelifefatiguearea;p:5%-quantile(p=0.05);1-α:levelofconfidence
of90%(1-α=0.9)
1valueusinglogarithmicscalingforabscissa(numberofcycles𝑛)andordinate(rangeofforce∆𝑆)
[-]
[-]
𝑙
=
attemptwithhighestloadrangebelongingtofatiguelifearea
[-]
𝑚
=
attemptwithlowestloadrangebelongingtofatiguelifearea
[-]
ℎ
=
firstrun-outattempt(testmethodA2)
[-]
ℎ
=
totalnumberoffatiguecyclictestresults(testmethodA1)
[-]
𝑛
=
numberofcycles
[-]
𝑛𝑖
=
numberofcyclesofthecrosssectionforeverystepi
[-]
𝑛𝐼
=
numberofcyclesincrosssection𝑛𝐼
[-]
𝑛𝐼𝐼
=
numberofcyclesincrosssection𝑛𝐼𝐼
[-]
𝑛𝐷
=
numberofcycles,transitionfromfinitefatiguelifetofatiguelimitresistance
[-]
𝑛̇
=
numberofcyclesincentroidoftestresultscatterforonearea,regardingtheupperlimit𝑆𝑜𝑖ofasinusoidalloadprocess
[-]
𝑛̇𝐴
=
numberofcyclesincentroidoftestresultscatterforareaA
[-]
𝑛̇𝐵
=
numberofcyclesincentroidoftestresultscatterforareaB
[-]
𝑛̇𝐶
=
numberofcyclesincentroidoftestresultscatterforareaC
[-]
𝑛̇𝑗
=
numberofcyclesincentroidoftestresultscatterforeachthreeresults
[-]
𝑛𝑙𝑖𝑚
=
limitnumberofcycles
[-]
𝑛𝑙𝑖𝑚,𝑎
=
limitnumberofcyclesfortestmethodA2
[-]
𝑛𝑙𝑖𝑚,𝑢
=
lowerlimitofthelimitnumberofcycles𝑛𝑙𝑖𝑚interval
[-]
𝑛̅𝑟
=
averagenumberofcyclesfromreferenceattempts
[-]
𝑛𝑅𝑇,𝑚𝑖𝑛
=
minimumnumberofcyclesforrun-outtest
[-]
r
=
numberoffatiguecyclictestresultsinfinitelifefatiguearea
[-]
𝑠̂
=
standarddeviationofstatictestresults
[N]
𝑠̂̇
=
averagestandarddeviation
[N]
𝑠̂̇2
=
averagevariance
[-]
𝑠̂̇𝐴
=
averagestandarddeviationofareaA
[N]
𝑠̂̇𝐵
=
averagestandarddeviationofareaB
[N]
𝑠̂̇𝐶
=
averagestandarddeviationofareaC
[N]
𝑠̂𝑗̇
=
averagestandarddeviationforeachthreeresults
[N]
𝑠̂̇2
𝑗
=
averagevarianceforeachthreeresults
[-]
𝑠̂𝐼
=
standarddeviationinthecrosssections𝑛𝐼
[N]
𝑠̂𝐼𝐼
=
standarddeviationinthecrosssections𝑛𝐼𝐼
[N]
𝑠̇𝑜
=
displacementincentroidoftestresultscatterforonearea,regardingtheupperlimit𝑆𝑜𝑖ofasinusoidalloadprocess
[mm]
𝑠𝑜,𝑖
=
displacementofthecrosssection,regardingtheupperlimit
𝑆𝑜𝑖ofasinusoidalloadprocess,foreverystepi
[mm]
𝑆
=
meanvalueofstatictestresults
[N]
𝑆𝑑
=
designvalueofstaticresistance
[N]
𝑆𝑘
=
characteristicstaticresistance
[N]
𝑆𝑜𝑖
=
upperlevelofthesinusoidalcourse
[N]
𝑠̂𝑟
=
averagestandarddeviationfromreferenceattempts
[N]
𝑆𝑢
=
lowerlevelofthesinusoidalcourse
[N]
𝑥
=
x-valueofexperimentalpairofvalues2
[-]
𝑥̇
=
x-valueofthecentroidoftestresultscatter2
[-]
𝑥𝐼
=
numberofcyclesincrosssection𝑛𝐼2
[-]
𝑥𝐼𝐼
=
numberofcyclesincrosssection𝑛𝐼𝐼2
[-]
𝑥𝐷
=
numberofcycles,transitionfromfinitefatiguelifetofatiguelimitresistance2
[-]
𝑦
=
y-valueofexperimentalpairofvalues2
[-]
𝑦̇
=
y-valueofthecentroidoftestresultscatter2
[-]
𝑦𝐼,95%
=
95%-quantile(loadrange)incrosssection𝑛𝐼2
[-]
𝑦𝐼𝐼,95%
=
95%-quantile(loadrange)incrosssection𝑛𝐼𝐼2
[-]
𝑦𝐼,𝑘
=
5%-quantile(loadrange)incrosssection𝑛𝐼2
[-]
𝑦𝐼𝐼,𝑘
=
5%-quantile(loadrange)incrosssection𝑛𝐼𝐼2
[-]
𝑦𝐼,𝑘,𝑟𝑒𝑑
=
reduced5%-quantile(loadrange)incrosssection𝑛𝐼2
[-]
𝑦𝐷
=
characteristicfatiguelimitresistance2
[-]
𝛾𝑀
=
materialsafetyfactorforstaticresistance
[-]
𝛾𝑀,𝑓𝑎𝑡
=
materialsafetyfactorforfatigueresistance
[-]
𝛾𝑀,𝑓𝑎𝑡,𝑛
=
materialsafetyfactorforfatigueresistanceinthetransitionareafromthestaticresistancetothefatiguelimitresistance
[-]
∆𝑆
=
distancebetweentheloadlevels
[N]
∆𝑆
=
meanloadrangeforfatigueresistance
[N]
∆𝑆
=
loadrangeofaverageregressionline
[N]
∆𝑆̇
=
loadrangeofthecentroidoftestresultscatter
[N]
∆𝑆𝑎
=
loadlevelofattemptaforqualitycontrol
[N]
∆𝑆𝐴̇̅
=
meanvalueofareaA
[N]
∆𝑆𝐴̇,5%
=
5%-quantileofareaA
[N]
∆𝑆𝑏
=
loadlevelofattemptbforqualitycontrol
[N]
∆𝑆̇𝐵̅
=
meanvalueofareaB
[N]
∆𝑆̇𝐵,5%
=
5%-quantileofareaB
[N]
2logarithmicvalue
∆𝑆𝑐
=
loadlevelofattemptcforqualitycontrol
[N]
∆𝑆̇𝐶̅
=
meanvalueofareaC
[N]
∆𝑆̇𝐶,5%
=
5%-quantileofareaC
[N]
∆𝑆𝐼
=
loadrangeofaverageregressionlineincrosssection𝑛𝐼
[N]
∆𝑆𝐼𝐼
=
loadrangeofaverageregressionlineincrosssection𝑛𝐼𝐼
[N]
∆𝑆𝐷
=
meanloadrangeoffatiguelimitresistance
[N]
∆𝑆𝑓𝑎𝑖𝑙
=
failedordamagedspecimenwithlowestloadrange
[N]
∆𝑆𝑗̇
=
meanvalueofthecrosssectionforeverystepj
[N]
∆𝑆𝑗̇,5%
=
5%-quantileincrosssection𝑛𝑗
[N]
∆𝑆𝐼,5%
=
loadrangeof5%-quantileincrosssection𝑛𝐼
[N]
∆𝑆𝐼𝐼,5%
=
loadrangeof5%-quantileincrosssection𝑛𝐼𝐼
[N]
∆𝑆𝐼,95%
=
loadrangeof95%-quantileincrosssection𝑛𝐼
[N]
∆𝑆𝐼,95%
=
loadrangeof95%-quantileincrosssection𝑛𝐼𝐼
[N]
∆𝑆𝐼,𝑑
=
designvalueincrosssection𝑛𝐼
[N]
∆𝑆𝐼,𝑘
=
characteristicfatigueresistanceincrosssection𝑛𝐼
[N]
∆𝑆𝐼𝐼,𝑘
=
characteristicfatigueresistanceincrosssection𝑛𝐼𝐼
[N]
∆𝑆𝐼,𝑘,𝑟𝑒𝑑
=
reducedcharacteristicfatigueresistanceincrosssection𝑛𝐼
[N]
∆𝑆𝐷,𝑑
=
designvalueoffatiguelimitresistance
[N]
∆𝑆𝐷,𝑘
=
characteristicfatiguelimitresistance
[N]
∆𝑆≈
𝐷
=
estimatedvalueofthefatiguelimitresistance
[N]
∆𝑆𝑖
=
loadlevelofthecrosssectionforeverystepi
[N]
∆𝑆𝑖
=
meanvalueofthecrosssectionforeverystepi
[N]
∆𝑆𝑅𝑇
=
loadlevelforrun-outtest
[N]
∆∆𝑆𝑖
=
residualofthecrosssectionforeverystepi
[N]
ƞ𝐴
=
reductionfactorformeanloadrangeoffatiguelimitresistance
[-]
𝜂𝐼
=
factorfordeterminationof𝑣𝐼
[-]
𝜂𝐼𝐼
=
factorfordeterminationof𝑣𝐼𝐼
[-]
𝜂𝐼,𝑏
=
multiplierfordeterminationof𝑣𝐼
[-]
𝜂𝐼𝐼,𝑏
=
multiplierfordeterminationof𝑣𝐼𝐼
[-]
𝜂𝐼,𝑟𝑒𝑑
=
reductionfactorfor5%-quantileincrosssection𝑛𝐼
[-]
𝜂𝐼,𝑣̇
=
multiplicandfordeterminationof𝑣𝐼
[-]
𝜂𝐼𝐼,𝑣̇
=
multiplicandfordeterminationof𝑣𝐼𝐼
[-]
𝑣̇
=
averagecoefficientofvariation
[%]
𝑣𝐼
=
coefficientofvariationincrosssection𝑛𝐼
[%]
𝑣𝐼𝐼
=
coefficientofvariationincrosssection𝑛𝐼𝐼
[%]
ESSENTIALCHARACTERISTICSANDRELEVANTASSESSMENTMETHODSANDCRITERIA
Essentialcharacteristicsoftheproduct
Table2.1showshowtheperformanceoftheanchorchannelisassessedinrelationtotheessentialcharacteristics.
Table2.1 Essentialcharacteristicsoftheproductandmethodsandcriteriaforassessingtheperformanceoftheproductinrelationtothoseessentialcharacteristics
No
Essentialcharacteristic
Assessmentmethod
Typeofexpressionofproductperformance
BasicWorksRequirement1:Mechanicalresistanceandstability
1
Characteristicresistancefortensionunderstaticandquasi-staticloading
2.2.2
Description
(NRk,s,a,NRk,s,c,N0Rk,s,l,MRk,s,flex,NRk,s,
NRk,p,sl,N,kcr,N,kucr,N,hef,min,ccr,sp,scr,sp)
2
Characteristicresistanceforshearandcombinedtensionandshearunderstaticandquasi-staticloading
2.2.3
Description
(VRk,s,a,VRk,s,c,V0Rk,s,l,VRk,s,sl,V,kcr,V,kucr,V,k8,M0Rk,s,k13,k14)
3
Characteristicresistancefortensionunderfatigueloading
2.2.4or2.2.5
Description
(NRk,s;0;n,NRk,c;0;n,NRk,p;0;n,NRk,s;0;∞,
NRk,s;0;∞)
4
Displacements
2.2.8
Description
(N0,N∞,V0,V∞)
5
Durability
2.2.9
Description
BasicWorksRequirement2:Safetyincaseoffire
6
Reactiontofire
2.2.10
Class
7
Resistancetofire
2.2.11
Description
(NRk,s,fi,VRk,s,fi,ccr,N,fi,scr,N,ficmin,fi,smin,fi)
Methodsandcriteriaforassessingtheperformanceoftheproductinrelationtoessentialcharacteristicsoftheproduct
Characterisationofanchorchannelstobeassessedshallbedoneinaccordancewithavailablespecifications,notablytheanchorchannelshallbecharacterisedaccordingtoTable2.2.
ThesubjectofthereferencestotherequiredcontentoftheETAconcerningtheperformanceoftheproductisthemethodofdeclaringtheproductperformance.Thisjustappliesifthemanufacturerwishestodeclaresuchperformance.
Table2.2Materialanddimensionsoftheproduct
No
Productproperty
Testingprocedure
(1)
(2)
(3)
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2026年环保智能油烟处理系统创新报告
- 2026年预制菜行业冷链物流成本控制创新报告
- 2026年环保设施维修合同三篇
- 制冷机组冷凝器水垢处理指南
- 肾上腺髓质素在卵巢癌中的表达及其对ERK活性的影响研究
- 肺腺癌吉非替尼治疗疗效预测的分子生物学解码与临床应用
- 肺癌早期miRNA生物标志物组合的计算识别与临床价值探究
- 护理心理教育的学生心理健康教育
- VR主题公园运营合同协议2026年
- 肥城市食管鳞癌衍变阶段:危险因素剖析与生物标志物探寻
- DB11T 3032-2022 水利工程建设质量检测管理规范
- 媒体创意经济:玩转互联网时代学习通超星期末考试答案章节答案2024年
- 工程造价咨询服务投标方案(技术方案)
- GB/T 44299-2024探测器探测范围的测量方法和声明用于大和小运动探测的被动式红外探测器
- 《交通监控系统》课件
- 27.2.2相似三角形的性质教学设计人教版九年级数学下册
- GSTGM9000图形显示装置软件用户手册
- 明管结构计算书(Excel)
- 2023年同等学力申硕经济学综合历年真题及答案
- 《社会工作实务》初级社会工作师
- 环境规划学课后习题答案
评论
0/150
提交评论