DIN EN 12572-3-2009 人造攀登结构.第3部分:攀登支撑点用安全性要求和试验方法

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【英文标准名称】:Artificialclimbingstructures-Part3:Safetyrequirementsandtestmethodsforclimbingholds;EnglishversionofDINEN12572-3:2009-01
【原文标准名称】:人造攀登结构.第3部分:攀登支撑点用安全性要求和试验方法
【标准号】:DINEN12572-3-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-01
【实施或试行日期】:2009-01-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:人工的;攀登器材;爬高装置;攀登结构;定义;设备安全;手柄;制造商提供的信息;体育与娱乐设备;作标记;游乐设备;安全工程;安全要求;规范(验收);体育运动;体育器材;试验
【英文主题词】:Artificial;Climbingapparatus;Climbingdevices;Climbingstructures;Definition;Definitions;Equipmentsafety;Handles;Informationsuppliedbythemanufacturer;Leisureequipment;Marking;Recreationalequipment;Safetyengineering;Safetyrequirements;Specification(approval);Sports;Sportsequipment;Testing
【摘要】:ThisEuropeanStandardspecifiesthesafetyrequirementsandtestmethodsforclimbingholds.ThisEuropeanStandardisapplicabletoclimbingholds,whichareusedforthenaturalprogressionoftheclimber,i.e.withouttheuseofartificialmeans(e.g.iceaxes,crampons,hooks,nuts)onartificialclimbingstructures(ACS)andboulderingwalls.ClimbingholdsaredesignedtobemountedontheACSwithbolts,screwsetc.Climbingholdsincludelargevolumesorfeaturesthataredesignedforusewithoutadditionalclimbingholdsbeingattachedtothem.(VolumesorfeaturesthataredesignedforusewithadditionalclimbingholdsattachedtothemshouldmeettherequirementsofEN12572-1)ThemainfixationpointsforclimbingholdsformspartoftheexistinglayoutoftheACSandareconsideredinEN12572-1andEN12572-2.Aholdisnotabelayanchorsystem;itisnotdesignedtoaccommodatethelatterandisthereforeisnotintendedforbelayingtheclimber.IfaholdisdesignedasbelaypointitshouldmeetEN12572-1andEN12572-3ofthestandard.ThisEuropeanStandardisnotapplicabletoiceclimbing,drytoolingandplaygroundequipment.
【中国标准分类号】:Y55
【国际标准分类号】:97_220_10
【页数】:11P.;A4
【正文语种】:英语

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上一篇: DIN EN 13297 Berichtigung 1-2009 铺地织物.针织绒面地板覆盖物的分类.技术勘误DINEN13297-2007
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【英文标准名称】:StandardTestMethodforMicroscopicalDeterminationofParametersoftheAir-VoidSysteminHardenedConcrete
【原文标准名称】:硬化混凝土中的空腔系统的参数的显微镜检验的标准试验方法
【标准号】:ASTMC457/C457M-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C09.65
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aircontent;airvoidparametersofhardenedconcrete;area-preparedsurfacerequired;averagechord-lengthofvoids;determinationofair-voidparameters;entrainedvoid;entrappedvoid;gritsforlappinghardenedconcrete;indexpoint;lapping;lengtho
【摘要】:Theparametersoftheair-voidsystemofhardenedconcretedeterminedbytheproceduresdescribedinthistestmethodarerelatedtothesusceptibilityofthecementpasteportionoftheconcretetodamagebyfreezingandthawing.Hence,thistestmethodcanbeusedtodevelopdatatoestimatethelikelihoodofdamageduetocyclicfreezingandthawingortoexplainwhyithasoccurred.Thetestmethodcanalsobeusedasanadjuncttothedevelopmentofproductsorproceduresintendedtoenhancetheresistanceofconcretetocyclicfreezingandthawing(1).Valuesforparametersoftheair-voidsystemcanbeobtainedbyeitheroftheproceduresdescribedinthistestmethod.Noprovisionismadefordistinguishingamongentrappedairvoids,entrainedairvoids,andwatervoids.Anysuchdistinctionisarbitrary,becausethevarioustypesofvoidsintergradeinsize,shape,andothercharacteristics.Reportsthatdomakesuchadistinctiontypicallydefineentrappedairvoidsasbeinglargerthan1mminatleastonedimensionbeingirregularinshape,orboth.Thehoney-combingthatisaconsequenceofthefailuretocompacttheconcreteproperlyisonetypeofentrappedairvoid(9,10).Watervoidsarecavitiesthatwerefilledwithwateratthetimeofsettingoftheconcrete.Theyaresignificantonlyinmixturesthatcontainedexcessivemixingwaterorinwhichpronouncedbleedingandsettlementoccurred.Theyaremostcommonbeneathhorizontalreinforcingbars,piecesofcoarseaggregateandaschannelwaysalongtheirsides.Theyoccuralsoimmediatelybelowsurfacesthatwerecompactedbyfinishingoperationsbeforethecompletionofbleeding.Applicationofthepaste-airratioprocedureisnecessarywhentheconcreteincludeslargenominalmaximumsizeaggregate,suchas50mm[2in.]ormore.Preparedsectionsofsuchconcreteshouldincludeamaximumofthemortarfraction,soastoincreasethenumberofcountsonairvoidsortraverseacrossthem.Theratioofthevolumeofaggregatetothevolumeofpasteintheoriginalmixmustbeaccuratelyknownorestimatedtopermitthecalculationoftheair-voidsystemsparametersfromthemicroscopicallydeterminedpaste-airratio.Note18212;Theair-voidcontentdeterminedinaccordancewiththistestmethodusuallyagreescloselywiththevaluedeterminedonthefreshconcreteinaccordancewithTestMethodsC138/C138M,C173/C173M,orC231(11).However,significantdifferencesmaybeobservedifthesampleoffreshconcreteisconsolidatedtoadifferentdegreethanthesamplelaterexaminedmicroscopically.Forconcretewitharelativelyhighaircontent(usuallyover7.5%),thevaluedeterminedmicroscopicallymaybehigherbyoneormorepercentagepointsthanthatdeterminedbyTestMethodC231.1.1Thistestmethoddescribesproceduresformicroscopicaldeterminationsoftheaircontentofhardenedconcreteandofthespecificsurface,voidfrequency,spacingfactor,andpaste-airratiooftheair-voidsysteminhardenedconcrete(1).Twoproceduresaredescribed:1.1.1ProcedureA,thelinear-traversemethod(2,3).1.1.2ProcedureB,t......
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:15P.;A4
【正文语种】:英语

Product Code:SAE AMS4976
Title:Titanium Alloy, Forgings, 6.0al 2.0sn 4.0zr 2.0mo, Solution and Precipitation Heat Treated
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of forgings and forging stock.