DIN ISO 3384-2008 硫化橡胶或热塑性橡胶.室温及更高温度下压缩应力松弛的测定
时间:2024-04-29 00:10:01 来源: 标准资料网 作者：标准资料网 阅读：9385
【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofstressrelaxationincompressionatambientandatelevatedtemperatures(ISO3384:2005);EnglishversionofDINISO3384:2008-07
【原文标准名称】:硫化橡胶或热塑性橡胶.室温及更高温度下压缩应力松弛的测定
【标准号】:DINISO3384-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-07
【实施或试行日期】:
【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】:室温;压缩;压缩永久变形;压缩测试;压缩试验;压缩应力;定义;尺寸;弹性体;材料测试;精密度;压力;压力试验;松弛试验;橡胶;橡胶技术;应变;应力;应力松弛;温度;试验持续时间;试验设备;试样;试验温度;测试;热塑性的;热塑性聚合物;厚度测量;加压;粘痰型;硫化材料;硫化橡胶
【英文主题词】:Ambienttemperature;Compression;Compressionset;Compressiontesting;Compressiontests;Compressivestress;Definition;Definitions;Dimensions;Elastomers;Materialstesting;Precision;Pressure;Pressuretests;Relaxationtests;Rubber;Rubbertechnology;Strain;Stress;Stressrelaxation;Temperature;Testduration;Testequipment;Testspecimens;Testtemperatures;Testing;Thermoplastic;Thermoplasticpolymers;Thicknessmeasurement;Upsetting;Viscoelasticity;Vulcanizedmaterials;Vulcanizedrubber
【摘要】:ThisInternationalStandardspecifiestwomethodsfordeterminingthedecreaseincounterforceexertedbyatestpieceofvulcanizedorthermoplasticrubberwhichhasbeencompressedtoaconstantdeformationandmaintainedthusatapredeterminedtesttemperature.Twoformsoftestpiecearepermitted:cylindricaltestpiecesandrings.Differentshapesandsizesoftestpiecegivedifferentresults,andcomparisonofresultsshouldbelimitedtotestpiecesofsimilarsizeandshape.Theuseofringtestpiecesisparticularlysuitableforthedeterminationofstressrelaxationinliquidenvironments.Testingattemperaturesbelowstandardlaboratorytemperatureisnotspecified.ThemethodshavebeenusedforIow-temperaturetesting,buttheirreliabilityundertheseconditionsisnotproven.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforInstallationofMachineSpiralWoundPoly(VinylChloride)(PVC)LinerPipeforRehabilitationofExistingSewersandConduits
【原文标准名称】:现有排水沟和管道修复用机械螺旋缠绕聚氯乙烯(PVC)内衬管安装的标准实施规程
【标准号】:ASTMF1741-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F17.67
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:expandable;gravityapplications;installation-insertion;PVCprofilestrip;rehabilitation;spiralwoundlinerpipe;Installation--plasticpipematerials/applications;Rehabilitation--sewerlines;Undergroundinstallation--watersupply/distribut
【摘要】:Thispracticeisforusebydesignersandspecifiers,regulatoryagencies,owners,andinspectionorganizationswhoareinvolvedintherehabilitationofnon-pressuresewersandconduits.Modificationsmayberequiredforspecificjobconditions.1.1Thispracticedescribestheproceduresfortherehabilitationofsewerlinesandconduitsforexistingpipelines6to180in.indiameterbytheinsertionofamachine-madefield-fabricatedspiralwoundlinerpipeintotheexistingpipelineusingawindingmachinewhichremainsstationaryintheinsertionpitor,alternatively,whichtravelsalongtheinterioroftheexistingpipeline.Theserehabilitationprocessescanbeusedinavarietyofgravityapplicationssuchassanitarysewers,stormsewers,culverts,andprocesspiping.1.1.1Whenusingstationaryinstallationequipmentforexistingpipelines6to48in.,afterinsertion,thespiralwoundlinerpipeisexpandeduntilitpressesagainsttheinteriorsurfaceoftheexistingpipeline.Alternatively,forexistingpipelines6to108in.indiameter,thespiralwoundlinerpipeisinsertedasafixeddiameterintotheexistingpipelineandisnotexpanded,andtheannularspacebetweenthespiralwoundlinerpipeandtheexistingpipeisgrouted.1.1.2Whenusingthetravelinginstallationequipmentforexistingpipelines6to180in.thespiralwoundlinerpipeisinstalledincontactwiththeinteriorsurfaceoftheexistingpipelinetoformaclosefitliner,exceptinthecornersofrectangularpipesorwhereobstructionsoroffsetsoccur.Alternatively,forexistingpipelines6to180in.indiameterandforsimilarsizedexistingnoncircularpipelinessuchasarchedorovalorrectangularshapes,thespiralwoundlinerisinstalledasafixeddiameterintotheexitingpipelinetoformanon-closefitlinerandtheannularspacebetweenthespiralwoundlinerpipeandtheexistingpipeisgrouted.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3.1Particularattentionisdrawntothosesafetyregulationsandrequirementsinvolvingenteringintoandworkinginconfinedspaces.
【中国标准分类号】:Q81
【国际标准分类号】:83_080_20
【页数】:9P.;A4
【正文语种】:英语