【英文标准名称】:Plastics.Determinationofdynamicmechanicalproperties.Generalprinciples
【原文标准名称】:塑料.动态机械特性测定通则
【标准号】:BSENISO6721-1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Definitions;Deformation;Determination;Dynamic;Generalconditions;Generalsection;Materialstesting;Mathematicalcalculations;Mechanicalproperties;Modulusofelasticity;Plastics;Properties;Rigid;Rigidity;Testspecimens;Testing;Vibration;Viscoelasticity
【摘要】:ThevariouspartsofISO6721specifymethodsforthedeterminationofthedynamicmechanicalpropertiesofrigidplasticswithintheregionoflinearviscoelasticbehaviour.ThispartofISO6721isanintroductorysectionwhichincludesthedefinitionsandallaspectsthatarecommontotheindividualtestmethodsdescribedinthesubsequentparts.Differentdeformationmodesmayproduceresultsthatarenotdirectlycomparable.Forexample,tensilevibrationresultsinastresswhichisuniformacrossthewholethicknessofthespecimen,whereasflexuralmeasurementsareinfluencedpreferentiallybythepropertiesofthesurfaceregionsofthespecimen.Valuesderivedfromflexural-testdatawillbecomparabletothosederivedfromtensile-testdataonlyatstrainlevelswherethestress-strainrelationshipislinearandforspecimenswhichhaveahomogeneousstructure.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforExternalSealingBandsforConcretePipe,Manholes,andPrecastBoxSections(Metric)
【原文标准名称】:非圆形混凝土涵管,雨水管和污水管用外部密封带规格(米制)
【标准号】:ASTMC877M-2002(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:C13.08
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bands;external;concretepipe;joints;Culvertpipe(concrete)--specifications;Externalsealingbands;Insulatingspecimens--specifications;Manholematerials/applications--specifications;Precastconcreteproducts--specifications;Sealingbands;Sewer
【摘要】:1.1ThisspecificationcoversexternalsealingbandstobeusedinconjunctionwithconcretepipeasdefinedinTerminologyC822andconformingtoSpecificationsC14M,C76M,C412M,C478M,C506M,C507M,C655M,C985M,C1417M,andC1433M.1.1.1TypeI,RubberandMasticBands.1.1.2TypeII,PlasticFilmandMeshReinforcedMasticBands.1.1.3TypeIII,ChemicallyBondedAdhesiveButylBands.1.2ThisspecificationisthemetriccounterpartofSpecificationC877.Note18212;Thisspecificationcoversonlythedesignandmaterialofthesealingbands.Sealingbandscoveredbythisspecificationareadequate,whenproperlyinstalled,forexternalhydrostaticpressuresupto90kPa,(9.14m)withoutleakage.Theamountofinfiltrationorexfiltrationflowinaninstalledpipelineisdependentuponmanyfactorsotherthanthesealingbands;allowablequantitiesandsuitabletestingoftheinstalledpipelineandsystemmustbecoveredbyotherspecifications.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_80
【页数】:6P.;A4
【正文语种】:英语