EN 14987-2006 塑料.评估废水处理场生物降解能力.最终验收和规范
时间:2024-05-20 13:37:59 来源: 标准资料网 作者：标准资料网 阅读：9003
【英文标准名称】:Plastics-Evaluationofdisposabilityinwastewatertreatmentplants-Testschemeforfinalacceptanceandspecifications;EnglishversionofDINEN14987:2007-02
【原文标准名称】:塑料.评估废水处理场生物降解能力.最终验收和规范
【标准号】:EN14987-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:有效性;生物降解能力;定义;名称与符号;扩散;评定;分馏法;检验;检验规范;塑料;污染控制;特性;排水工程;污水处理;污水处理工厂;溶解度;规范(验收);试验报告;试验;水溶解度;水溶解
【英文主题词】:Availability;Biodegradability;Definition;Definitions;Designations;Dispersing;Evaluations;Fractionation;Inspection;Inspectionspecification;Plastics;Pollutioncontrol;Properties;Sewageengineering;Sewagetreatment;Sewagetreatmentworks;Solubility;Specification(approval);Testreports;Testing;Watersolubility;Watersoluble
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:13_060_30
【页数】:11P.;A4
【正文语种】:英语
Product Code:SAE AS150201
Title:Pin - Lock, Steel
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:StandardTestMethodsforStructuralPanelsinTension
【原文标准名称】:胶合板承受拉力的标准试验方法
【标准号】:ASTMD3500-1990(2003)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;胶合板;试验;木材;抗拉强度
【英文主题词】:panels;structuralpanels;tensileproperties;wood-based
【摘要】:Thesetestmethodsdeterminethetensilepropertiesofstructuralpanelsinresponsetostressesactingintheplaneofthepanel.TestMethodA8212;Thistestmethodissuitedtomaterialthatisuniformwithrespecttotensileproperties.Itisnormallyappliedtostructuralpanelsandplywoodofclear,straight-grainedveneers.Itmayalsobeusedtoevaluatethestrengthofscarfandfingerjointsandothermanufacturingprocessvariablesthatcanbeexpectedtoinfluencethetensilepropertiesofstructuralpanelsinauniformmanneracrossthewidthofthesheet.TestMethodB8212;Thistestmethodemployslargetestspecimensandrespondswelltoallmanufacturingvariablesandgrowthcharacteristicsthataffectthetensilepropertiesofstructuralpanels.Itisrecommendedthatwherecomparisonsaretobemadethatthesametestmethodandspecimensizebeusedthroughout.Thisisbecausethevolumeofmaterialincludedinatestspecimencaninfluencethetensilestrengthregardlessofwhetherthematerialpropertiesareuniformthroughoutthesheetorvarywidelyduetothepresenceofgrowthormanufacturingfeatures.1.1Thesetestmethodscoverthedeterminationofthetensilepropertiesofstructuralpanels.1.2Structuralpanelsinuseincludeplywood,waferboard,orientedstrandboardandcompositesofveneer,andotherwood-basedlayers.1.3TestMethodA,TensileTestforSmallSpecimens:1.3.1Thistestmethodemployssmallspecimensthatshouldhaveareducedcrosssectionatthecenteroftheirlengthtoavoidfailureinthegriparea.Thetransitionfromfullwidthofspecimentoreducedsectionatthecentershouldbegradualtominimizestressconcentration.1.3.2Whenthemeasurementsofelasticpropertiesaretobemade,thelengthofthereducedcrosssectionatthecentershouldbeofsufficientlengthtoaccommodateanextensometer.1.4TestMethodB,TensileTestforLargeSpecimens:1.4.1Thistestmethodemployslargespecimensandrespondswelltomanufacturingvariables,plywoodgrowthcharacteristics,andotherdefectsinfluencingthetensilepropertiesofstructuralpanels.1.4.2Thetestspecimensarelargeenoughtocontainthemaximumsizeddefectsfoundinplywoodpanels.Thetestspecimenshaveaconstantcrosssectionsincethesizeandlocationofdefectscontrolthelocationoffailuresandtheeffectofstressconcentrationatthegripsisovershadowed.1.4.3Thistestmethodisrecommendedforthefollowing:1.4.3.1Comparativetestsofstructuralpanels,1.4.3.2Determiningtheinfluenceofanyspecificstrengthreducingdefectsonthetensilepropertiesofstructuralpanels,1.4.3.3Determinationoftensilepropertiesofplywoodandcompositescontainingveneerwithgrowthandmanufacturingcharacteristics.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_10
【页数】:6P.;A4
【正文语种】: