【英文标准名称】:Damplants;floodretardingbasins
【原文标准名称】:蓄水设施.蓄洪水库
【标准号】:DIN19700-12-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数学计算;保水与水流工程;计划;水力(利)工程;泰罗制;滞洪水库;建设工程;结构设计;建筑;施工工程作业;洪水;洪水;施工;建设;水库;设计;规范(批准);水坝建筑;水坝
【英文主题词】:
【摘要】:
【中国标准分类号】:P56
【国际标准分类号】:93_160
【页数】:10P;A4
【正文语种】:德语


【英文标准名称】:Fibre-reinforcedplasticcomposites.Determinationofcompressivepropertiesinthein-planedirection
【原文标准名称】:纤维增强塑料复合材料.平面方向压缩性的测定
【标准号】:BSENISO14126-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【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】:试验设备;质量控制;压力试验;增强的材料;塑料;试样;压缩试验;负荷;高聚物;试样制备;纤维;剪切强度;叠层板材;方程;尺寸;平行;复合材料;加强材料;试验条件
【英文主题词】:Compositematerials;Compressiontesting;Compressivestrength;Definitions;Determination;Dimensions;Equations;Faces;Fibrereinforced;Fibres;Laminates;Loading;Materials;Mechanicaltesting;Parallel;Plastics;Polymers;Pressureresistance;Pressuretesting;Pressuretests;Properties;Qualitycontrol;Reinforcedmaterials;Reinforcingmaterials;Shearstrength;Shearstress;Specimenpreparation;Testequipment;Testspecimens;Testing;Testingconditions
【摘要】:1ThisInternationalStandardspecifiestwomethodsfordeterminingcompressiveproperties,indirectionsparadeltotheplaneoflamination,offibre-reinforcedplasticcomposites.2Thecompressivepropertiesareofinterestforspecificationsandquality-controlpurposes.3Twoloadingmethodsandtwotypesofspecimenaredescribed.Theyare:—Method1:providesshearloadingofthespecimen(gaugelengthunsupported).—Method2:providesendloading,ormixedloading,ofthespecimen(gaugelengthunsupported).NOTEFortabbedspecimensend-loadedusingmethod2,someloadistransferredintothespecimengaugelengthbyshearthroughthetabs.—TypeAspecimen:rectangularcross-section,fixedthickness,end-tabbed.—TypeBspecimen:rectangularcross-section,rangeofthicknesses,untabbedorend-tabbed(twosizesavailable).Anycombinationoftestmethodandspecimenmaybeused,providedthattherequirementsofsubclause9.8aresatisfiedandthatthespecimenisrepresentativeofthematerialundertest.Thesealternativetestconditionswillnotnecessarilygivethesameresult.ThetypeAspecimenisthepreferredspecimenforunidirectionallyreinforcedmaterialstestedinthefibredirection.Forothermaterials,thetypeAorBspecimenmaybeused.ThetypeB2specimenispreferredformat,fabricandothermultidirectionallyreinforcedmaterials.4Themethodsaresuitableforfibre-reinforcedthermoplasticandthermosettingplasticcomposites.Unreinforcedandparticle-filledplastics,aswellasthosereinforcedwithshortfibres(lessthan1mminlength),arecoveredbyISO604(seebibliography).5ThemethodsareperformedusingspecimenswhichmaybemachinedfromatestpanelmadeinaccordancewithISO1268orequivalentmethods,orfromfinishedorsemi-finishedproducts.6Themethodsspecifyrequireddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftesting,thesupportfixtureusedandtheconditionofthespecimens,caninfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.7Fibre-reinforcedplasticsareusuallyanisotropic.Itisthereforeoftenusefultocuttestspecimensinatleastthetwomaindirectionsofanisotropy,orindirectionspreviouslyspecified(forexamplealengthwisedirectionassociatedwiththeproductionprocess).
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:30P.;A4
【正文语种】:英语