EN 658-4-2003 高级工业陶瓷.陶瓷复合材料室温机械性能.第4部分:通过切口试样压缩负荷测定内层剪切强度
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【英文标准名称】:Advancedtechnicalceramics-Mechanicalpropertiesofceramiccompositesatroomtemperature-Part4:Determinationofinterlaminarshearstrengthbycompressionloadingofnotchedtestspecimens;GermanversionEN658-4:2003
【原文标准名称】:高级工业陶瓷.陶瓷复合材料室温机械性能.第4部分:通过切口试样压缩负荷测定内层剪切强度
【标准号】:EN658-4-2003
【标准状态】:现行
【国别】:
【发布日期】:2003-05
【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】:剪切强度;纤维增强的;高级工业陶瓷;有凹槽的;环境温度;大容量;压力荷载;机械性能;特性;负荷;陶瓷;复合材料;材料强度;试验;试样;材料;定义;材料试验;加强材料
【英文主题词】:Advancedtechnicalceramics;Ambienttemperatures;Ceramics;Compositematerials;Compressionloading;Definition;Definitions;Fibrereinforced;Highcapacity;Loading;Materials;Materialstesting;Mechanicalproperties;notched;Properties;Reinforcingmaterials;Samples;Shearstrength;Strengthofmaterials;Testing
【摘要】:
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforCompressiveStrengthofMoldedSoil-CementCylinders
【原文标准名称】:模制土壤水泥圆筒的耐压强度用标准试验方法
【标准号】:ASTMD1633-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D18.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水泥;化合物;耐压强度;建筑;施工材料;压力;土壤;静压铸件;试验
【英文主题词】:compressivestrength;soil-cement;soilstabilization
【摘要】:MethodAmakesuseofthesamecompactionequipmentandmoldscommonlyavailableinsoillaboratoriesandusedforothersoil-cementtests.ItisconsideredthatMethodAgivesarelativemeasureofstrengthratherthanarigorousdeterminationofcompressivestrength.Becauseofthelesserheighttodiameterratio(1.15)ofthecylinders,thecompressivestrengthdeterminedbyMethodAwillnormallybegreaterthanthatforMethodB.MethodB,becauseofthegreaterheighttodiameterratio(2.00),givesabettermeasureofcompressivestrengthfromatechnicalviewpointsinceitreducescomplexstressconditionsthatmayoccurduringtheshearingofMethodAspecimens.Inpractice,MethodAhasbeenmorecommonlyusedthanMethodB.Asaresult,ithasbeencustomarytoevaluateorspecifycompressivestrengthvaluesasdeterminedbyMethodA.AfactorforconvertingcompressivestrengthvaluesbasedonheighttodiameterratioisgiveninSection8.3Note18212;TheagencyperformingthistestmethodcanbeevaluatedinaccordancewithPracticeD3740.Notwithstandingstatementsonprecisionandbiascontainedinthistestmethod:theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnot,initself,ensurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoversthedeterminationofthecompressivestrengthofsoil-cementusingmoldedcylindersastestspecimens.1.2Twoalternativeproceduresareprovidedasfollows:1.2.1MethodA-Thisprocedureusesatestspecimen4.0in.(101.6mm)indiameterand4.584in.(116.4mm)inheight.Heighttodiameterratioequals1.15.Thistestmethodmadebeusedonlyonmaterialswith30%orlessretainedonthe3/4-in.(19.0-mm)sieve.SeeNote3.1.2.2MethodB-Thisprocedureusesatestspecimen2.8in.(71.1mm)indiameterand5.6in.(142.2mm)inheight.Heighttodiameterratioequals2.00.ThistestmethodisapplicabletothosematerialsthatpasstheNo.4(4.75-mm)sieve.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedin1.4.1-1.4.3.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,andareprovidedforinformationonlyandarenotconsideredstandard.1.4.1Thegravitationalsystemofinch-poundunitsisusedwhendealingwithinch-poundunits.Inthissystem,thepound(lbf)representsaunitofforce(weight),whiletheunitformassisslugs.1.4.2Theslugunitofmassisalmostneverusedincommercialpractice(density,scales,balances,etc.).Therefore,thestandardunitformassinthisstandardiseitherkilogram(kg)orgram(g),orboth.Also,theequivalentinch-poundunit(slug)isnotgiven.1.4.3Itiscommonpracticeintheengineering/constructionprofessionintheUnitedStatestouseconcurrentlypoundstorepresentbothaunitofmass(lbm)andofforce(lbf).Thisusecombinestwoseparatesystemofunits,theabsolutesystemandthegravitationalsystem.Itisscientificallyundesirabletocombinetheuseoftwoseparatesetsofinch-poundunitswithinasinglestandard.Asstatedin1.4.2,thisstandardusesthegravitationalsys......
【中国标准分类号】:Q14
【国际标准分类号】:93_020
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Agitatorvessels-Part2:Positionsandsizesofcovernozzlesinnon-alloyandstainlesssteelvessels
【原文标准名称】:搅拌容器.第2部分:非合金和不锈钢容器顶盖喷嘴的位置和尺寸
【标准号】:DIN28136-2-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-12
【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】:仪器工程;元部件;喷嘴;孔口;顶盖管接头;不锈钢;化工设备;搅拌容器;盖;钢;非合金钢;化工技术;槽;尺寸;尺寸;布置;搅拌器;名称与符号
【英文主题词】:agitators;chemicaltechnologyequipment;chemicaltechnology;steels;components;stainlesssteels;orifices;apparatusengineering;nozzles;dimensions;lids;agitatorvessels;layout;designations;tanks;unalloy
【摘要】:ThisstandardistobeusedforagitatorvesselsofcarbonandstainlesssteelaccordingtoDIN28136-1andspecifiesthepositionsandsizesofcovernozzles.
【中国标准分类号】:G92
【国际标准分类号】:71_120_10
【页数】:15P;A4
【正文语种】:德语
