DIN 16962-5-2000 聚丙烯压力管道用管连接件和零件.PP-H100,PP-B80,PP-R80.第5部分:一般质量要求.试验
时间:2024-05-24 05:52:09 来源: 标准资料网 作者：标准资料网 阅读：8307
【英文标准名称】:Pipejointsandcomponentsofpolypropylene(PP)forpipesunderpressure,PP-H100,PP-B80andPP-R80-Part5:Generalqualityrequirements,testing
【原文标准名称】:聚丙烯压力管道用管连接件和零件.PP-H100,PP-B80,PP-R80.第5部分:一般质量要求.试验
【标准号】:DIN16962-5-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-04
【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】:
【英文主题词】:
【摘要】:ThedocumentspecifiesgeneralqualityrequirementsandtestingforpipejointassembliesandfittingsforPP-H,PP-BandPP-R,polypropylene(PP)pressurepipelines.
【中国标准分类号】:G33
【国际标准分类号】:23_040_45
【页数】:11P;A4
【正文语种】:德语
【英文标准名称】:Specificationforunitsforexpressingpropertiesofpaper,boardandpulps
【原文标准名称】:纸,纸板,纸浆表征特性单位的规范
【标准号】:BSEN25651-1989
【标准状态】:作废
【国别】:英国
【发布日期】:1989-08-31
【实施或试行日期】:1989-08-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计量单位;测量单位;纸制品;国际单位制;纸浆;纸;纸板
【英文主题词】:designations;cartons;unitsofmeasurement;surveys;pulp;paper;paperpulp;properties;testing;board(paper)
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_020
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDensityandUnitWeightofSoilinPlacebytheSand-ConeMethod
【原文标准名称】:用砂锥法现场测定土壤密度和单位重量的标准试验方法
【标准号】:ASTMD1556-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:砌块(建筑);建筑;施工材料;密度;土壤;测试
【英文主题词】:acceptancetests;compactiontests;degreeofcompaction;densitytests;earthfill;embankments;fieldcontroldensity;fieldtests;inplacedensity;inplacedrydensity;insitudensity;relativedensity;sandcone;soilcompaction;soiltests;un
【摘要】:1.1Thistestmethodmaybeusedtodeterminethein-placedensityandunitweightofsoilsusingasandconeapparatus.1.2Thistestmethodisapplicableforsoilswithoutappreciableamountsofrockorcoarsematerialsinexcessof11/2in.(38mm)indiameter.1.3Thistestmethodmayalsobeusedforthedeterminationofthein-placedensityandunitweightofintactorinsitusoils,providedthenaturalvoidorporeopeningsinthesoilaresmallenoughtopreventthesandusedinthetestfromenteringthevoids.Thesoilorothermaterialbeingtestedshouldhavesufficientcohesionorparticleattractiontomaintainstablesidesonasmallholeorexcavation,andbefirmenoughtowithstandtheminorpressuresexertedindiggingtheholeandplacingtheapparatusoverit,withoutdeformingorsloughing.1.4Thistestmethodisnotsuitablefororganic,saturated,orhighlyplasticsoilsthatwoulddeformorcompressduringtheexcavationofthetesthole.Thistestmethodmaynotbesuitableforsoilsconsistingofunboundgranularmaterialsthatwillnotmaintainstablesidesinthetesthole,soilscontainingappreciableamountsofcoarsemateriallargerthan11/2in.(38mm),andgranularsoilshavinghighvoidratios.1.5Whenmaterialstobetestedcontainappreciableamountsofparticleslargerthan11/2in.(38mm),orwhentestholevolumeslargerthan0.1ft3(2830cm3)arerequired,TestMethodD4914orD5030areapplicable.1.6Itiscommonpracticeintheengineeringprofessiontoconcurrentlyusepoundstorepresentbothaunitofmass(lbm)andaunitofforce(lbf).Thisimplicitlycombinestwoseparatesystemsofunits,thatis,theabsolutesystemandthegravitationalsystem.Itisscientificallyundesirabletocombinetheuseoftwoseparatesetsofinch-poundunitswithinasinglestandard.Thistestmethodhasbeenwrittenusingthegravitationalsystemofunitswhendealingwiththeinch-poundsystem.Inthissystemthepound(lbf)representsaunitofforce(weight).However,theuseofbalancesorscalesrecordingpoundsofmass(lbm),ortherecordingofdensityinlbm/ft3shouldnotberegardedasnonconformancewiththistestmethod.1.7AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026unlesssupersededbythisstandard.1.7.1Theproceduresusedtospecifyhowdataarecollected,recordedorcalculatedinthisstandardareregardedastheindustrystandard.Inadditiontheyarerepresentativeofthesignificantdigitsthatgenerallyshouldberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheusersobjectives;itiscommonpracticetoincreaseorreducesignificantdigitsorreporteddatatobecommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalyticalmethodsforengineeringdesign.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P.;A4
【正文语种】: