CB 3213-1984 船用搭焊异径钢法兰
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基本信息
| 标准名称： | 船用搭焊异径钢法兰 |
| 中标分类： | 船舶 >> 船舶管路附件 >> 船用管件 |
| 替代情况： | 被CB/T 3212-1999代替 |
| 发布日期： | |
| 实施日期： | 1985-08-01 |
| 首发日期： | |
| 作废日期： | 1999-08-01 |
| 出版日期： | |
| 页数： | 6页 |
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前言
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引用标准
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所属分类： 船舶 船舶管路附件 船用管件
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【英文标准名称】:StandardTestMethodforSoilCompactionDeterminationatShallowDepthsUsing5-lb(2.3kg)DynamicConePenetrometer
【原文标准名称】:用5-lb(2.3kg)动力触探仪在浅层测定土壤压实的标准试验方法
【标准号】:ASTMD7380-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:compactiontest;cone;conepenetrometer;constructioncontrol;dynamicconepenetrationtest;5-lbDCP;soilcompaction;percentcompaction;soildensity;watercontent
【摘要】:p>Thetestmethodisusedtoassessthecompactioneffortofcompactedmaterials.Thenumberofdropsrequiredtodrivetheconeadistanceof3.25in.(83mm)isusedasacriteriontodeterminethepassorfailintermsofsoilpercentcompaction.Thedevicedoesnotmeasuresoilcompactiondirectlyandrequiresdeterminingthecorrelationbetweenthenumberofdropsandpercentcompactioninsimilarsoilofknownpercentcompactionandwatercontent.Thenumberofdropsisdependentonthesoilwatercontent.Calibrationofthedeviceshouldbeperformedatawatercontentequaltothewatercontentexpectedinthefield.ThereareotherDCPswithdifferentdimensions,hammerweights,conesizes,andconegeometries.Differenttestmethodsexistforthesedevices(suchasD6951)andthecorrelationsofthe5-lbDCPwithsoilpercentcompactionareuniquetothisdevice.The5-lbDCPisasimpledevice,capableofbeinghandledandoperatedbyasingleoperatorinfieldconditions.ItistypicallyusedasQualityControl(QC)oflayer-by-layercompactionbyconstructioncrewinroadwaypavement,backfillcompactioninconfinedcutsandtrenches,andutilitypavementrestorationwork.Note28212;Thequalityofresultsproducedbythistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoverstheprocedureforthedeterminationofthenumberofdropsrequiredforadynamicconepenetrometerwitha5-lb(2.3-kg)drophammerfalling20in.(508mm)topenetrateacertaindepthincompactedbackfill.1.2Thedeviceisusedinthecompactionverificationoffine-andcoarse-grainedsoils,granularmaterials,andweakstabilizedormodifiedmaterialusedinsubgrade,baselayers,andbackfillcompactioninconfinedcutsandtrenchesatshallowdepth.1.3Thetestmethodisnotapplicabletohighlystabilizedandcementedmaterialsorgranularmaterialscontainingalargepercentageofaggregatesgreaterthan1.5in.(37mm).1.4Themethodisdependentuponknowingthefieldwatercontentandtheuserhavingperformedcalibrationteststodetermineconepenetrationresistanceofvariouscompactionlevelsandwatercontents.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;Itiscommonpracticeintheengineeringprofessiontoconcurrentlyusepoundstorepresentbothaunitofmass(lbm)andaforce(lbf).Thisstandardhasbeenwrittenusingthegravitationalsystemofunits(lbf)whendealingwiththeinch-poundsystem.Inthissystem,thepound(lbf)representsaunitofforce(weight).However,theuseofbalancesorscalesrecordingpoundsofmass(lbm)orthereadingofdensityinlbm/ft3shallnotberegardedasanonconformancewiththisstandard.1.6AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsu......
【中国标准分类号】:B11
【国际标准分类号】:13_080_20;93_020
【页数】:8P.;A4
【正文语种】:英语
【原文标准名称】:用5-lb(2.3kg)动力触探仪在浅层测定土壤压实的标准试验方法
【标准号】:ASTMD7380-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:compactiontest;cone;conepenetrometer;constructioncontrol;dynamicconepenetrationtest;5-lbDCP;soilcompaction;percentcompaction;soildensity;watercontent
【摘要】:p>Thetestmethodisusedtoassessthecompactioneffortofcompactedmaterials.Thenumberofdropsrequiredtodrivetheconeadistanceof3.25in.(83mm)isusedasacriteriontodeterminethepassorfailintermsofsoilpercentcompaction.Thedevicedoesnotmeasuresoilcompactiondirectlyandrequiresdeterminingthecorrelationbetweenthenumberofdropsandpercentcompactioninsimilarsoilofknownpercentcompactionandwatercontent.Thenumberofdropsisdependentonthesoilwatercontent.Calibrationofthedeviceshouldbeperformedatawatercontentequaltothewatercontentexpectedinthefield.ThereareotherDCPswithdifferentdimensions,hammerweights,conesizes,andconegeometries.Differenttestmethodsexistforthesedevices(suchasD6951)andthecorrelationsofthe5-lbDCPwithsoilpercentcompactionareuniquetothisdevice.The5-lbDCPisasimpledevice,capableofbeinghandledandoperatedbyasingleoperatorinfieldconditions.ItistypicallyusedasQualityControl(QC)oflayer-by-layercompactionbyconstructioncrewinroadwaypavement,backfillcompactioninconfinedcutsandtrenches,andutilitypavementrestorationwork.Note28212;Thequalityofresultsproducedbythistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoverstheprocedureforthedeterminationofthenumberofdropsrequiredforadynamicconepenetrometerwitha5-lb(2.3-kg)drophammerfalling20in.(508mm)topenetrateacertaindepthincompactedbackfill.1.2Thedeviceisusedinthecompactionverificationoffine-andcoarse-grainedsoils,granularmaterials,andweakstabilizedormodifiedmaterialusedinsubgrade,baselayers,andbackfillcompactioninconfinedcutsandtrenchesatshallowdepth.1.3Thetestmethodisnotapplicabletohighlystabilizedandcementedmaterialsorgranularmaterialscontainingalargepercentageofaggregatesgreaterthan1.5in.(37mm).1.4Themethodisdependentuponknowingthefieldwatercontentandtheuserhavingperformedcalibrationteststodetermineconepenetrationresistanceofvariouscompactionlevelsandwatercontents.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;Itiscommonpracticeintheengineeringprofessiontoconcurrentlyusepoundstorepresentbothaunitofmass(lbm)andaforce(lbf).Thisstandardhasbeenwrittenusingthegravitationalsystemofunits(lbf)whendealingwiththeinch-poundsystem.Inthissystem,thepound(lbf)representsaunitofforce(weight).However,theuseofbalancesorscalesrecordingpoundsofmass(lbm)orthereadingofdensityinlbm/ft3shallnotberegardedasanonconformancewiththisstandard.1.6AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsu......
【中国标准分类号】:B11
【国际标准分类号】:13_080_20;93_020
【页数】:8P.;A4
【正文语种】:英语
