BS EN 1252-2-2001 低温容器.材料.温度在-80--20度的韧度要求
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【英文标准名称】:Cryogenicvessels-Materials-Toughnessrequirementsfortemperaturesbetween-80°Cand-20°C
【原文标准名称】:低温容器.材料.温度在-80--20度的韧度要求
【标准号】:BSEN1252-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-23
【实施或试行日期】:2001-08-23
【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】:合金钢;材料强度;压力容器;铝合金;奥氏体钢;韧性;低合金钢;低温设备;铜;铝;铜合金;金属;不锈钢;低温;钢;低温学
【英文主题词】:Containers;Coolingequipment;Cryogenic;Cryogenicvessels;Definitions;Freezers;Lowtemperatures;Materials;Mechanicalproperties;Properties;Specification(approval);Testing;Toughness
【摘要】:ThisEuropeanStandardspecifiesthetoughnessrequirementsofthemetallicmaterialsforuseatatemperaturebetween-80℃and-20℃ensuringsuitabilityforuseforthecryogenicvessels.Finegrainandlowalloyedsteelswithspecifiedyieldstrength≤460N/mm,aluminiumandaluminiumalloys,copperandcopperalloysandausteniticstainlesssteelsarecoveredbythisstandard.
【中国标准分类号】:A82
【国际标准分类号】:23_020_40
【页数】:26P;A4
【正文语种】:英语
【英文标准名称】:Hand-heldpowertools-Impulsewrenches-Dimensionsandtolerancesofinterfacetopowersocket
【原文标准名称】:手持式动力工具.脉冲扳手.电插座接口的尺寸和公差
【标准号】:BSDDISO/TS21108-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-06-30
【实施或试行日期】:2006-06-30
【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】:定义;尺寸;传动系统;电的;手工工具;界面;机械界面;气动的;气动工具;管套扳手;座孔;公差(测量);工具;扭矩;扳手
【英文主题词】:Definition;Definitions;Dimensions;Drivesystems;Electrical;Handtools;Interfaces;Mechanicalinterfaces;Pneumatic;Pneumatictools;Socketwrenches;Sockets;Tolerances(measurement);Tools;Torque;Wrenches
【摘要】:
【中国标准分类号】:K64
【国际标准分类号】:25_140_01
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforStandardPenetrationTest(SPT)andSplit-BarrelSamplingofSoils
【原文标准名称】:标准贯入试验(SPT)和土壤开管取样的标准试验方法
【标准号】:ASTMD1586-2008a
【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】:D18.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:blowcount;in-situtest;penetrationresistance;soil;split-barrelsampling;standardpenetrationtest;Penetrationresistance;Soilsampling;Split-barrelmethod;SPT(standardpenetrationtest)
【摘要】:Thistestmethodprovidesadisturbedsoilsampleformoisturecontentdetermination,foridentificationandclassification(PracticesD2487andD2488)purposes,andforlaboratorytestsappropriateforsoilobtainedfromasamplerthatwillproducelargeshearstraindisturbanceinthesamplesuchasTestMethodsD854,D2216,andD6913.Soildepositscontaininggravels,cobbles,orboulderstypicallyresultinpenetrationrefusalanddamagetotheequipment.Thistestmethodprovidesadisturbedsoilsampleformoisturecontentdeterminationandlaboratoryidentification.Samplequalityisgenerallynotsuitableforadvancedlaboratorytestingforengineeringproperties.Theprocessofdrivingthesamplerwillcausedisturbanceofthesoilandchangetheengineeringproperties.Useofthethinwalltubesampler(PracticeD1587)mayresultinlessdisturbanceinsoftsoils.CoringtechniquesmayresultinlessdisturbancethanSPTsamplingforhardersoils,butitisnotalwaysthecase,thatis,somecementedsoilsmaybecomeloosenedbywateractionduringcoring;seePracticeD6151,andGuideD6169.Thistestmethodisusedextensivelyinagreatvarietyofgeotechnicalexplorationprojects.Manylocalcorrelationsandwidelypublishedcorrelationswhichrelateblowcount,orN-value,andtheengineeringbehaviorofearthworksandfoundationsareavailable.Forevaluatingtheliquefactionpotentialofsandsduringanearthquakeevent,theN-valueshouldbenormalizedtoastandardoverburdenstresslevel.PracticeD6066providesmethodstoobtainarecordofnormalizedresistanceofsandstothepenetrationofastandardsamplerdrivenbyastandardenergy.Thepenetrationresistanceisadjustedtodrillrodenergyratioof60%byusingahammersystemwitheitheranestimatedenergydeliveryordirectlymeasuringdrillrodstresswaveenergyusingTestMethodD4633.Note18212;Thereliabilityofdataandinterpretationsgeneratedbythispracticeisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740generallyareconsideredcapableofcompetenttesting.UsersofthispracticearecautionedthatcompliancewithPracticeD3740doesnotassurereliabletesting.ReliabletestingdependsonseveralfactorsandPracticeD3740providesameansofevaluatingsomeofthesefactors.PracticeD3740wasdevelopedforagenciesengagedinthetesting,inspection,orboth,ofsoilsandrock.Assuch,itisnottotallyapplicabletoagenciesperformingthispractice.UsersofthistestmethodshouldrecognizethattheframeworkofPracticeD3740isappropriateforevaluatingthequalityofanagencyperformingthistestmethod.Currently,thereisnoknownqualifyingnationalauthoritythatinspectsagenciesthatperformthistestmethod.1.1Thistestmethoddescribestheprocedure,generallyknownastheStandardPenetrationTest(SPT),fordrivingasplit-barrelsamplertoobtainarepresentativedisturbedsoilsampleforidentificationpurposes,andmeasuretheresistanceofthesoiltopenetrationofthesampler.Anothermethod(TestMethodD3550)todriveasplit-barrelsamplertoobtainarepresentativesoilsampleisavailablebutthehammerenergyisnotstandardized.1.2PracticeD6066givesaguidetodeterminingthenormalizedpenetrationresistanceofsandsforenergyadjustmentsofN-value......
【中国标准分类号】:B10
【国际标准分类号】:93_020
【页数】:9P.;A4
【正文语种】:英语
