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【英文标准名称】:Electricalapparatusforpotentiallyexplosiveatmospheres-Oil-immersionapparatus"o";GermanversionEN50015:1994
【原文标准名称】:潜在爆炸性气体的电工仪器."0"油浸装置
【标准号】:DINEN50015-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-01
【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】:o型防护电气设备;防爆;电驱动装置;可燃性环境;防护电气设备;安全;定义;电气安全;安全要求;合格试验;爆炸性环境;作标记;电气工程;规范(批准);油浸;检验
【英文主题词】:
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:9P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforMechanicalConePenetrationTestsofSoil
【原文标准名称】:土壤的针入度标准试验方法
【标准号】:ASTMD3441-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:建筑;施工材料;渗透性试验;土壤;试验
【英文主题词】:cone;CPT;DutchCone;friction;in-situtest;penetrationtest
【摘要】:Thistestmethodsuppliesdataonselectedengineeringpropertiesofsoilintendedtohelpwithdesignandconstructionofearthworksandthefoundationsforstructures.Thistestmethodteststhesoilinplaceanddoesnotobtainsoilsamples.Theinterpretationoftheresultsfromthistestmethodrequiresknowledgeofthetypesofsoilpenetrated.Engineersusuallyobtainthissoilinformationfromparallelboringsandsoilsamplingmethods,butpriorinformationorexperiencemayprecludetheneedforborings.Engineersoftencorrelatetheresultsoftestsbythistestmethodwithlaboratoryorothertypesoffieldtestsordirectlywithperformance.Theapplicabilityandvalidityofsuchcorrelationswillvarywiththetypeofsoilinvolved.Inaddition,engineersusuallyrelyonlocalexperiencetojudgetheapplicabilityandvalidityofsuchcorrelations.Note18212;Thequalityoftheresultsproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesmeansofevaluatingsomeofthesefactors.1.1Thistestmethodcoversthedeterminationofendbearingandsidefriction,thecomponentsofpenetrationresistancethataredevelopedduringthesteadyslowpenetrationofapointedrodintosoil.ThistestmethodissometimesreferredtoastheDutchConeTestorConePenetrationTestandisoftenabbreviatedasCPT.1.2Thistestmethodincludestheuseofmechanicalconeandfriction-conepenetrometers.Itdoesnotincludetheuseofelectricandelectronicconesordatainterpretation.1.2.1TheuseofelectricandelectronicconesiscoveredinTestMethodD5778.1.3Mechanicalpenetrometersofthetypedescribedinthistestmethodoperateincrementally,usingatelescopingpenetrometertip,resultinginnomovementofthepushrodsduringthemeasurementoftheresistancecomponents.Designconstraintsformechanicalpenetrometersprecludeacompleteseparationoftheend-bearingandside-frictioncomponents.1.4UnitsThevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedbelow.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:6P.;A4
【正文语种】: