ISO 4138-2012 乘用车.稳态环行驾驶.开环试验方法
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来源:标准资料网
【英文标准名称】:Passengercars-Steady-statecirculardrivingbehaviour-Open-looptestmethods
【原文标准名称】:乘用车.稳态环行驾驶.开环试验方法
【标准号】:ISO4138-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;驱动类型;动态试验;测量;测量技术;汽车;私人汽车;道路阻滞;道路安全;道路车辆;安全性要求;稳定性;稳定性试验;操纵部件;转向机构;试验结果;试验;试验条件;变形
【英文主题词】:Definitions;Drivingstyles;Dynamictesting;Measurement;Measuringtechniques;Motorvehicles;Privatecars;Roadholding;Roadsafety;Roadvehicles;Safetyrequirements;Stability;Stabilitytests;Steeringassembly;Steeringgear;Testresults;Testing;Testingconditions;Turns
【摘要】:
【中国标准分类号】:T42
【国际标准分类号】:43_100
【页数】:19P;A4
【正文语种】:英语
MIL-STD-1798 (NOTICE 1), MILITARY STANDARD: MECHANICAL EQUIPMENT AND SUBSYSTEMS INTEGRITY PROGRAM (24 MAR 1993) [S/S BY MIL-HDBK-1798].【英文标准名称】:StandardTestMethodforCBR(CaliforniaBearingRatio)ofSoilsinPlace
【原文标准名称】:现场测定土壤加利福尼亚承载比的标准试验方法
【标准号】:ASTMD4429-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:施工材料;建筑;土壤;比率;试验
【英文主题词】:bearingratio;CBR;deflection
【摘要】:Fieldin-placeCBRtestsareusedforevaluationanddesignofflexiblepavementcomponentssuchasbaseandsubbasecourseandsubgradesandforotherapplications(suchasunsurfacedroads)forwhichCBRisthedesiredstrengthparameter.IfthefieldCBRistobeuseddirectlyforevaluationordesignwithoutconsiderationforvariationduetochangeinwatercontent,thetestshouldbeconductedunderoneofthefollowingconditions:(a)whenthedegreeofsaturation(percentageofvoidsfilledwithwater)is80%orgreater,(b)whenthematerialiscoarsegrainedandcohesionlesssothatitisnotsignificantlyaffectedbychangesinwatercontent,or(c)whenthesoilhasnotbeenmodifiedbyconstructionactivitiesduringthetwoyearsprecedingthetest.Inthelast-namedcase,thewatercontentdoesnotactuallybecomeconstant,butgenerallyfluctuateswithinarathernarrowrange.Therefore,thefieldin-placetestdatamaybeusedtosatisfactorilyindicatetheaverageload-carryingcapacity.Anyconstructionactivities,suchasgradingorcompacting,carriedoutsubsequenttothebearingratiotestwillprobablyinvalidatetheresultsofthetest.Note18212;Fieldin-placetestsareusedtodeterminetherelativestrengthofsoils,subbase,andsomebasematerialsintheconditionatwhichtheyexistatthetimeoftesting.Suchresultshavedirectapplicationintestsectionworkandinsomeexpedientconstruction,military,orsimilaroperations.Also,asindicatedin3.1,fieldin-placetestscanbeusedfordesignunderconditionsofnominalstabilityofwater,density,andgeneralcharacteristicsofthematerialtested.However,anysignificanttreating,disturbing,handling,compaction,orwaterchangecanaffectthesoilstrengthandmakethepriortotestdeterminationinapplicable,leadingtotheneedforretestandreanalysis.1.1ThistestmethodcoversthedeterminationoftheCaliforniaBearingRatio(CBR)ofsoiltestedinplacebycomparingthepenetrationloadofthesoiltothatofastandardmaterial.Thistestmethodcoverstheevaluationoftherelativequalityofsubgradesoils,butisapplicabletosubbaseandsomebase-coursematerials.Thistestmethodisdesignedtotestin-situmaterialsandcorrespondstoTestMethodD1883.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
