【英文标准名称】:StandardTestMethodforCompressiveStrengthandElasticModuliofIntactRockCoreSpecimensunderVaryingStatesofStressandTemperatures
【原文标准名称】:在变化的应力和温度下完整岩石芯样抗压强度和弹性模量的标准试验方法
【标准号】:ASTMD7012-2007
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗压强度;芯样;弹性的;岩石;应力温度;温度
【英文主题词】:compressiontesting;compressivestrength;confinedcompression;loadingtests;modulusofelasticity;repeatability;reproducibility;rock;uniaxialcompression;Young'sModulus
【摘要】:Theparametersobtainedfromtheseproceduresareintermsofundrainedtotalstress(asalreadymentionedin1.1.1.).However,therearesomecaseswhereeithertherocktypeortheloadingconditionoftheproblemunderconsiderationwillrequiretheeffectivestressordrainedparametersbedetermined.Unconfinedcompressivestrengthofrockisusedinmanydesignformulasandissometimesusedasanindexpropertytoselecttheappropriateexcavationtechnique.Deformationandstrengthofrockareknowntobefunctionsofconfiningpressure.Theconfinedcompressiontestiscommonlyusedtosimulatethestressconditionsunderwhichmostundergroundrockmassesexist.Theelasticconstantsareusedtocalculatethestressanddeformationinrockstructures.Thedeformationandstrengthpropertiesofrockcoresmeasuredinthelaboratoryusuallydonotaccuratelyreflectlarge-scaleinsitupropertiesbecausethelatterarestronglyinfluencedbyjoints,faults,inhomogeneities,weaknessplanes,andotherfactors.Therefore,laboratoryvaluesforintactspecimensmustbeemployedwithproperjudgmentinengineeringapplications.Note28212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod;themeasuresofprecisionofthesetestmethodsaredependentonthecompetenceofthepersonnelperformingthem,andonthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansforevaluatingsomeofthosefactors.1.1Thistestmethodcoversthedeterminationofthestrengthofintactrockcorespecimensinuniaxialcompressionandconfinedcompression.Thetestsprovidedataindeterminingthestrengthofrock,namely:theuniaxialstrength,shearstrengthsatvaryingpressuresandvaryingtemperatures,angleofinternalfriction,(angleofshearingresistance),andcohesionintercept.Thetestmethodspecifiestheapparatus,instrumentation,andproceduresfordeterminingthestress-axialstrainandthestress-lateralstraincurves,aswellasYoung'smodulus,E,andPoisson'sratio,.Itshouldbeobservedthatthismethodmakesnoprovisionforporepressuremeasurementsandspecimensareundrained(platensarenotvented).Thusthestrengthvaluesdeterminedareintermsoftotalstress,thatis,arenotcorrectedforporepressures.Thistestmethoddoesnotincludetheproceduresnecessarytoobtainastress-straincurvebeyondtheultimatestrength.1.1.1ThisstandardreplacesandcombinesthefollowingStandardTestMethodsfor:D2664TriaxialCompressiveStrengthofUndrainedRockCoreSpecimensWithoutPorePressureMeasurements;D5407ElasticModuliofUndrainedRockCoreSpecimensinTriaxialCompressionWithoutPorePressureMeasurements;D2938UnconfinedCompressiveStrengthofIntactRockCoreSpecimens;andD3148ElasticModuliofIntactRockCoreSpecimensinUniaxialCompression.1.1.2TheoriginalfourstandardsarenowreferredtoasMethodsinthisstandardasfollows:MethodA-TriaxialCompressiveStrengthofUndrainedRockCoreSpecimensWithoutPorePressureMeasurements;MethodB-ElasticModuliofUndrainedRockCoreSpecimensinTriaxialCompressionWithoutPorePressureMeasurements;MethodC-UnconfinedCompressiveStrengthofIntactRockCoreSpecimens;MethodD-ElasticModuliofIntactRockCoreSpecimensinUniaxialCompression;andOptionA-ElevatedTemperatures.1.2Foranisotropicmaterial,therelationbetween......
【中国标准分类号】:P13
【国际标准分类号】:13_080_20(PHYSICALPROPERTIESOFSOIL)
【页数】:8P.;A4
【正文语种】:
基本信息
| 标准名称： | 2GHz WCDMA数字蜂窝移动通信网 家庭基站管理系统设备技术要求 |
| 发布部门： | 中华人民共和国工业和信息化部 |
| 发布日期： | 2011-05-18 |
| 实施日期： | 2011-06-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 人民邮电出版社 |
| 出版日期： | 2011-06-01 |
适用范围
本标准规定了Home NodeB网元管理系统（HMS）的系统管理功能要求、HNB设备管理要求、HNB软件管理功能、HNB故障管理功能、HNB性能管理功能、HNB拓扑管理功能、HNB日志管理功能、HMS操作维护及北向接口等要求。
本标准适用于2GHz WCDMA通信网的家庭基站管理系统。
前言
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