GB/T 23561.10-2010 煤和岩石物理力学性质测定方法 第10部分：煤和岩石抗拉强度测定方法
时间:2024-05-21 17:54:07 来源: 标准资料网 作者：标准资料网 阅读：8754
基本信息
| 标准名称： | 煤和岩石物理力学性质测定方法 第10部分：煤和岩石抗拉强度测定方法 |
| 英文名称： | Methods for determining the physical and mechanical properties of coal and rock—Part 10:Methods for determining tensile strength of coal and rock |
| 中标分类： |
矿业 >>
矿业综合 >>
基础标准与通用方法 |
| ICS分类： |
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| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
| 发布日期： | 2010-09-26 |
| 实施日期： | 2011-02-01 |
| 首发日期： | 2010-09-26 |
| 作废日期： | |
| 主管部门： | 中国煤炭工业协会 |
| 提出单位： | 中国煤炭工业协会 |
| 归口单位： | 中国煤炭工业协会 |
| 起草单位： | 中国煤炭工业协会 |
| 起草人： | 齐庆新、李纪青、毛德兵、傅京昱 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2011-02-01 |
| 页数： | 8页 |
适用范围
GB/T23561的本部分规定了采用劈裂法测定煤和岩石抗拉强度所涉及的术语和定义、仪器设备、试件规格、测定步骤和数据计算。
本部分适用于能制成标准试件的煤和岩石。
前言
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目录
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引用标准
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所属分类： 矿业 矿业综合 基础标准与通用方法
【英文标准名称】:StandardPracticeforEvaluatingRetroreflectivePavementMarkingsUsingPortableHand-OperatedInstruments
【原文标准名称】:使用便携式手动仪器评估反射路标的标准实施规程
【标准号】:ASTMD7585/D7585M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D04.38
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:pavementmarkings;retroreflection
【摘要】:Thispracticeprovidesproceduresforthedeterminationoftheretroreflectiveperformanceofpavementmarkings.Thispracticedoesnotsettheminimumretroreflectancevaluesforpavementmarkings,itdescribessamplingcriteriafordeterminingtheretroreflectivepropertiesofpavementmarkings,whichthencanbeusedtodeterminecompliancewithaspecification.Itistheresponsibilityoftheagencyhavingjurisdictiontosettheacceptableretroreflectivityvalueswithintheirownspecifications.Thispracticedoesnotpurporttoaddressalltheconcernsregardingcontaminationofthemarkings,butthefollowingmaybehelpful.Itisveryimportantthatthemarkingsbeingevaluatedarecleananddry.Iftheevaluationisbeingusedrelativetoameasureoftheperformanceofacontractor,itisimperativethatthepartiesagreebeforehandonthedefinitionofcleananddry.Therearemanyformsofcontaminationonaroadwaythatwilllowertheretroreflectivityreadingsofamarking,butnotallofthemcanberemoved.Asphaltoilandrubberskidmarksareexamples.Loosedirtcanberemovedbypressurewashing,perhapsusingsoap,brushingorhigh-pressureair,however,thesetechniquesareusuallyinsufficienttoremovedirtthatispackedintothemarkingsurface.Careshouldbetakentoselectareasthataretypicalofthemarkingsection,avoidingareasofpainttrackingorcontamination,forexample.Itmaybeusefultotakephotographsusingadigitalcameraandagoodmacrolenstobeabletoseethecontaminationonorbetweentheglassbeads.1.1Thispracticedescribesseveralfieldtechniquestoevaluatetheretroreflectivepropertiesofpavementmarkingscontainingretroreflectingoptics(forexample,centerlinesandedgelines)andappliedtotheroadsurface.Thetechniquesdescribedinthispracticecontainsamplingcriteriasuchasthelengthoftestsectionsandthenumberofmeasurementsneeded.Thepracticeisbasedonretroreflectivemeasurementsmadewithportablehand-operatedinstrumentsincompliancewithTestMethodE1710.1.2Thedataobtainedfromthispracticecanbeusedtodeterminetheacceptanceorrejectionofaprojectbasedonspecifiedlevelsofretroreflectivityestablishedbytheagencyhavingjurisdiction.1.3Thispracticecanbeusedfortheevaluationofnewlyinstalledorexistingpavementmarkings.Whentestingnewlyappliedpavementmarkings,itisrecommendedthattheevaluationbedonenosoonerthan48hoursafterapplicationbutbefore30daysafterapplicationsothatexcessretroreflectiveoptics,suchasglassspheres,arenolongerpresent.1.4Theassessmenttechniquesinthispracticearebasedonbestpracticesanddesignedtoprovidethreelevelsofconfidenceintermsofquantifyingtheretroreflectiveperformanceofmarkings.Eachtechniquerepresentsatradeoffbetweenthenumberofmeasurementsandtheconfidenceoftheretroreflectiveperformanceofthemarkingsunderstudy.1.5Thispracticecanbeusedbyagenciesasisormaybecustomizedtomeetanagencyx2019;sspecificneeds.Whereapplicable,thepracticedescribesareaswheredifferentassumptionscouldbemade,whichwouldimpactthesamplingneedsandtheconfidencelevelsoftheresults.Whendeviationsfromthispracticearemade,theyshallbedocumentedinthetestreport.Note18212;Whenmeasuringnewlyinstalledpavementmarkings,thereareseveralfactorsthatcontributetoerroneousvaluesformeasurementsmadewithinashorttimeafterapplication,sucha......
【中国标准分类号】:Q85
【国际标准分类号】:93_080_20
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems;PrivateIntegratedServicesNetwork-MappingFunctionsforthetunnellingofQSIGthroughIPNetworks
【原文标准名称】:信息技术.系统间远程通信和信息交换.专用综合业务网.经由IP网络的QSIG隧道效应的镜像功能
【标准号】:ISO/IEC21992-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-06
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:通信网;镜像;电路网络;信号传输;信息交换;网络互连;定义;电缆敷设;电信;信息技术;电信设备;专业综合服务网;QSIG;远程通信;补充业务
【英文主题词】:Cablelaying;Circuitnetworks;Communicationnetworks;Communicationservice;Definition;Definitions;Informationinterchange;Informationtechnology;Mapping;Networkinterconnection;PISN;QSIG;Signaltransmission;Supplementaryservices;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardspecifiesfunctionsforusingapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocolandUDPandTCPasitstransportlayerprotocols,tointerconnecttwoPrivateIntegratedservicesNetworkexchanges(PINXs)formingpartofaPrivateIntegratedServicesNetwork(PISN).Interconnectionisachievedbycarryingtheinter-PINXsignallingprotocoldirectlyovertheTransmissionControlProtocol(TCP)andinter-PINXuserinformation(e.g.,voice)overtheReal-timeTransportProtocol(RTP),RTPbeingcarriedovertheUserDatagramProtocol(UDP).Theinter-PINXsignallingprotocolisassumedtobeQSIG,asspecifiedinISO/IEC11572,ISO/IEC11582andotherInternationalStandards.ThisInternationalStandardprovidesfortwotypesofinterconnection:—on-demand,whereaseparateTCPconnectionforQSIGisestablishedatthestartofeachcallandcleareddownattheendofthatcall;and—semi-permanent,whereasingleTCPconnectionwithanindefinitelifetimecarriesQSIGonbehalfofmanysinglecalls.ThisInternationalStandardisapplicabletoPINXsthatcanbeinterconnectedtoformaPISNusingQSIGastheinter-PINXsignallingprotocol.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:15P;A4
【正文语种】:英语