TB/T 2002-2004 产品图样及设计文件 标准化审查
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来源:标准资料网
基本信息
标准名称: | 产品图样及设计文件 标准化审查 |
英文名称: | Drawing and design document of product -- Standardization examination |
中标分类: |
铁路 >>
铁路综合 >>
标准化、质量管理 |
ICS分类: |
铁路工程 >>
铁路工程综合
|
替代情况: | TB/T 2002-1987 |
发布部门: | 中国人民共和国铁道部 |
发布日期: | 2004-01-30 |
实施日期: | 2004-08-01 |
首发日期: | |
作废日期: | |
主管部门: | 中国人民共和国铁道部 |
提出单位: | 铁路部标准计量研究所 |
归口单位: | 铁路部标准计量研究所 |
起草单位: | 铁路部标准计量研究所、中国北车集团大连机车车辆厂、中国北车集团永济电机厂、中国北车集团长春轨道客车股份有限公司、 |
起草人: | 刘学峰、崔纯刚、黄国杰、裴燕斌、姜里芝、宁建国、张惠山、于会彬 |
出版社: | 中国铁道出版社 |
出版日期: | 2004-08-01 |
页数: | 8页 |
适用范围
本标准规定了铁道产品图样及设计文件,包括CAD图样和设计文件标准化审查的要求、内容、程序、办法,以及标准化审查人员的职责和权利。
本标准适用于铁道产品图样及文件的标准化审查。其它图样和文件的标准化审查可参照执行。
前言
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目录
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引用标准
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所属分类: 铁路 铁路综合 标准化 质量管理 铁路工程 铁路工程综合
【英文标准名称】:StandardTestMethodforDeterminingTransmissivityandStorageCoefficientofBounded,Nonleaky,ConfinedAquifers
【原文标准名称】:测定有界非泄漏承压含水层透水率和储水系数的标准试验方法
【标准号】:ASTMD5270-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D18.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aquiferboundaries;aquifertests;aquifers;confinedaquifers;controlwells;groundwater;hydraulicproperties;imagewells;observationwells;storagecoefficient;transmissivity;Aquifers;Boundaryconditions;Confinedaquifers;Controlwells;Draw-d
【摘要】:Assumptions:Thewelldischargesataconstantrate.Wellisofinfinitesimaldiameterandisopenthroughthefullthicknessoftheaquifer.Thenonleakyconfinedaquiferishomogeneous,isotropic,andareallyextensiveexceptwherelimitedbylinearboundaries.Dischargefromthewellisderivedinitiallyfromstorageintheaquifer;later,movementofwatermaybeinducedfromaconstant-headboundaryintotheaquifer.ThegeometryoftheassumedaquiferandwellareshowninFig.1orFig.2.Boundariesareverticalplanes,infiniteinlengththatfullypenetratetheaquifer.Nowaterisyieldedtotheaquiferbyimpermeableboundaries,whereasrechargingboundariesareinperfecthydraulicconnectionwiththeaquifer.Observationwellsrepresenttheheadintheaquifer;thatis,theeffectsofwellborestorageintheobservationwellsarenegligible.ImplicationsofAssumptions:Implicitintheassumptionsaretheconditionsofafully-penetratingcontrolwellandobservationwellsofinfinitesimaldiameterinaconfinedaquifer.Undercertainconditions,aquifertestscanbesuccessfullyanalyzedwhenthecontrolwellisopentoonlypartoftheaquiferorcontainsasignificantvolumeofwaterorwhenthetestisconductedinanunconfinedaquifer.TheseconditionsarediscussedinmoredetailinTestMethodD4105.Incasesinwhichthistestmethodisusedtolocateanunknownboundary,aminimumofthreeobservationwellsisneeded.Ifonlytwoobservationwellsareavailable,twopossiblelocationsoftheboundaryaredefined,andifonlyoneobservationwellisused,acircledescribingallpossiblelocationsoftheimagewellisdefined.Theeffectsofaconstant-headboundaryareoftenindistinguishablefromtheeffectsofaleaky,confinedaquifer.Therefore,caremustbetakentoensurethatacorrectconceptualmodelofthesystemhasbeencreatedpriortoanalyzingthetest.SeeGuideD4043.1.1Thistestmethodcoversananalyticalprocedurefordeterminingthetransmissivity,storagecoefficient,andpossiblelocationofboundariesforaconfinedaquiferwithalinearboundary.Thistestmethodisusedtoanalyzewater-levelorheaddatafromoneormoreobservationwellsorpiezometersduringthepumpingofwaterfromacontrolwellataconstantrate.Thistestmethodalsoappliestoflowingartesianwellsdischargingataconstantrate.Withappropriatechangesinsign,thistestmethodalsocanbeusedtoanalyzetheeffectsofinjectingwaterintoacontrolwellataconstantrate.1.2TheanalyticalprocedureinthistestmethodisusedinconjunctionwiththefieldprocedureinTestMethodD4050.1.3Limitations8212;ThevaliduseofthistestmethodislimitedtodeterminationoftransmissivitiesandstoragecoefficientsforaquifersinhydrogeologicsettingswithreasonablecorrespondencetotheassumptionsoftheTheisnonequilibriummethod(seeTestMethodD4106)(see5.1),exceptthattheaquiferislimitedinarealextentbyalinearboundarythatfullypenetratestheaquifer.Theboundaryisassumedtobeeitheraconstant-headboundary(equivalenttoastreamorlakethathydraulicallyfullypenetratestheaquifer)orano-flow(impermeable)boundary(equivalenttoacontactwithasignificantlylesspermeablerockunit).TheTheisnonequilibriummethodisdescribedinTestMethodsD4105andD4106.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itisthere......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】:英语
Product Code:SAE AMS2635
Title:Radiographic Inspection
Issuing Committee:Ams K Non Destructive Methods And Processes Committee
Scope:This specification covers the procedures for radiographic inspection.