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【英文标准名称】:Geotextilesandgeotextile-relatedproducts-Requiredcharacteristicsforuseintheconstructionofreservoirsanddams(includesAmendmentA1:2005);EnglishversionofDINEN13254:2000+A1:2005
【原文标准名称】:土工织物及其相关产品.用于水库和堤坝施工的土工织物及其相关产品要求的特性
【标准号】:DINEN13254-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-04
【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】:土工学;滞洪水库;过滤;单层;土工织物;规范(验收);纺织材料;建筑工程;CE标记;设计;索引试验;布;测量;测量技术;分离;特性;试验;生产控制;材料试验;耐力;测定;拦坝;定义;索引;建筑;合格
【英文主题词】:Barragedams;CEmarking;Cloth;Conformity;Construction;Constructions;Definition;Definitions;Design;Determination;Filtrate;Geotechnics;Geotextiles;Indexes;Indextests;Materialstesting;Measurement;Measuringtechniques;Productioncontrol;Properties;Resistance;Retentionreservoirs;Separation;Singlelayers;Specification(approval);Testing;Textiles
【摘要】:ThisEuropeanStandardspecifiestherelevantcharacteristicsofgeotextilesandgeotextile-relatedproductsusedintheconstructionreservoirsanddams,andtheappropriatetestmethodstodeterminethesecharacteristics.Theintendeduseofthesegeotextilesorgeotextile-relatedproductsistofulfiloneormoreofthefollowingfunctions:filtration,separation,reinforcementandprotection.Theseparationfunctionisalwaysusedinconjunctionwithfiltrationorreinforcement,accordinglyseparationwillneverbespecifiedalone.Thisstandardisnotapplicabletogeomembranes.ThisstandardprovidesfortheevaluationofconformityoftheproducttothisEuropeanStandardandforfactoryproductioncontrolprocedures.Thisstandarddefinesrequirementstobemetbymanufacturersanddistributorswithregardtothepresentationofproductproperties.NOTE1Particularapplicationcasesornationalspecificationsmaycontainrequirementsregardingadditionalpropertiesand-preferablystandardised-testmethods,iftheyaretechnicallyrelevantandnotconflictingwithEuropeanStandards.NOTE2ThisEuropeanStandardmaybeusedtoderivedesignvaluesbytakingintoaccountfactorswithinthecontextofthedefinitionsgiveninEurocode7(ENV1997-1),e.g.factorsofsafety.Thedesignlifeoftheproductshouldbedetermined,sinceitsfunctionmaybetemporary,asaconstructionexpediency,orpermanent,forthelifetimeofthestructure.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:38P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticesforPreparationandPreliminaryTestingofWater-FormedDeposits
【原文标准名称】:水沉积物的制备和初步试验的标准实施规程
【标准号】:ASTMD2331-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:atomicabsorption;crystallographicexamination;deposits;microscopy;samplepreparation;scale;spectrographicanalysis;x-raydiffraction;x-rayfluorescence;Aluminumcontent;Calciumcontent--water;Carbonatecontent;Coppercontent--water;Ironco
【摘要】:Depositsinpipingfromaqueousprocessstreamsserveasanindicatoroffouling,corrosionorscaling.Rapidtechniquesofanalysisareusefulinidentifyingthenatureofthedepositsothatthereasonfordepositioncanbeascertained.Possibletreatmentschemescanbedevisedtopreventdepositionfromreoccurring.Depositsformedfromorbywaterinallitsphasesmaybefurtherclassifiedasscale,sludge,corrosionproductsorbiologicaldeposits.Theoverallcompositionofadepositorsomepartofadepositmaybedeterminedbychemicalorspectrographicanalysis;theconstituentsactuallypresentaschemicalsubstancesmaybeidentifiedbymicroscopeorX-ray.1.1Thesepracticesprovidedirectionsforthepreparationofthesampleforanalysis,thepreliminaryexaminationofthesample,andmethodsfordissolvingtheanalyticalsampleorselectivelyseparatingconstituentsofconcern.1.2Thegeneralpracticesgivenherecanbeappliedtoanalysisofsamplesfromavarietyofsurfacesthataresubjecttowater-formeddeposits.However,theinvestigatormustresorttoindividualexperienceandjudgementinapplyingtheseprocedurestospecificproblems.1.3Thepracticesincludethefollowing:
Sections
PreparationoftheAnalyticalSample
8
PreliminaryTestingoftheAnalyticalSample
9
DissolvingtheAnalyticalSample
10