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ASTM D 226-2005 铺屋顶和防水用沥青饱和有机毡的标准规范

作者:标准资料网 时间:2024-04-29 21:32:47  浏览:9078   来源:标准资料网
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【英文标准名称】:StandardSpecificationforAsphalt-SaturatedOrganicFeltUsedinRoofingandWaterproofing
【原文标准名称】:铺屋顶和防水用沥青饱和有机毡的标准规范
【标准号】:ASTMD226-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:毡;施工材料;屋顶层;防水材料;屋面油毡;屋顶;建筑
【英文主题词】:Construction;Constructionmaterials;Felt;Roofcoverings;Roofingfelts;Roofs;Waterproofingmaterials
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_100_50
【页数】:3P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforUsingHollow-StemAugersforGeotechnicalExplorationandSoilSampling
【原文标准名称】:地质技术勘探和土壤取样用空茎轴螺旋钻使用的标准实施规程
【标准号】:ASTMD6151-2008
【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】:D18.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:continuoussampling;double-tubeauger;drilling;hollow-stemaugers;soilcoring;soilsampling;subsurfaceexploration;Double-tubeauger;Geotechnicalengineeringmaterials/processes;Hollow-stemaugerdrilling;Soilsampling;Subsurfaceinvestigation-
【摘要】:Hollow-stemaugersarefrequentlyusedforgeotechnicalexploration.Often,hollow-stemaugersareusedwithothersamplingsystems,suchassplitbarrelpenetrationresistancetesting,TestMethodD1586,orthin-walltubesampling,PracticeD1587(see2.5).Hollow-stemaugersmaybeusedtoadvanceadrillholewithoutsamplingusingapilotbitassembly,ortheymaybeequippedwithasamplingsystemforobtainingsoilcores.Insomesubsurfaceconditionsthatcontaincohesivesoils,thedrillholecanbesuccessfullyadvancedwithouttheuseofapilotbitassembly.Intermittentdrilling(advancingoftheHSAcolumnwithorwithoutapilotbit)andsamplingcanbeperformeddependingontheintervalstobesampled,orcontinuoussamplingcanbeperformed.Duringpausesinthedrillingandsamplingprocess,insitutestingorothersoilsamplingmethodscanbeperformedthroughthehollowaugercolumnbelowtheleadaugerassembly.Atcompletionoftheboringtothedepthofinterest,theholemaybeabandonedortestingormonitoringdevicescanbeinstalled.Hollow-stemaugerdrillingallowsfordrillingandcasingtheholesimultaneously,therebyeliminatingholecavingproblemsandcontaminationofsoilsamples(2).Thehollow-stemaugerdrillingandsamplingmethodcanbeasatisfactorymeansforcollectingsamplesofshallowunconsolidatedsubsurfacematerials(2).AdditionalguidanceonusecanbefoundinRefs.2,3,4,5,6.Soilsamplingwithadouble-tubehollow-stemsamplingsystemprovidesamethodforobtainingcontinuousorintermittentsamplesofsoilsforaccurateloggingofsubsurfacematerialstosupportgeotechnicaltestingandexploration.Awidevarietyofsoilsfromclaystosandscanbesampled.Thesamplingsystemscanbeparticularlyeffectiveindrysofttostiffclayeyorsiltydepositsbutalsocanworkwellundersaturatedconditions.Saturatedcohesionlesssoilssuchascleansandsmayflowandcaveduringdrilling(seeNote1).Inmanycases,theHSAsoilcoresamplingsystemcanproduceverylittledisturbancetothesampleandcanprovidesamplesforlaboratorytestsformeasurementofselectedengineeringproperties.Large-diametersoilcores,iftakencarefully,canprovideClassCandDsamplesasdescribedinPracticeD4220.TheHSAsystemscanalsoprovidedisturbedsamplesofunsaturatedsandsandgravelswithsomestructurepreserved.Full5-ft(1.5-m)longcoresusuallycannotbeobtainedinunsaturatedsandsduetoincreasingsidewallfrictionbetweenthedrysandsandinsidesurfaceofthesamplecorebarrel.Samplelengthof2to2.5ft.(0.60to0.75m)isgenerallythelimitofamountofsamplethatcanberecoveredinunsaturatedsandsbeforethefrictionbetweenthesamplerandthesandbecomestoohighandcausesblockingorpluggingofthesampler.Shorterlargediametercorerunsof2.5ftwiththe5-ftsamplebarrelsystem,orwitha2.5-ftsamplebarrelsystem,havegenerallyproventoresultinthebestsamples.Note18212;Researchonthin-wallpistonsamplingincleansandsindicatesthatingeneralitisimpossibletoobtaintrulyundisturbedsamplesofsaturatedcleansands.Thesesoilscandilateorcollapseuponinsertionofasamplingtube.Thehollow-stemaugerdouble-tubesystemcanonlyobtainpartitiallydisturbedsamplesofsandsbelowthewatertable.Hollow-stemaugerdrillingisconsideredashallowdrillingmethodwithmaximumdepthofdrillingof200to300ft(60to90m)dependingontorqueandpulldown/retractcapacityofthedrillingequipmentandsubsurfaceconditionsoftheformation(s)encountered.Saturatedlooseunconsolidateddepositsfurtherlimitmaximumdepththatcanbeattained.Hollow-stemaugerscanactascasings.......
【中国标准分类号】:D82
【国际标准分类号】:
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Soilquality—Determinationofchromium(VI)insolidmaterialbyalkalinedigestionandionchromatographywithspectrophotometricdetection
【原文标准名称】:土质.利用碱性消化和带光谱光度测量探测的离子色谱分析法测定土壤材料中铬(VI)含量
【标准号】:ISO15192-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-11-15
【实施或试行日期】:2010-11-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:强碱;化学分析和试验;化学元素;色谱法;铬;铬化合物;铬(AI);氧化铬;土壤组分;定义(术语);含量测定;有害健康;分解法;元件;保健;离子交换色谱法;质量浓度;数学计算;分析方法;光度测定的;光度测量法(化学分析);土壤普查;土壤;固体;试验报告;试验;痕量元素;废弃物处置;废弃物处理;废弃物
【英文主题词】:Alkalis;Chemicalanalysisandtesting;Chemicalelements;Chromatography;Chromium;Chromiumcompounds;Chromium(VI);Chromium(VI)oxide;Compositionoftheground;Definitions;Determinationofcontent;Detrimentaltohealth;Digestionmethod;Elements;Healthprotection;Ion-exchangechromatography;Massconcentration;Mathematicalcalculations;Methodsofanalysis;Photometric;Photometry(chemicalanalysis);Soilsurveys;Soils;Solids;Testreports;Testing;Traceelements;Wastedisposal;Wastehandling;Wastes
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofCr(VI)insolidwastematerialandsoilbyalkalinedigestionandionchromatographywithspectrophotometricdetection.ThismethodcanbeusedtodetermineCr(VI)massfractionsinsolidsgreaterthan0,1mg/kg.NOTEInthecaseofreducingoroxidizingwastematrix,novalidCr(VI)massfractioncanbereported.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10
【页数】:30P.;A4
【正文语种】:英语



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