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ANSI/ASTM F1668-2008 埋设的塑料管施工程序用指南

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【英文标准名称】:GuideforConstructionProceduresforBuriedPlasticPipe
【原文标准名称】:埋设的塑料管施工程序用指南
【标准号】:ANSI/ASTMF1668-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-03-25
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:搬运;安装说明书;塑料管
【英文主题词】:Handling;Instructionsofinstallation;Plasticpipes
【摘要】:Thisguidedescribesinstallationtechniquesandconsiderationsforopen-cutconstructionofburiedpipe.Althoughthisguidewasdevelopedforplasticpipe,theconceptsofprovidingtheappropriatesoilsupport,careinhandling,correctjoiningtechniques,propersoilcompactionmethods,andpreventionofinstallationdamagemayapplytoanypipe.Plasticpipereferstothermoplasticandfiberglasspipe.Thermoplasticpipereferstopipefabricatedfrompolyvinylchloride(PVC),polyethylene(PE),acrylonitrile-butadienestyrene(ABS),polybutylene(PB),orpolypropylene(PP).AlistofASTMspecificationsfortheseproductsisgivenin.Fiberglasspipereferstoaglass-fiber-reinforcedthermosetting-resinpipe.AlistofASTMspecificationsfortheseproductsisgivenin.Note1cannotbeconsideredinclusivebecausetheremaybeunlisted,recentlyadoptedASTMspecificationsfornewproductsthatmaybeinstalledusingthisguide.Note2OnlyafewoftheASTMspecificationslistedinincludetheassociatedfittings.Whilethisguideappliestotheinstallationofpipe,couplings,andfittings,noattemptwasmadetolistallthepossiblefittingspecificationsthatmaybeusedinconjunctionwiththepipespecifications.Consulteachspecificationormanufacturerforappropriatefittingstandards.Forsimplification,thetermpipewillbeusedinthisdocumenttomeanpipesections,fittings,andcouplings.ThisguidecontainsgeneralconstructioninformationapplicableforplasticpipeandsupplementstheinstallationstandardsforthevarioustypesofpipeasdescribedinPracticesD2321,D2774,D3839,F690,F1176,andGuideF645.Flexiblepipe,suchasthermoplasticandfiberglass,aretypicallydesignedtorelyonthestiffnessofthesoilsurroundingthepipeforsupport.Thecontractdocumentsshoulddescribetherequirementsofanappropriatesoilsupportsystem.Theconstructionpracticesdescribedinthisguidecanbeinstrumentalinattainingtherequiredsoilstiffness.Adiscussionoftheinteractionbetweenaburiedpipeandthesurroundingsoilandtheimportanceofattainingpropersoilsupportisin.Followingtheseguidelineswillbehelpfulinpreventinglocaldeformationsinthepipe.Thisguidedoesnotcoverunderwaterinstallation,pipethatneedstobesupportedonpiling,perforatedpipeusedfordrainage,orgaspipelines.Pipelinesthroughareasdescribedas"expansivesoils,""collapsingsoils,"landfillsorwater-loggedland(suchasswamps)shouldbeconstructedusingsite-specificinstallationproceduresandarenotdiscussedinthisguide.Thisguideisnotintendedtocoverallsituations.Specificpipecharacteristics,fluidtransported,localsiteconditions,environmentalconcerns,ormanufacturer'srecommendationsmayrequiredifferentguidelines.Theconstructionpracticespresentedinthisguidemaybeaffectedbytheinstallationrequirementsofowners,specifyingorganizations,orregulatoryagenciesforpipelinescrossingroadsandhighways,otherpipelinesorcables,orwaterwayssuchasstreams,drainagechannels,orfloodways.Culvertsorpipethatareusedaspassagesthroughwaterretainingembankments(forexample,earthdams)maybeconstructedusingtheprinciplesofthisguide,ifappropriateprovisionsaremadetopreventwatermovementalongtheoutsideofthepipe(usingimpervioussoils,cutoffcollars,headwalls,etc.).ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesaregivenforinformationonly.Note3ThereisnosimilarorequivalentISOstandardcoveringtheprimarysubjectmatterofthisguide.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语


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基本信息
标准名称:瓷绝缘子干法数控修坯机
英文名称:CNC Dry type porcelain insulator boring and truning machine
中标分类: 电工 >> 电工生产设备 >> 电瓷生产设备
ICS分类: 电气工程 >> 电工设备元件 >> 电工设备元件综合
发布部门:中华人民共和国工业和信息化部
发布日期:2010-02-11
实施日期:2010-07-01
首发日期:
作废日期:
归口单位:全国电工专用设备标委会
起草单位:西安启源机电装备股份有限公司
出版社:机械工业出版社
出版日期:2010-07-01
适用范围

本标准规定了瓷绝缘子干法数控修坯机的型号编制、技术要求、试验方法、检验规则及标志、包装、运输与贮存。
本标准适用于电瓷等静压干法生产工艺中,原料经制浆、喷雾干燥、压制成的干坯(含水量<1.5%)的自动切削成型。

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所属分类: 电工 电工生产设备 电瓷生产设备 电气工程 电工设备元件 电工设备元件综合
【英文标准名称】:StandardTestMethodforApparentDensityofRigidCellularPlastics
【原文标准名称】:刚性泡沫塑料表观密度的试验方法
【标准号】:ASTMD1622-2008
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentcoredensity;apparentdensity;apparentoveralldensity;density;rigidcellularplastics;sprayfoam;Density--plastics;Rigidcellularplastics
【摘要】:Ifthematerialtobetestedincludesformingskins,theapparentoveralldensity,ortheapparentcoredensity,orboth,shallbedetermined.Ifthematerialdoesnothaveformingskins,thetermoveralldensityisnotapplicable.Thistestmethodisalsoapplicabletosprayfoammaterials.Beforeproceedingwiththistestmethod,referenceshallbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredintherelevantASTMmaterialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.IftherearenorelevantASTMmaterialspecifications,thenthedefaultconditionsinthismethodapply.1.1Thistestmethodcoversthedensityofacellularplastic.Densitycanbeevaluatedastheapparentoveralldensity(includesformingskins)orbyapparentcoredensity(formingskinsremoved).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodisequivalenttoISO845.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:4P.;A4
【正文语种】:英语