DIN V 44578-3-2006 室内电气采暖.水管输送的中央暖气系统的电蓄热锅炉性能特性.第3部分:要求

上一篇: DIN V 44578-4-2006 室内电气采暖.水管输送的中央暖气系统的电蓄热锅炉性能特性.第4部分:计算
下一篇: DIN 22261-3-2006 露天褐煤矿挖掘机、排土机和附属设备.第3部分:焊接、连接方式、分类和试验说明

【英文标准名称】:A.C.high-voltageswitchgearandcontrolgear.High-voltagealternatingcurrentcontactors.
【原文标准名称】:交流高压开关设备和控制装置.高压交流电接触器
【标准号】:NFC64-150-1985
【标准状态】:作废
【国别】:法国
【发布日期】:1985-06-01
【实施或试行日期】:1985-06-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;开关设备;接触器;高电压;交流电流
【英文主题词】:Alternatingcurrent;Contactors;Electricalengineering;Highvoltage;Switchgear
【摘要】:
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:27P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforInstallationofArticulatingConcreteBlock(ACB)RevetmentSystems
【原文标准名称】:活节混凝土块(ACB)护坡系统安装的标准实施规程
【标准号】:ASTMD6884-2003(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D18.25
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:articulatingconcreteblock(ACB)revetmentsystems;erosioncontrol;geotextile;subgrade;terminationtrenches;toe-ins;Articulatingconcreteblock(ACB)revetmentsystems;Erosion-resistantrevetment;Geotextiles;Revetments
【摘要】:Thisstandardisintendedforusebydesignersandcontractorstoassistinunderstandingtheimportanceofproperinstallationofarticulatingconcreteblockrevetmentsystemsinordertoachievesuitablehydraulicperformanceandmaintainstabilityagainsttheerosiveforceofflowingwater.Anarticulatingconcreteblocksystemiscomprisedofamatrixofindividualconcreteblocksplacedtogethertoformanerosion-resistantoverlaywithspecifichydraulicperformancecharacteristics.Thesystemincludesageotextileunderlaycompatiblewiththesubsoilthatallowshydraulicinfiltrationandexfiltrationtooccurwhileprovidingparticleretention.Theblockswithinthematrixshallbedenseanddurableandthematrixshallbeflexibleandporous.Articulatingconcreteblocksystemsareusedtoprovideerosionprotectiontounderlyingsoilmaterialsfromtheforcesofflowingwater.Thetermx201C;articulating,x201D;asusedinthisstandard,impliestheabilityofindividualblocksofthesystemtoconformtochangesinthesubgradewhileremaininginterconnectedbyvirtueofblockinterlockand/oradditionalsystemcomponentssuchascables,ropes,geotextiles,orgeogrids.Thedefinitionofarticulatingconcreteblocksystemsdoesnotdistinguishbetweeninterlockingandnon-interlockingblockgeometries,betweencable-tiedandnon-cable-tiedsystems,betweenvegetatedandnon-vegetatedsystemsorbetweenmethodsofmanufacturingorplacement.Furthermore,thedefinitiondoesnotrestrictorlimittheblocksize,shape,strength,orlongevity;however,guidelinesandrecommendationsregardingthesefactorsareincorporatedintothisstandard.Thisstandarddoesnotspecifysizerestrictionsforindividualblockunits.Blocksystemsareavailableineitheropen-cellorclosed-cellvarieties.Theinstallationofarticulatedconcreteblocksystemsshallbeperformedsoastomaintainintimatecontactbetweentheblocks,thegeotextilefilterandthesubgradethatthesystemisintendedtoprotect.1.1Thepurposeofthisstandardistoproviderecommendedguidelinesfortheproperinstallationofarticulatingconcreteblock(ACB)revetmentsystems.1.2Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacestandardofcarebywhichadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationsofaproject''smanyuniqueaspects.Thewordx201C;standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P25
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】:英语