MIL-PRF-24667C , PERFORMANCE SPECIFICATION, COATING SYSTEM, NON-SKID, FOR ROLL, SPRAY, OR SELF-ADHERING APPLICATIONS (22 MAY 2008) [SUPERSEDING DOD-C-24667 and MIL-D-23003A and MIL-D-24483A]., This specification covers non-skid systems, coatings, and coverings for application to weather decks, flight decks, and hangar decks of air capable amphibious aviation and aviation ships. Coatings are applied to steel, aluminum, reinforced plastic, and special hull treatment (SHT) surfaces by spraying, rolling, or other application method as designated by the manufacturer of the non-skid system.
【英文标准名称】:StandardTestMethodforFieldMeasurementofHydraulicConductivityLimitsofPorousMaterialsUsingTwoStagesofInfiltrationfromaBorehole
【原文标准名称】:使用从钻孔渗流的两个阶段对多孔材料液压传导性限值进行现场测量的标准试验方法
【标准号】:ASTMD6391-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:活性;电导性;水平的;液压装置;渗透;测量;多孔材料;阶段;试验方法;垂直
【英文主题词】:horizontalhydraulicconductivity;in-placehydraulicactivity;verticalhydraulicconductivity
【摘要】:1.1Thistestmethodcoversfieldmeasurementoflimitingvaluesforverticalandhorizontalhydraulicconductivities(alsoreferredtoascoefficientsofpermeability)ofporousmaterialsusingthetwo-stage,casedboreholetechnique.Theselimitinghydraulicconductivityvaluesarethemaximumpossiblefortheverticaldirectionandminimumpossibleforthehorizontaldirection.Determinationofactualhydraulicconductivityvaluesrequiresfurtheranalysisbyqualifiedpersonnel.1.2Thistestmethodmaybeutilizedforcompactedfillsornaturaldeposits,aboveorbelowthewatertable,thathaveameanhydraulicconductivitylessthanorequalto110-5m/s(110-3cm/s).1.3Hydraulicconductivitygreaterthan110-5m/smaybedeterminedbyordinaryboreholetests,forexample,U.S.BureauofReclamation7310();however,theresultingvalueisanapparentconductivity.1.4Forthistestmethod,adistinctionmustbemadebetween"saturated"(Ks)and"field-saturated"(Kfs)hydraulicconductivity.Truesaturatedconditionsseldomoccurinthevadosezoneexceptwhereimpermeablelayersresultinthepresenceofperchedwatertables.Duringinfiltrationeventsorintheeventofaleakfromalinedpond,a"field-saturated"conditiondevelops.Truesaturationdoesnotoccurduetoentrappedair().Theentrappedairpreventswaterfrommovinginair-filledporesthat,inturn,mayreducethehydraulicconductivitymeasuredinthefieldbyasmuchasafactoroftwocomparedwithconditionswhentrappedairisnotpresent().Thistestmethodsimulatesthe"field-saturated"condition.1.5Experiencewiththistestmethodhasbeenpredominantlyinmaterialshavingadegreeofsaturationof70%ormore,andwherethestratificationorplaneofcompactionisrelativelyhorizontal.Itsuseinothersituationsshouldbeconsideredexperimental.1.6Asinthecaseofalltestsforhydraulicconductivity,theresultsofthistestpertainonlytothevolumeofsoilpermeated.Extendingtheresultstothesurroundingarearequiresbothmultipletestsandthejudgmentofqualifiedpersonnel.Thenumberoftestsrequireddependsonamongotherthings:thesizeofthearea,theuniformityofthematerialinthatarea,andthevariationindatafrommultipletests.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandardunlessotherunitsspecificallyaregiven.BytraditioninU.S.practice,hydraulicconductivityisreportedincm/salthoughthecommonSIunitsforhydraulicconductivityarem/s.1.8AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.8.1Theproceduresinthisstandardthatareusedtospecifyhowdataarecollected,recorded,andcalculatedareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresdonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheobjectivesoftheuser.Increasingorreducingthesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderationsiscommonpractice.Considerationofthesignificantdigitstobeusedinanalysismethodsforengineeringdesignisbeyondthescopeofthisstandard.1.9Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thistestmethoddoesnotpurporttoaddressenvironmentalprotectionproblems,aswell.
【中国标准分类号】:Q17
【国际标准分类号】:07_060;73_100_30
【页数】:12P.;A4
【正文语种】:
基本信息
| 标准名称： | 碳弧气刨使用技术条件 |
| 中标分类： |
船舶 >>
船舶综合 >>
船舶工艺 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
造船和海上建筑通用标准
|
| 替代情况： | 替代CB/Z 67-62;被CB/Z 67-2008代替 |
| 发布日期： | |
| 实施日期： | 1982-03-04 |
| 首发日期： | |
| 作废日期： | 2008-10-01 |
| 出版日期： | |
| 页数： | 4页 |
适用范围
本技术条件作为碳钢、低合金高强度钢、不锈钢等船用钢及其焊缝进行碳弧气刨的指导资料。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 船舶 船舶综合 船舶工艺 造船和海上建筑物 船舶和海上建筑物综合 造船和海上建筑通用标准