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ASTM F1962-2005e1 包括渡口在内的障碍物下聚乙烯管线更换时最大水平方向钻孔法使用的标准指南

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【英文标准名称】:StandardGuideforUseofMaxi-HorizontalDirectionalDrillingforPlacementofPolyethylenePipeorConduitUnderObstacles,IncludingRiverCrossings
【原文标准名称】:包括渡口在内的障碍物下聚乙烯管线更换时最大水平方向钻孔法使用的标准指南
【标准号】:ASTMF1962-2005e1
【标准状态】:现行
【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(US-ASTM)
【起草单位】:F17.67
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Maxi-horizontaldirectionaldrilling;Naturalgasservicesystems;Petroleumproducts;Polyethylene(PE)pipe;Rivers;Sewerpipe(thermoplastic);Telecommunications;Undergroundinstallation--watersupply/distributionsystems;Design--pipingsystems;Con
【摘要】:1.1Thisguidedescribesthedesign,selectionconsiderations,andinstallationproceduresfortheplacementofpolyethylenepipeorconduitbelowgroundusingmaxi-horizontaldirectionaldrillingequipment.Thepipesorconduitsmaybeusedforvariousapplicationsincludingtelecommunications,electricpower,naturalgas,petroleum,waterlines,sewerlines,orotherfluidtransport.1.2Horizontaldirectionaldrillingisaformoftrenchlesstechnology.Theequipmentandproceduresareintendedtominimizesurfacedamage,restorationrequirements,anddisruptionofvehicularormaritimetrafficwithlittleornointerruptionofotherexistinglinesorservices.Mini-horizontaldirectionaldrilling(min-HDD)istypicallyusedfortherelativelyshorterdistancesandsmallerdiameterpipesassociatedwithlocalutilitydistributionlines.Incomparison,maxi-horizontaldirectionaldrilling(maxi-HDD)istypicallyusedforlongerdistancesandlargerdiameterpipescommoninmajorrivercrossings.Applicationsthatareintermediatetothemini-HDDormaxi-HDDcategoriesmayutilizeappropriatex201C;medix201D;equipmentofintermediatesizeandcapabilities.Insuchcases,thedesignguidelinesandinstallationpracticeswouldfollowthosedescribedforthemini-ormaxi-HDDcategories,asjudgedtobemostsuitableforeachsituation.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityoftheregulatorylimitationspriortouse.Section6containsgeneralsafetyinformationrelatedtotheuseofmaxi-horizontaldirectionaldrillingequipment.
【中国标准分类号】:G33
【国际标准分类号】:83_140_30
【页数】:19P.;A4
【正文语种】:英语


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【英文标准名称】:Plastics.Methodsofexposuretodirectweathering,toweatheringusingglass-filtereddaylight,andtointensifiedweatheringbydaylightusingFresnelmirrors.
【原文标准名称】:塑料.暴露于直接风化、玻璃过滤的日光风化及使用屈折反光镜对日光增强风化的方法
【标准号】:NFT51-169-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-07-01
【实施或试行日期】:1997-07-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:镜子;测定;风化;试验条件;全球辐射;塑料;大气影响;试样;结果;影响因素;自然采光;定义;试验;材料试验;屈光反射透镜;太阳辐射;耐力;试验设备
【英文主题词】:Atmosphericinfluences;Definition;Definitions;Determination;Fresnellens;Globalradiation;Influencefactors;Materialstesting;Mirrors;Naturallighting;Plastics;Resistance;Results;Solarradiation;Testequipment;Testspecimens;Testing;Testingconditions;Tests;Weathering
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:31P.;A4
【正文语种】:其他