作者:标准资料网 时间:2024-05-23 09:26:53   浏览:8386   来源:标准资料网

【英文标准名称】:GuideforUseofMaxi-HorizontalDirectionalDrillingforPlacementofPolyethylenePipeorConduitUnderObstacles,IncludingRiverCrossings
【原文标准名称】:包括渡口在内的障碍物下安放聚乙烯管道时最大水平方向打眼指南
【标准号】:ANSI/ASTMF1962-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Civilengineering;Conduits;Drilling(mineralextraction);Installation;Plasticpipes;Polyethylene
【摘要】:Thisguidedescribesthedesign,selectionconsiderations,andinstallationproceduresfortheplacementofpolyethylenepipeorconduitbelowgroundusingmaxi-horizontaldirectionaldrillingequipment.Thepipesorconduitsmaybeusedforvariousapplicationsincludingtelecommunications,electricpower,naturalgas,petroleum,waterlines,sewerlines,orotherfluidtransport.Horizontaldirectionaldrillingisaformoftrenchlesstechnology.Theequipmentandproceduresareintendedtominimizesurfacedamage,restorationrequirements,anddisruptionofvehicularormaritimetrafficwithlittleornointerruptionofotherexistinglinesorservices.Mini-horizontaldirectionaldrilling(min-HDD)istypicallyusedfortherelativelyshorterdistancesandsmallerdiameterpipesassociatedwithlocalutilitydistributionlines.Incomparison,maxi-horizontaldirectiondrilling(maxi-HDD)istypicallyusedforlongerdistancesandlargerdiameterpipescommoninmajorrivercrossings.Applicationsthatareintermediatetothemini-HDDormaxi-HDDcategoriesmayutilizeappropriate"medi"equipmentofintermediatesizeandcapabilities.Insuchcases,thedesignguidelinesandinstallationpracticeswouldfollowthosedescribedforthemini-ormaxi-HDDcategories,asjudgedtobemostsuitableforeachsituation.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Section6containsgeneralsafetyinformationrelatedtotheuseofmaxi-horizontaldirectionaldrillingequipment.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语