【英文标准名称】:StandardPracticeforInstallationofMachineSpiralWoundPoly(VinylChloride)(PVC)LinerPipeforRehabilitationofExistingSewersandConduits
【原文标准名称】:现有排水沟和管道修复用机械螺旋缠绕聚氯乙烯(PVC)内衬管安装的标准实施规程
【标准号】:ASTMF1741-2008
【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】:F17.67
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:expandable;gravityapplications;installation-insertion;PVCprofilestrip;rehabilitation;spiralwoundlinerpipe;Installation--plasticpipematerials/applications;Rehabilitation--sewerlines;Undergroundinstallation--watersupply/distribut
【摘要】:Thispracticeisforusebydesignersandspecifiers,regulatoryagencies,owners,andinspectionorganizationswhoareinvolvedintherehabilitationofnon-pressuresewersandconduits.Modificationsmayberequiredforspecificjobconditions.1.1Thispracticedescribestheproceduresfortherehabilitationofsewerlinesandconduitsforexistingpipelines6to180in.indiameterbytheinsertionofamachine-madefield-fabricatedspiralwoundlinerpipeintotheexistingpipelineusingawindingmachinewhichremainsstationaryintheinsertionpitor,alternatively,whichtravelsalongtheinterioroftheexistingpipeline.Theserehabilitationprocessescanbeusedinavarietyofgravityapplicationssuchassanitarysewers,stormsewers,culverts,andprocesspiping.1.1.1Whenusingstationaryinstallationequipmentforexistingpipelines6to48in.,afterinsertion,thespiralwoundlinerpipeisexpandeduntilitpressesagainsttheinteriorsurfaceoftheexistingpipeline.Alternatively,forexistingpipelines6to108in.indiameter,thespiralwoundlinerpipeisinsertedasafixeddiameterintotheexistingpipelineandisnotexpanded,andtheannularspacebetweenthespiralwoundlinerpipeandtheexistingpipeisgrouted.1.1.2Whenusingthetravelinginstallationequipmentforexistingpipelines6to180in.thespiralwoundlinerpipeisinstalledincontactwiththeinteriorsurfaceoftheexistingpipelinetoformaclosefitliner,exceptinthecornersofrectangularpipesorwhereobstructionsoroffsetsoccur.Alternatively,forexistingpipelines6to180in.indiameterandforsimilarsizedexistingnoncircularpipelinessuchasarchedorovalorrectangularshapes,thespiralwoundlinerisinstalledasafixeddiameterintotheexitingpipelinetoformanon-closefitlinerandtheannularspacebetweenthespiralwoundlinerpipeandtheexistingpipeisgrouted.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3.1Particularattentionisdrawntothosesafetyregulationsandrequirementsinvolvingenteringintoandworkinginconfinedspaces.
【中国标准分类号】:Q81
【国际标准分类号】:83_080_20
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:ManufacturedWiringSystems
【原文标准名称】:制造的布线装置
【标准号】:ANSI/UL183-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:开关系统;制造
【英文主题词】:switchingsystems;manufacturing
【摘要】:
【中国标准分类号】:K10
【国际标准分类号】:29_060_20
【页数】:
【正文语种】:英语