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ASTM F1741-2008 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

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【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


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Product Code:SAE AMS5754
Title:Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, 47.5Ni - 22Cr - 1.5Co - 9.0Mo - 0.60W - 18.5Fe, Solution Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging, flash welded rings, or heading.
基本信息
标准名称:氧化锆 氧化铪中钛量的测定(二安替吡啉甲烷吸光光度法)
英文名称:Zirconium and hafnium oxides--Determination of titanium content--Diantipyrymethane photometric method
中标分类: 冶金 >> 金属化学分析方法 >> 稀有金属及其合金分析方法
ICS分类: 化工技术 >> 无机化学 >> 氧化物
替代情况:原标准号GB/T 2590.6-1981;被YS/T 568.6-2008代替
发布日期:2006-07-27
实施日期:2006-10-11
首发日期:
作废日期:2008-09-01
出版社:中国标准出版社
出版日期:2006-10-11
页数:2页
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所属分类: 冶金 金属化学分析方法 稀有金属及其合金分析方法 化工技术 无机化学 氧化物