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ASTM D3839-2008 玻璃纤维增强热固树脂管地下安装的标准指南

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【英文标准名称】:StandardGuideforUndergroundInstallationofx201C;Fiberglassx201D;(Glass-FiberReinforcedThermosetting-Resin)Pipe
【原文标准名称】:玻璃纤维增强热固树脂管地下安装的标准指南
【标准号】:ASTMD3839-2008
【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】:D20.23
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:backfill;bedding;fiberglasspipe;haunching;soilstiffness;undergroundinstallation;Backfill;Bedding;Fiberglasspipe;Glass-fiber-reinforcedthermosettingresin(“fiberglass”);Haunching;Nonpressurepiping;Reinforcedthermosetting
【摘要】:Thispracticeisforusebydesignersandspecifiers,manufacturers,installationcontractors,regulatoryagencies,owners,andinspectionorganizationsinvolvedintheconstructionofburiedfiberglasspipelines.Aswithanypractice,modificationsmayberequiredforspecificjobconditions,orforspeciallocalorregionalconditions.RecommendationsforinclusionofthispracticeincontractdocumentsforaspecificprojectaregiveninAppendixX1.1.1Thispracticeestablishesproceduresfortheburialofpressureandnonpressurex201C;fiberglassx201D;(glass-fiber-reinforcedthermosetting-resin)pipeinmanytypicallyencounteredsoilconditions.Includedarerecommendationsfortrenching,placingpipe,joiningpipe,placingandcompactingbackfill,andmonitoringdeflectionlevels.Guidanceforinstallationoffiberglasspipeinsubaqueousconditionsisnotincluded.1.2Productstandardsforfiberglasspipeencompassawiderangeofproductvariables.Diametersrangefrom1in.to13ft(25mmto4000mm)andpipestiffnessrangefrom9toover72psi(60to500kPa)withinternalpressureratingsuptoseveralthousandpoundforcepersquareinch.Thisstandarddoesnotpurporttoconsiderallofthepossiblecombinationsofpipe,soiltypes,andnaturalgroundconditionsthatmayoccur.Therecommendationsinthispracticemayneedtobemodifiedorexpandedtomeettheneedsofsomeinstallationconditions.Inparticular,fiberglasspipewithdiametersofafewinchesaregenerallysostiffthattheyarefrequentlyinstalledinaccordancewithdifferentguidelines.Consultwiththepipemanufacturerforguidanceonwhichpracticesareapplicabletotheseparticularpipes.1.3Thescopeofthispracticeexcludesproduct-performancecriteriasuchasaminimumpipestiffness,maximumservicedeflection,orlong-termstrength.Suchparametersmaybecontainedinproductstandardsordesignspecifications,orboth,forfiberglasspipe.Itisincumbentuponthespecifiedproductmanufacturerorprojectengineertoverifyandensurethatthepipespecifiedforanintendedapplication,wheninstalledinaccordancewithproceduresoutlinedinthispractice,willprovidealong-term,satisfactoryperformanceinaccordancewithcriteriaestablishedforthatapplication.Note18212;ThereisnosimilarorequivalentISOstandard.Note28212;AdiscussionoftheimportanceofdeflectionandapresentationofasimplifiedmethodtoapproximatefielddeflectionsaregiveninAWWAManualofPracticeM45FiberglassPipeDesign.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94;G31
【国际标准分类号】:23_040_20
【页数】:13P.;A4
【正文语种】:英语


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【英文标准名称】:Opticsandopticalinstruments-Preparationofdrawingsforopticalelementsandsystems-Part2:Materialimperfections-Stressbirefringence
【原文标准名称】:光学和光学仪器光学元件和系统制图准备第2部分:材料不完全性应力双折射
【标准号】:ISO10110-2-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:表示法;表示法;工程图;光学制品;不完全性;编写;图解表示法;光学仪器;光学;双折射;不合格的材料;定义;尺寸选定;尺寸公差;视图;意见
【英文主题词】:Birefringence;Definitions;Dimensionaltolerances;Dimensioning;Engineeringdrawings;Faultymaterial;Graphicrepresentation;Imperfections;Opticalequipment;Opticalinstruments;Optics;Representations;Views
【摘要】:Specifiesthepresentationofdesignandfunctionalrequirementsforopticalelementsandsystemsintechnicaldrawingsusedformanufacturingandinspection.Specifiestheindicationofthepermissiblestressbirefringenceinopticalelementsmadeofisotropicmaterial.
【中国标准分类号】:N30
【国际标准分类号】:01_100_20;37_020
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Europeandigitalcellulartelecommunicationssystem(phase1);rateadaptionontheMobileStation-BaseStationSystem(MSBSS)interface;englishversionI-ETS300025:1992
【原文标准名称】:欧洲数字移动电话远程通信系统(阶段1):移动站速率匹配.基础站系统接口;英文版本I-ETS300025:1992
【标准号】:DINVI-ETS300025-1993
【标准状态】:作废
【国别】:德国
【发布日期】:1993-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:无线电设备;移动无线电通信系统;数据传送;开关变电所;数据传输控制规程;数字电路;无线电发射机;传播学;界面;电信传输法;欧洲的;电信;无线电控制;电话系统;移动通信系统;数字连接;无线电通信;接口
【英文主题词】:Communication;Communications;Datatransfer;Datatransmissioncontrolprocedures;Digitalcircuits;Digitalconnections;Europe;European;Interfaces;Interfaces(dataprocessing);Mobilecommunicationsystems;Mobileradiosystems;Radiocontrol;Radioequipment;Radiotransmitters;Radiocommunication;Switchingsubstations;Telecommunication;Telecommunicationsystems;Telecommunicationtransmissionmethods;Telecommunications;Telephonesystems;Transmissionspeed
【摘要】:Thedocumentdescribestherateadaptationfunctionsusedforadaptingterminalinterfacedataratesatthemobilestation-basestationsysteminterface.
【中国标准分类号】:M37
【国际标准分类号】:33_070_50
【页数】:18P.;A4
【正文语种】:德语