【英文标准名称】:Officemachines;destructionofinformationmedia;machinesanddevices;requirementsandtesting
【原文标准名称】:办公技术和数据技术.信息载体撤消.机器和设备.要求和检验
【标准号】:DIN32757T.1-1985
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
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【英文标准名称】:StandardTestMethodforExternalPressureResistanceof"Fiberglass"(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe
【原文标准名称】:增强的热固树脂管抗外部压力性能的标准试验方法
【标准号】:ASTMD2924-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:热固性聚合物;塑料;管;试验
【英文主题词】:externalpressureresistance;fiberglasspipe;pipe;reinforcedpolymermortarpipe(RPMP);reinforcedthermosetting-resinpipe(RTRP)
【摘要】:Thevaluesobtainedbythistestmethodareapplicableonlytoconditionsthatspecificallyduplicatetheproceduresused.Afterascalingconstantisdeterminedforonediameter,thismaybeusedforcalculatingtheexternalfailurepressuresofotherdiametersaslongastheresinandreinforcement(ifused),thewallthickness-to-diameterratio,andthereinforcementpattern(ifreinforcementisused)arethesame.Note38212;Basedupontestsconductedononesizeofpipe,ascalingconstantiscalculatedaccordingto12.1or12.2.Theappropriateconstantisusedtocalculatefailurepressureforotherpipediameters,butitcanonlybeappliedifthesameresinandreinforcementareused,thewallthicknesstodiameterratiosaresimilar,andthereinforcementpatternisconstant.Intheapplicationofthefollowingtestrequirementsandrecommendations,caremustbeexercisedtoensurethatthespecimenstestedaretrulyrepresentativeofthegroupbeingstudied.FIG.1ApparatusShowingSpecimenLoadingwithBothHoopandAxialLoadsFIG.2ApparatusShowingSpecimenLoadingwithHoopLoadOnly1.1Thistestmethodcoversdeterminationoftheresistanceoffiberglasspipetoexternalpressure.Itclassifiesfailuresasbuckling,compressive,andleaking.Bothglass-fiber-reinforcedthermosetting-resinpipe(RTRP)andglass-fiber-reinforcedplasticmortarpipe(RPMP)arefiberglasspipes.Note18212;Forthepurposesofthisstandard,polymerdoesnotincludenaturalpolymers.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.TheSIunitsgiveninparenthesesareforinformationonly.Note18212;ThereisnosimilarorequivalentISOstandard.1.3Thisstandarddoesnotpurporttoaddressallofhesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:4P.;A4
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