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【英文标准名称】:Plasticspipingsystems-Glass-reinforcedthermosettingplastics(GRP)pipes-Determinationoftheapparentinitialcircumferentialtensilestrength
【原文标准名称】:塑料管道系统玻璃纤维增强热固性塑料(GRP)管材表面内周拉伸强度的测定
【标准号】:ISO8521-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-12
【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/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:抗拉强度;试验;热固性聚合物;塑料管;管道;玻璃纤维增强塑料;定义
【英文主题词】:Definitions;Glass-fibrereinforcedplastics;Pipelines;Plasticpipes;Tensilestrength;Testing;Thermosettingpolymers
【摘要】:Thisstandardspecifiessixtestmethodsforthedeterminationoftheapparentinitialtensilestrengthinthecircumferentialdirectionperunitlengthofglass-reinforcedthermosettingplastics(GRP)pipes.Thebursttest(methodA)issuitableforalltypesandsizesofpipes.Itisthereferencemethod.Thesplitdisctest(methodB)maynotbesuitableforpipeswithhelicallywoundreinforcinglayers.Thestriptest(methodC)andthemodifiedstriptest(methodD)aresuitableforpipeswithanominalsizeofDN500andgreater.Therestrainedstriptest(methodE)issuitableforalltypesofpipeswithanominalsizegreaterthanDN500.Thenotchedplatetest(methodF)isprimarilyintendedforuseforhelicallywoundpipesofnominalsizegreaterthanDN500withawindingangleotherthanapproximately90°Resultsfromonemethodarenotnecessarilyequaltotheresultsderivedfromanyofthealternativemethods.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:17P.;A4
【正文语种】:英语