【英文标准名称】:TestMethodforPolyurethaneRawMaterials:DeterminationofHydrolyzableChlorineofIsocyanates
【原文标准名称】:聚氨酯原材料的试验方法:异氰酸酯的可水解氯的测定
【标准号】:ASTMD4663-1993
【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】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:聚氨酯;异氰酸酯;氯化物;塑料;试验;测定
【英文主题词】:chlorides;isocyanates;polyurethane;determination;plastics;testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:13_300
【页数】:
【正文语种】:英语


【英文标准名称】:Geotextilesandgeotextile-relatedproducts-Guidelinesondurability
【原文标准名称】:土工布及相关产品耐久性指南
【标准号】:ISO/TR13434-1998
【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/TC38
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;纺织材料;变更;特性;土工织物;定义;定义;试验;耐力;材料试验;测定;建筑
【英文主题词】:Ageing(materials);Changing;Construction;Definition;Definitions;Determination;Geotextiles;Materialstesting;Properties;Resistance;Testing;Textiles
【摘要】:Thisguideisintendedtointroducethereadertothebasicconceptsofgeotextilesdurabilityanditsassessment.Considerationofthedesignparameters,theprojectconditionsandthegeotextilepropertiesleadstothedefinitionoftheappropriateteststobeperformedforassessingthedurabilityofthegeotextile.Geotextilesandgeotextile-relatedproducts(referredtobelowasgeotextiles)areavailableinawiderangeofcompositionsappropriatetodifferentapplicationsandenvironments.Thesyntheticpolymersusedconsistmainlyofpolyamide,polyester,polyethyleneandpolypropylene.Thesematerials,whencorrectlyprocessedandstabilised,areresistanttochemicalandmicrobiologicalattackencounteredinnormalsoilenvironmentsandfornormaldesignlives.Forsuchapplicationsonlyaminimumnumberofscreeningor"index"testsarenecessary.Forapplicationsinmoresevereenvironmentssuchassoiltreatedwithlimeorcement,landfillsorindustrialwaste,orforapplicationswithparticularlylongdesignlives,specialtestsincluding"performance"testswithsite-specificparametersmayberequired.Thisguidedoesnotcoverproductsdesignedtosurviveforalimitedtime,suchaserosioncontrolfabricbasedonnaturalfibres,nordoesitcovergeomembranes,norgeotextilesforasphaltreinforcement.Creepandcreep-rupture,whichshouldbetakenintoconsiderationforsoilreinforcementapplications,aredescribedinoutlinebuttheuseofthedatainreinforcedsoildesignwillbethesubjectofaseparatedocument.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:31P;A4
【正文语种】:英语