【英文标准名称】:StandardSpecificationforPrecastReinforcedConcreteManholeSections[Metric]
【原文标准名称】:预制钢筋混凝土检修孔构件的标准规范(米制)
【标准号】:ASTMC478M-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【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】:混凝土;建筑;施工材料;米制的;增强的;竖井;水
【英文主题词】:Concretes;Construction;Constructionmaterials;Metric;Reinforced;Shafts;Water
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:13_060_30
【页数】:9P;A4
【正文语种】:英语


【英文标准名称】:Durabilityofwoodandwood-basedproducts-Fieldandacceleratedconditioningtests(FACT)forwoodpreservativeoutofgroundcontact
【原文标准名称】:木材和木基制品耐用性.不接触地面的木材防腐剂的现场和加速处理试验(FACT)
【标准号】:PDCEN/TR14723-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003
【实施或试行日期】:2003
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisTechnicalReportpresentsasummaryoftheresearchoftheS.M.T.Project:F.A.C.T,SMT4CT962135.AssuchitdetailsthesupportinginformationfortheproposalsforanewconditioningstandardtoreplaceEN73andEN84andformodificationandvalidationofENV12037.ThefullreportispresentedandreferencedtoTechnicalannexes,whichareavailableonrequest.TheFACTprojectinvolvedthestudyofthefateofchosenwoodpreservativesinfieldandlaboratorytestsandtheaffectonbiologicalperformance.Theworkconsistedoffourcoretasksandassociatedsub-tasksdesignedtoprovidethescientificbackgroundtotheproposalsmade.Task1Thisconsistedofastudyofartificialweatheringtechniquesfortheconditioningoftreatedtestblockspriortobiologicaltest.ItwasoriginallyhopedthatitmightbepossibletorelatedifferentweatheringcyclestothedifferentclimaticconditionsfoundwithinEurope.HoweverthisdidnotprovepossiblebutitispossibletorecommendasingleweatheringcycletoreplacetheuseofEN73andEN84.Adraftexperimentalstandardhasbeenpreparedbasedonthefindingsofthiswork.AllthesupportingdataandassociatedstudiesaresummarisedinthisTechnicalreportinclauses5and6.Task2ThistaskconsistedofanextensivefieldtestbasedonENV12037andassociatedsub-tasks.ThemethodprovedveryrobustbutsignificantmodificationsarerecommendedandtheENVistoberedraftedinthelightofresultscontainedinthisreport.Thisfieldtestshouldbeconsideredas‘simulatedservicetrial’ratherthananacceleratedfieldtest;aconceptthatneedscarefulconsiderationwithintheEN599framework.Sub-tasks2.3and2.4examinedthesuitabilityofthemethodforcompositesandthetestingofnaturallydurabletimbers.Atthisstageitistooearlytomakerecommendationfortheirinclusioninthestandardbuttheresultslookpromisingandthemethodwillprobablybemodifiedatalaterrevision.Tasks3and4Thesetasksexaminedtheroleofbio-conditioningoftestsamplesin‘useclass’3and4.Theresultsarepresentedinclauses8and9andclearlyindicatetheimportanceofthissubject.Itisrecommendedthaturgentattentionisgiventotakingthisworkfurtherparticularlyforthetestingoforganicbasedpreservatives.Althoughnotyetreadyforstandardisation,theresultspresentedherewillproveinvaluabletoindustryindesigningdevelopmentprogrammesforthenewgenerationoforganicbasedpreservatives.Insummary:anewexperimentalstandardwillbeproducedtoreplaceEN73andEN84forthephysicalconditioningoftestblocks;ENV12037willbemodifiedtotakeintoaccounttheextensivefindingsoftheproject;theuseofENV12037fornaturaldurabilityandcompositetestingwillbeconsideredwhenmoreresultsareavailable;furtherworkonbiologicalconditionsisurgentlyrecommended.
【中国标准分类号】:B71
【国际标准分类号】:71_100_50
【页数】:77P.;A4
【正文语种】:英语