ANSI/AWS D1.7/D 1.7M-2009 现有结构的加固和修理指南
时间:2024-05-14 07:18:07 来源: 标准资料网 作者：标准资料网 阅读：8035
【英文标准名称】:GuideforStrengtheningandRepairingExistingStructures
【原文标准名称】:现有结构的加固和修理指南
【标准号】:ANSI/AWSD1.7/D1.7M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:损坏修复;评估;热学;检修;取样;型钢;平直;加固;测试;可焊性;焊接工艺;焊缝
【英文主题词】:Damagerepair;Evaluation;Heat;Repairs;Sampling;Sections;Straightening;Strengthening;Testing;Weldability;Weldingprocesses;Welds
【摘要】:Thisguideprovidesinformationonstrengtheningandrepairingexistingstructures.Includedaresectionsonweldability,evaluationofexistingwelds,testingandsampling,heatstraightening,anddamagerepair.
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:
【正文语种】:英语
【英文标准名称】:Fibreopticattenuators-Part1:Genericspecification
【原文标准名称】:纤维光学衰减器第1部分:总规范
【标准号】:IEC60869-1-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:质量;特性;电气工程;定义;定义;试验;光波导;连接;组件;质量保证;评定;无源的;质量评定;纤维光学;元部件;光纤;总规范;衰减;规范
【英文主题词】:Attenuators;Components;Connections;Definitions;Electricalengineering;Evaluations;Fibreoptics;Genericspecification;Opticalwaveguides;Passive;Properties;Quality;Qualityassessment;Qualityassurance;Specification;Testing
【摘要】:ThispartofIEC60869appliestofibreopticattenuators.Thesehaveallofthefollowinggeneralfeatures:-theyarepassiveinthattheycontainnoopto-electronicorothertransducingelements;-theyhavetwoportsforthetransmissionofopticalpowerandattenuatethetransmittedpowerinafixedorvariablefashion;-theportsareopticalfibresoropticalfibreconnectors.Thisstandardestablishesuniformrequirementsforthefollowing:-attenuatorrequirements;-qualityassessmentprocedures.Thisstandarddoesnotcovertestandmeasurementprocedures,whicharedescribedinIEC61300-1,intheserieIEC61300-2andtheserie61300-3.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:47P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAirborneSoundAttenuationBetweenRoomsSharingaCommonCeilingPlenum
【原文标准名称】:共用一个天花板中通风系统的房间之间气载噪声衰减率的标准试验方法
【标准号】:ASTME1414-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E33.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:内部配件;空气噪声测量;测试方法;试验方法
【英文主题词】:airbornesoundattenuation;commonceilingplenum;suspendedceiling
【摘要】:1.1Thistestmethodutilizesalaboratoryspacesoarrangedthatitsimulatesapairofhorizontallyadjacentsmallofficesorroomsseparatedbyapartitionandsharingacommonplenumspace.Thepartitioneitherextendstotheundersideofacommonplenumspaceorpenetratesthroughit.Intheprescribedconfiguration,specialdesignfeaturesofthefacilityensurethattheonlysignificantsoundtransmissionpathisbywayoftheceilingandtheplenumspace1.2Withinthelimitationsoutlinedinthesignificancestatement,theprimaryquantitymeasuredbythistestmethodistheceilingattenuationofasuspendedceilinginstalledinalaboratoryenvironment.Byaccountingforreceivingroomsoundabsorption,thenormalizedceilingattenuationmaybedetermined.1.3Thetestmethodmayalsobeusedtoevaluatetheattenuationofcompositeceilingsystemscomprisedoftheceilingmaterialandothercomponentssuchasluminairesandventilatingsystems.1.4Thefieldperformanceofaceilingsystemmaydiffersignificantlyfromtheresultsobtainedbythistestmethod(seeSection,SignificanceandUse,andTestMethodE336).1.5Theproceduresmayalsobeusedtostudytheadditionalsoundinsulationthatmaybeachievedbyotherattenuationmeasures.Thiswouldincludematerialsusedeitherasplenumbarriersorasbackingforallorpartoftheceiling.1.6Thefacilitymayalsobeusedtostudytheperformanceofanintegratedsystemcomprisingplenum,ceiling,andpartition,testedasasingleassembly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:91_120_20
【页数】:8P.;A4
【正文语种】: