【英文标准名称】:Spaceproductassurance-Themanualsolderingofhigh-reliabilityelectricalconnections
【原文标准名称】:空间产品保证.高可靠性电气连接件的手动钎焊
【标准号】:BSEN50390-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09-14
【实施或试行日期】:2004-09-14
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptanceinspection;Aerospacetransport;Airtransport;Cableconnections;Cleaning;Connectionpoints;Definition;Definitions;Electricalengineering;Erecting(constructionoperation);Fixings;Materials;Performancetests;Qualityassurance;Qualitymanagement;Reliability;Solderedjoints;Solderingpoints;Spacesafety;Spacetransport;Testing;Wireterminations;Wires
【摘要】:Thisstandarddefinesthetechnicalrequirementsandqualityassuranceprovisionsforthemanualsolderingofhigh-reliabilityelectricalconnectionsintendedforuseinspacecraftandassociatedequipment.Therigorousrequirementssetbythisstandardensurethehighreliabilityofhand-solderedelectricalconnectionsintendedtowithstandnormalterrestrialconditionsandthevibrationalG-loadsandenvironmentimposedbyspaceflight.Thepropertools,correctmaterials,designandworkmanshiparecoveredbythisstandard.Acceptanceandrejectioncriteriaarestatedandsomeworkmanshipstandardsareincludedtodiscriminatebetweenproperandimproperwork.Wave-solderingprocessesandsurfacemounttechnologiesarespecifiedinseparatedocuments,andthoseprocessesrequiretobeverifiedasprescribedintherespectivestandard.
【中国标准分类号】:V16
【国际标准分类号】:49_060
【页数】:70P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforInSituMeasurementOfMasonryMortarJointShearStrengthIndex
【原文标准名称】:砖用泥浆粘接剪切强度指数现场测量的标准试验方法
【标准号】:ASTMC1531-2009
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:C15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coefficientoffriction;flatjack;insitu;masonry;mortarjoint;nondestructiveevaluation;shearstrength;Coefficientoffriction(COF);Flatjackmethod;In-situinspection/analysis;Jointstrength;Masonrymortar;Nondestructiveevaluation(NDE
【摘要】:ThemasonrymortarjointshearstrengthindexobtainedbythistestmethodisrelatedtothemasonrywallshearstrengthbyarelationshipcontainedwithinAppendixChapter1oftheUniformCodeforBuildingConservation.TheuserofthisstandardiscautionedthattheshearstrengthrelationshipcontainedwithintheUniformCodeforBuildingConservationisanempiricalrelationshipbasedontestsofearly20th-centuryunreinforcedbrickmasonry.Therelationshipassumesthatwallshearstrengthislimitedbyshearofthemortarjointsratherthanshearthroughtheunits.Forhollowungroutedorsolidunitmasonryconstructiontheshearstrengthindexismeasuredonlyforthemortarbedjointsverticallyadjacenttotheunitbeingtested.Whentestinghollowungroutedmasonryconstruction,theshearstrengthindexisbasedonthehorizontalinterfacebetweenthemortarandthetestunitandthemasonryaboveandbelowthetestunit.Inthecaseofmulti-wytheconstruction,themeasuredmortarjointshearstrengthindexisapplicableonlytothewytheinwhichthetestunitislocated;noheadersshallexistimmediatelyaboveorbelowthetestunit.Thecontributionofanyexistingcollarjointmortartothemeasuredshearstrengthindexisneglected,andthismayleadtoanoverestimateoftheshearstrengthindex.ThetestprocedurelistedforMethodAmaybeconductedasanextensionofTestMethodC1197.Thetwo-flatjacktest,conductedinaccordancewithTestMethodC1197,provideshalfoftherequiredtestsetupforMethodA.AtthecompletionoftheMethodAtest,onewouldknowthemeasurednormalcompressivestress,thedeformabilityofthemasonryatthetest,andtherelationshipbetweentheexpectedjointshearstrengthindexandthenormalcompressivestress.1.1Thesetestmethodscoverproceduresforthedeterminationoftheaverageinsitumortarjointshearstrengthindexinexistingunreinforcedsolid-unitandungroutedhollow-unitmasonrybuiltwithclayorconcreteunits.Threemethodsareprovided:1.1.1MethodA(withFlatjacksControllingNormalCompressiveStress)8212;FordeterminingmortarjointshearstrengthindexwhenthestateofnormalcompressivestressatthetestsiteiscontrolledduringthetestusingtheflatjackmethoddescribedinTestMethodC1197.Horizontaldisplacementofthetestunitismonitoredthroughoutthetest.ThetestsetupforMethodAisshowninFig.1.1.1.2MethodB(withoutFlatjacksControllingNormalCompressiveStress)8212;Fordeterminingmortarjointshearstrengthindexwhenusinganestimateofthenormalcompressivestressatthelocationofthetestsite.Horizontaldisplacementofthetestunitisnotmonitoredduringthisprocedure.ThetestsetupforMethodBisshowninFig.2.1.1.3MethodC(withFlatjackApplyingHorizontalLoad)8212;Fordeterminingmortarjointshearstrengthindexusinganestimateofthenormalcompressivestressatthelocationofthetestsite,asshowninFig.3.Horizontaldisplacementofthetestunitisgenerallynotmeasuredduringthisprocedure.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriorto......
【中国标准分类号】:Q13
【国际标准分类号】:91_080_30
【页数】:7P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 圆形成件卡箍通用规范 |
| 中标分类： |
航空、航天 >>
航空器与航天器零部件 >>
管件、卡箍、密封件 |
| 发布日期： | 1998-06-26 |
| 实施日期： | 1998-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 6页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空 航天 航空器与航天器零部件 管件 卡箍 密封件