BS EN 853-1997 软管和软管组件.金属丝编织加强的液压用类型.规范
时间:2024-05-23 14:39:33 来源: 标准资料网 作者：标准资料网 阅读：8133
【英文标准名称】:Rubberhosesandhoseassemblies—Wirebraidreinforcedhydraulictype—Specification
【原文标准名称】:软管和软管组件.金属丝编织加强的液压用类型.规范
【标准号】:BSEN853-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-06-15
【实施或试行日期】:1997-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:耐久试验;长度;液压设备;耐磨性;耐油试验;半径;臭氧;粘结强度;漏泄试验;压力试验;电枢;编带;工作压力;耐水性试验;名称与符号;厚度;尺寸变化;液压液;管;增强的材料;柔性管;流体设备;天然橡胶;压力;直径;合成橡胶;尺寸公差;耐化学性试验;弯曲;金属线;作标记
【英文主题词】:Anchors;Dimensionaltolerances;Dimensions;Flexiblepipes;Fluidengineering;Fluidtechnology;Hoseassemblies;Hydraulicfluids;Hydraulichoses;Layers;Layersofbraidedwires;Marking;Materials;Plasticpipes;Plasticshose;Reinforcedhoses;Rubber;Rubberhoses;Specification;Specification(approval);Storage;Syntheticrubber;Testing;Vulcanizedrubber;Watersupplyengineering;Wirecores;Wirenetting;Wirenettings
【摘要】:ThisEuropeanStandardspecifiesrequirementsforfourtypesofwirebraidreinforcedhosesandhoseassembliesofnominalborefrom5to51.Theyaresuitableforusewith:-hydraulicfluidsinaccordancewithISO6743-4withtheexceptionofHFDR,HFDSandHFDTattemperaturesrangingfrom—0℃to+100℃;-waterbasedfluidsattemperaturesrangingfrom-40℃to+70℃;-waterattemperaturesrangingfrom0℃to+70℃Thestandarddoesnotincluderequirementsforendfittings.Itislimitedtotheperformanceofhosesandhoseassemblies.NOTE1.Thehosesarenotsuitableforusewithcastoroilbasedandesterbasedfluids.NOTE2.Hosesandhoseassembliesshouldnotbeoperatedoutsidethelimitsofthisstandard.NOTE3.Requirementsforhydraulichosesforundergroundminingarestandardizedinseparatestandards.
【中国标准分类号】:J04
【国际标准分类号】:23_100_40;23_040_70
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRockBoltLong-TermLoadRetentionTest
【原文标准名称】:岩石锚栓长期负载保持力试验方法
【标准号】:ASTMD4436-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anchors(rock);fieldtesting;loadingtests;mines;pulltesting;rock;Pulltesting;Rockmaterials/properties/analysis;Anchorbolts;Fieldtesting--rock;Loadingtests--rock/relatedmaterials;Mines
【摘要】:Rockboltsareusedforsupportinavarietyofminingandcivilengineeringsituations.Afteraboltisinstalled,theloadgenerallydecreasesovertimeduetodeteriorationoftheboreholewall,creep,andotherfactors.Thisprocessmaybearrestedbyfullyencapsulatingtheboltshortlyafterinstallation.Thisisgenerallydonebypumpingtheboltholefullofcementgrout,thoughsyntheticresinsmayalsobeused.Therateofloadlossdeterminestheintervalduringwhichtheboltmustbeencapsulatedduringconstruction.Thelocalcharacteristicsoftherock,suchasroughnessoftheboreholeandinducedfractures,aresignificantfactorsintheloadlosscharacteristicsofthebolt.Toobtainrealisticvalues,thetestholesshouldbedrilledusingthesamemethodsasthoseusedfortheconstructionboreholes.Inestablishingatestingprogram,thefollowingfactorsshouldbeconsidered:Loadretentiontestsshouldbeconductedinallrocktypeswhereconstructionboltswillbeinstalled.Iftherockisanisotropic,forexample,beddedorschistose,thetestsshouldbeconductedinthesameorientationsrelativetotheanisotropyastheconstructionboltswillbeinstalled.Ineachrocktype,ateachorientation,andforeachanchorsystem,asufficientnumberoftestsshouldbeconductedtodeterminetheaverageandminimumlong-termcapacitieswithinafixeduncertaintybandatthe95%confidencelevel.Theallowableuncertaintybanddependsontheprojectandinvolvessuchfactorsasrockquality,expectedprojectlifetime,andimportanceoftheareastobebolted.Theuncertaintybanddeterminationwillrequireconsiderableengineeringjudgment.Asaroughguideline,atleastsixlong-termtestsforasinglesetofvariableshavebeenfoundnecessarytosatisfythestatisticalrequirements.Thedesignloadandinstallationloadontherockboltsystemshouldbepredetermined.Theinstallationloadislessthantheanchorcapacity,asdeterminedbyMethodD4435.Thedesignloadislessthantheinstallationload;theamountdependsonrockpropertiesandtheminimumtimerequiredtoencapsulatethebolts.Alternatively,thismethodcanberunforapredeterminedtimeintervalbasedonconstructionrequirements,andarealisticdesignloadcanbedeterminedfromthedata.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofpersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Theobjectiveofthistestmethodistodeterminethetimeoverwhichrockbolttensiondecreasesfromtheinstalledvaluetoadesignatedminimumvalue.1.2Thistestmethodisapplicabletoanyanchorsystemwhichisnotfullyencapsulatedimmediatelyuponinstallation,includingmechanical,cementgrout,resin(epoxy,polyester,andthelike)orothersimilarsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4.1Themethodusedtospecifyhowdataarecollected,calculated,orrecorde......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Aircraftandspace-Industrialdata-Productidentificationandtraceability
【原文标准名称】:飞行器和太空.工业数据.产品识别和可追溯性
【标准号】:BSISO21849-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;飞行器;条形码;数据处理;资料处理;数据存储;定义;识别;信息管理;生命周期;作标记;质量保证;航天运输;规范(验收);可追溯性
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Barcode;Datahandling;Dataprocessing;Datastorage;Definitions;Identification;Informationmanagement;Lifecycles;Marking;Qualityassurance;Spacetransport;Specification(approval);Traceability
【摘要】:ISO21849:2006specifiestherequirementsforaproductidentificationandtraceabilityschemaforlifecyclemanagementofaircraftandspaceproducts/parts.Itspecifiestheminimumessentialidentificationinformationneededfortraceabilityofaproductforitslifecycle.Italsoprovidesthedatastructuresforusewithautomaticidentificationtechnologiesthatsupportproduct/partlifecycledatamanagementactivities.ISO21849:2006definesastructureandrulesforestablishingauniqueidentifierforproduct/partidentificationandtraceability.Therulesandstructureprovidesufficientoptionstosupportvariousbusinesspractices.Theyprovidetheminimumamountofstandardizationrequiredtosupportinteroperability,improvedbusinessprocessesandefficiencyacrossmultipleusersandapplicationsofmachine-readablemediatechnologies.ISO21849:2006alsodefinesandestablishesrepeatableprocessestoallowefficientexchangeofproductdataforlifecycleproduct/parttraceability,configuration,reliability,maintenance,andproductperformancemanagementpurposes.Itspecifiesthedatacarriersappropriateforrepresentingtheproductdatainamachine-readableformandassociateddimensionalandqualityparameters.IndustriesortradingpartnerswillneedtodevelopspecificimplementationguidelinestoemploytheprinciplesdefinedinISO21849:2006.Althoughprimarilyintendedforaircraftandspaceproducts/parts,ISO21849:2006maybeusedforotherproducts/partswheredesired.
【中国标准分类号】:V70
【国际标准分类号】:35_240_60;49_020
【页数】:68P.;A4
【正文语种】:英语