您的位置: 标准下载 » 国际标准 » ISO 国际标准 »

ISO 4251-2-1984 农业拖拉机和机械的轮胎和较辋(现有系列).第2部分:轮胎载荷额定值

时间:2024-05-15 12:21:37 来源: 标准资料网 作者:标准资料网 阅读:9587
下载地址: 点击此处下载
【英文标准名称】:Tyres(plyratingmarkedseries)andrimsforagriculturaltractorsandmachines;part2:tyreloadratings
【原文标准名称】:农业拖拉机和机械的轮胎和较辋(现有系列).第2部分:轮胎载荷额定值
【标准号】:ISO4251-2-1984
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:StandardTestMethodforStructuralPerformanceofExteriorDimensionStoneCladdingSystemsbyUniformStaticAirPressureDifference
【原文标准名称】:用均匀静态空气压差法测定规格石料的房屋骨袈外墙体系结构性能的标准试验方法
【标准号】:ASTMC1201-1991(2003)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:C18.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:门窗头线条板;大气压;试验;特性
【英文主题词】:dimensionstone;loadtest;stone;strength;structuralperformance;test
【摘要】:Thistestmethodgivesastandardprocedurefordeterminingstructuralperformanceunderuniformstaticairpressuredifference.Thistypicallyisintendedtorepresenttheeffectsofwindloadsonexteriorbuildingsurfaceelements.Theactualloadingonbuildingsurfacesisquitecomplex,varyingwithwinddirection,time,heightaboveground,buildingshape,terrain,surroundingstructures,andotherfactors.Thesefactorsarediscussedintheliteraturein2.1and2.2andFootnotes4and5.Note18212;Inapplyingtheresultsoftestsbythistestmethod,itshouldbeborneinmindthattheperformanceofacladdingsystemmaybeafunctionoffabrication,installation,andadjustment,andthatthespecimenmayormaynottrulyrepresenttheactualstructure.Inservice,theperformancewillalsodependontherigidityofsupportingconstructionandontheresistanceofcomponentstodeteriorationbyvariouscauses,tovibration,tothermalexpansionandcontraction,etc.1.1Thistestmethodcoversthedeterminationofthestructuralperformanceofdimensionstonecladdingsystemsunderpositiveandnegativeuniformstaticairpressuredifferences,usingatestchamber.1.2Theproperuseofthistestmethodrequiresaknowledgeoftheprinciplesofpressureanddeflectionmeasurement.1.3Thistestmethoddescribestheapparatusandtheproceduretobeusedforapplyingeitherspecifictestloadsorunknownultimatevaluesofuniformitydistributedtestloadstoaspecimen.1.3.1ProcedureA(see11.2)shallbeusedwhendeflectionsatmaximumloadonlyarerequired.1.3.2ProcedureB(see11.3)shallbeusedwhenaload-deflectioncurveisrequired.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:Q21
【国际标准分类号】:91_060_10
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Generalrequirementsforrotatingelectricalmachines-Specificationforsymbols
【原文标准名称】:旋转电机的一般要求.符号规范
【标准号】:BS4999-103-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-04-22
【实施或试行日期】:2004-04-22
【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】:构架结构;旋转电机;钢轨(物料装卸设备);识别方法;轴端;大小编码;尺寸;电机;电动机;键;符号
【英文主题词】:framedstructures;identificationmethods;rails(materialshandlingequipment);electricmachines;keys(engineering);shaftends;sizecoding;rotatingelectricmachines;dimensions;symbols;electricmotors
【摘要】:ThispartofBS4999specifiessymbolsforidentificationofdimensionsofframesizesforrotatingelectricalmachineswhichareoutsidethescopeofBSEN50347.Itspecifiessymbolsfordimensionsofskirt-mountedmotors,pad-mountedmotors,sliderails,shaftendsandkeyways,andshaftendswithoneorwithtwotappedholes.NOTEInformationonthesystemofframenomenclatureapplicabletothemotorscoveredbythispartofBS4999isgiveninAnnexA.
【中国标准分类号】:K20
【国际标准分类号】:29_160_30
【页数】:12P.;A4
【正文语种】:英语