【英文标准名称】:Mechanicalvibrationandshock-Free,mechanicalimpedanceofthehumanhand-armsystematthedrivingpoint
【原文标准名称】:机械振动与冲击人体手臂系统驱动点的自由机械阻抗
【标准号】:ISO10068-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:输入阻抗;人体;阻抗;机械振动;手-臂体系;冲击;冲击;振动;定义;机械环境影响(对人体)
【英文主题词】:Definitions;Hand-armsystems;Humanbody;Impedance;Impulses;Inputimpedance;Machinevibration;Mechanicaleffects(humanbody);Shock;Vibration
【摘要】:ThisInternationalStandarddescribesthefree,mechanicalimpedanceofthehumanmalehand-armsystematthedrivingpoint.Valuesofthefreeimpedance,expressedasmodulusandphase,areprovidedforthreeorthogonal,translatorydirectionsofexcitationthatcorrespondtothexh,yhandzhaxesofthebasicentriccoordinatesystemforthehanddefinedinISO5349andISO8727.Thexh,yhandzhcomponentsoffreeimpedancearedefinedasafunctionoffrequency,from10Hzto500Hz,forspecifiedarmpositions,gripandfeedforces,handlediameters,andintensitiesofexcitation.Thecomponentsoffreeimpedanceinthethreedirectionsaretreatedasbeingindependent(seeannexF).ThisInternationalStandardmaybeusedtodefinetypicalvaluesofthefree,mechanicalimpedanceofthehand-armsystematthedrivingpoint,applicabletomalesunderthecircumstancesspecified.Foreachimpedancecomponent,thefreeimpedanceisdefinedateachfrequencybythreevalues,toreflecttherangeofvaluesmeasuredonmalehands.Theupperandlowervaluesdefinetherangeofmostprobablevaluesofimpedance.Themiddlevaluerepresentsanoverallmeanofthehumandata,anddefinesthetargetvalueforallapplications.ThisInternationalStandardmaybeprovisionallyappliedtofemales.Referencevaluesofthefree,mechanicalimpedanceatthedrivingpointareprovidedasafunctionoffrequencyforaspecifiedgripandfeedforceinannexA.Theseimpedancevaluesareintendedforthedeterminationofthetransmissibilityofresilientmaterials,whenloadedbythehand-armsystem.Mathematicalrepresentationsofthehand-armsystemthatmodelthevaluesoffreeimpedancearealsoprovidedinannexesCtoE.
【中国标准分类号】:J04
【国际标准分类号】:13_160
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforPrecastReinforcedConcreteBoxSectionsforCulverts,StormDrains,andSewers
【原文标准名称】:涵洞、雨水管和污水管道用预制钢筋混凝土箱形部件的标准规范
【标准号】:ASTMC1433-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:23_040_50
【页数】:16P;A4
【正文语种】:英语