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1、室内人机工程学10(Indoorergonomics10)Thisarticleiscontributedbythelittleemperor1000DOCdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.(2)可防止座椅滑动和翻到.椅脚应设计5个,平分在直径为40°45cm的圆周上.(3)给人留有足够的活动空间.需要经常站起的座椅应采用小脚轮.(4)应保证腿的活动空间,以减轻腿
2、的疲劳.(5)坐面应为40—45cm宽,38~42cm长,坐面中部稍微下凹,前缘呈弧曲面,坐面后倾4°~6°.(6)坐面的材料应透气而且不打滑(例如毛料);以增加坐面的舒服感.多用途椅子:Grandjean等要求50名男,女被试对象进行试验的12种不同设计的多用途椅子对身体上的11个部分的舒适进行评价.此外,每个被试者还对每两只椅子进行成对比较,求出其总的舒适评分.其中两只最受人喜欢的椅子,并附有根据全部Dataanalysisanddesignrecommendationsandsuggestionsarealsoincludedinthelayingoffoamru
3、bber2~4cmthickintheseat.Therestandreadingchair:designfeaturesasrestingandreadingchairandchairofcourseactivitiesareobviouslydifferentby.Grandjeanetal,astudyhadbeenconducted.Inthisstudytheytheuseofa"sittingmachine",soastodrawthesubjectsforavarietyofseatdesigncomfortablejudgment.Featuresoft
4、he"sittingmachine"istoregulateanyshapeinfact.Theyarenotallresults,hasbeenfoundtoreadandrest,asshownintable4-3angleandsizecantheloveformanysubjects.Theshapeofachairmustbepointedoutthatthedifferentangleofbackrestandseatisforthebackofthelowerspine(waist)togivespecialsupport.4.2.2anatomyandp
5、hysiologyofsittingIntheprevioussectionthegeneralprincipleoftheseatdesignismainlybuiltonthebasisofthejudgmentincomfort,buttherealityisinalmosthalfofthepopulationintheindustrializedworldwesuffersomewaybackpain.Everyyearforsickleavepaymedicalexpensesandspendalotofmoneyforthepast20years.Theo
6、ffice,factoryandotheraspectsofthechairtodoalotofwork,thetypistchairseemstobethemodelofthiskindofchair.Itscharacteristicistoadjustitsheightandthebackrest,andthelightcanmovetheseattiltedbackwardslopeofabout5degrees,thetypingandprovidesasuitablerestingposition.However,mostoftheworkistheform
7、ationofbentposition(Figure4-19),suchasreading,writing,drawing,assemblyanddofitter,andeyesshouldbeabout30cmawayfromtheobject,thebackwardtiltofthechairBendforwardisverydifficult.Thisproblemverylittleattention.Strangetosayinthepastseveraldecadesintheschoolstressedintheso-cal