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时间:2020-06-06
《路桥过渡段上车内人体舒适性评价方法.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第32卷第2期长安大学学报(自然科学版:}VolI32NO.22O12年3月J0urnalofChang’anUniversity(NaturalScienceEdition)Mar.2012文章编号:167卜8879(2O12)02—0001-06路桥过渡段上车内人体舒适性评价方法郑木莲,孟建党。,张世铎。,崔梦璇,徐金欣(1.长安大学特殊地区公路工程教育部重点实验室,陕西西安710064;2.河南省交通运输厅京珠高速公路新乡至郑州管理处,河南郑州450016;3.日照市公路管理局,山东日照276826:4.山东公路技师学院公路工程系,山东德州253020
2、)摘要:为了方便分析车辆通过路桥过渡段时车内人体舒适性,提出道路一车辆一人体振动系统,在分析评价现有人体振动及舒适性评价方法与标准的基础上,根据车辆通过路桥过渡段时人体承受振动的特点,采用压电式加速度传感器测量车辆通过路桥过渡段时人体承受的竖向加速度,提出了新的人体舒适性评价方法,并以2条高速公路为例,应该用该方法进行路桥过渡段人体舒适性评价。结果表明,该方法可以更加客观准确地评价车辆通过路桥过渡段时人体的舒适程度,可为提出基于舒适性的路桥过渡段差异沉降控制标准提供理论依据。关键词:道路工程;路桥过渡段;人体舒适性;加权加速度;均方根值中图分类号:U414.
3、1;U491文献标志码:AEvaluationmethodofhumancomfortinvehicleattransitionsectionbetweenbridgeabutmentandembankmentZHENGMu—lian,MENGJian—dang,ZHANGShi—duo。,CUIMeng—xuan,XUJin—xin(1.KeyIaboratoryforSpecialAreaHighwayEngineeringoftheMinistryofEducation,Chang’artUniversity,Xi’an710064,Shaanxi,C
4、hina;2.ManagementOfficeforJingzhuExpresswayfromXinxiangtoghengzhou,HenanProvinceDepartmentofTransportation,Zhengzhou450016,Henan,China;3.RizhaoCityHighwayAdministration,Rizhao276826,Shandong,China;4.DepartmentofHighwayEngineering,ShandongHighwayTechnicianCollege,Dezhou253020,Shando
5、ng,China)Abstract:Inordertoanalyzethehumancomfortwhenvehiclespassingthroughthetransitionseetionbetweenbridgeabutmentandembankment,thevibrationsystelnofroad一~ehicle—humanwereputforward.Onthebasisofanalyzingthepresentevaluationmethodsandcriteriaforhumanbodyvibrationandcomfort,thenewe
6、valuationmethodadoptingpiezoelectricaccelerationsensortOmeasuretheverticalaccelerationofthehumanbodywasproposedaccordingtothevibrationcharacteristics.Taketwoexistingexpresswaysforexample,thismethodwasusedtoevaluatethehumanbodycomfort.Theresultsshowthatthenewmethodcanobjectivelyanda
7、ccuratelyevalu—atethehumanbodycomfortdegreeSOastoprovideatheoreticalbasisforthecontrolofdifferenti—alsettlementofthetransitionsee:ionbasedoncomfortproperties.5tabs。2figs。10refs.Keywords:roadengineering;transitionsectionbetweenbridgeabutmentandembankment;hu—mancomfort;weightedaccele
8、ration;root—mean—square—va
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