HealthresponsesinConstructionWorkersinSummerSeasonwithhighambienttemperatureAcasestudyinChongqing,China

HealthresponsesinConstructionWorkersinSummerSeasonwithhighambienttemperatureAcasestudyinChongqing,China.pdf
Theobjectivesofourresearchweretoobservethephysiologicalresponsesofconstructionworkersduringhotsummerandidentifytheworkerheattolerancelevel.Atotalof10workerswereselectedrandomlyfromabuildingconstructionsiteinShapingbadistrict,Chongqing.Environmentalparameterstogetherwithworkerphysicalresponseswerecollected.Moreover,basedonISO7243,ISO9886,ISO8996standards,workermetabolicratewascalculatedusingheartrateandalsocalculateWBGTeff.Inthestudiedconstructedsite,therewasnotanyspecificworkingscheduleforworkers.Workersconsciouslyavoidedworkduringthehottesttimeofaday(appx.11AMto4PM).Duetoavoiddirectsunexposureworkersdidnotfeelsofatigue,thoughinsomecasesWBGTwashigherthanthenormallimitandsometimeswithahighworkload.Workersheattolerancelevelwasfoundtobegoodbecauseallofthemwerelocalpeopleandacclimatizedwiththehotweatherforaround10yearsandmostoftheworkerdefinetheirworkasamoderatework.Duringrestingtimeworkerheartraterangewas60-90bpm,onlyonehas99bpmandthatindicatetheirgoodphysicalfitness.Inthisexperimentnaturalwindandartificialwind(fan)wasusedascoolingmethodsattheendofthework.Inthesetwocoolingmethodsshoweddifferentresultsincaseofdecreasingskintemperatureat15minrestingperiod.InfanconditionSkintemperaturestarttodecreasewithin2-3mins.andnottoincreasebutinnaturalventilationtheresult(skintemperature)wasfluctuated.Incaseof,Heartrateinbothconditionshowedalmostsimilarresult,itdecreasedaround15-20bpmwithin2-3mins.andthenmaintainacertainlevel.Duringtheworkingperiod,alltheworkerfeltthirstyduetohotweather,theydrankfreelybuttheydidnotneedanylong-timebreakexceptlunchbreak.
作者：YasmeenSadiaHongLiuChenLuHeJiaze
作者单位：JointInternationalResearchLaboratoryofGreenBuildingsandBuiltEnvironments(MinistryofEducation),ChongqingUniversity,Chongqing400045,China;NationalCenterforInternationalResearchofLow-carbonandGreenBuildings,ChongqingUniversity,(MinistryofScienceandTechnology),Chongqing400045,China
母体文献：中国环境科学学会室内环境与健康分会第八届学术年会(IEHB2017)论文集
会议名称：中国环境科学学会室内环境与健康分会第八届学术年会(IEHB2017)  
会议时间：2017年11月4日
会议地点：重庆
主办单位：中国环境科学学会
语种：chi
分类号：
关键词：Heatstress  outdoorenvironment  acclimatized  metabolicrate  constructionworker
在线出版日期：2020年6月28日
基金项目：
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