Risk assessment of hearing loss of workers caused by urban rail transit noise
- Author:
MAWei yu TANXia you HEYi nan DENGYing cong PWNGZhi heng DUWei jia LIUYi min
- Publication Type:Journal Article
- Keywords:
Railtransit;
Noise;
Worker;
Hearingloss;
Riskassessment
- From:
China Occupational Medicine
2022;51(03):302-
- CountryChina
- Language:Chinese
-
Abstract:
Abstract: Objective Methods
Toevaluatetheriskofhearinglosscausedbyworkplacenoiseinurbanrailtransitenterprises.
Noiseexposedworkers from eight rail transit lines in an urban rail transit enterprise was selected as the research subjects
-
usingconvenientsamplingmethod.Thenoiseintensitywasdetected,andtheriskofnoise inducedhearinglosswaspredictedby
Results
the method of the International Organization for Standardization. The incidence of noise exceeded the standard
detection points was 8.3% (175/2 101) from 2016 to 2018. For risk classification in interval tunnel repairmen, higher risk was
predictedattheageof40yearsoldandwiththelengthofserviceof20years,andhighriskwaspredictedattheageof50or60
yearsoldwiththelengthofserviceof30or40years.Theriskclassificationofstationinspectoratthepredictedageof 50years
oldandthepredictedageof30yearswasnegligible,anditwasacceptableatthepredictedageof60yearsoldandthepredicted
ageof40years.TheriskgradesofmaintenanceworkersinvehicledepotundertheabovetwopredictedconditionsweremediumConclusionrisk,whiletheriskclassificationofdriversunderwasacceptablerisk.Therailtransitenterprisehasacertain
degreeofnoisehazardsintheoperationprocess.Theriskanddegreeofhearinglosscausedbynoiseincreaseswiththeincrease
ofthelengthofservice.
