Musculoskeletal disorders among dozer operators exposed to whole-body vibration in Indian surface coal mines
Dozer operators are frequently exposed to whole-body vibration (WBV) during the execution
of their work. Occupational exposure to WBV in Indian surface coal mines was evaluated by
measuring vibration intensity and duration of exposure. A triaxial accelerometer was placed
on the operator seat surface for taking the readings. Based on frequency-weighted root
mean square acceleration equivalent to 8-hr shift duration, ie,(A (8)) all dozer operators
have exceeded an Exposure Action Value (EAV) of 0.5 m/s 2, and 90% of dozers did not …
of their work. Occupational exposure to WBV in Indian surface coal mines was evaluated by
measuring vibration intensity and duration of exposure. A triaxial accelerometer was placed
on the operator seat surface for taking the readings. Based on frequency-weighted root
mean square acceleration equivalent to 8-hr shift duration, ie,(A (8)) all dozer operators
have exceeded an Exposure Action Value (EAV) of 0.5 m/s 2, and 90% of dozers did not …
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