Abstract
Problem statement: Train is one of the important and famous public transportations in the whole world. High magnitude of whole-body vibration formed by the train may cause diseases and health problems to the human especially a low back pain. This study will give an account of daily exposure to vibration A(8) and Vibration Dose Value (VDV) exposed to the passengers travelling in the train and the effects produced by the exposure towards human body. Approach: One national train travelled from East Coast to the South has been chosen to conduct the study. The whole-body vibration exposure was measured in 8 h, which is equal to the duration for normal occupation condition. All the data was computed by using IEPE (ICPTM) accelerometer sensor connected to DT9837 device which is capable to measure and analyze vibration effectively. The vibration results attained were displayed in personal computer by using custom Graphical User Interface (GUI). MATLAB software was used to interpret the data obtained. From the results shown, the whole-body vibration exposure level can be determined. Results: The values of daily exposure to vibration A(8) and Vibration Dose Value (VDV) in Experiment 3 were 0.3749 m sec-2 and 1.2513 m sec-1.75 respectively. Conclusion: It can be concluded that the whole-body vibration absorbed by human body enhanced when the duration of vibration exposure and the total of the trips that has been passed by the passengers increased. This can be proved by the increasing of the value of daily exposure to vibration A(8) and Vibration Dose Value (VDV) calculated in the study.
Highlights
Between physical ergonomics exposures at the workplace, such as lifting, constrained postures, Ergonomics is the application of scientific repetitive movements, fast work pace, heavy material principles, methods and data drawn from a variety of manual handling, forceful exertions and vibration and the disciplines to the development of engineering systems occurrence of upper extremity musculoskeletal disorders in which people play a significant role
From the three experiments done, daily exposure to vibration A (8) value and Vibration Dose Value (VDV) and exposure points value were evaluated by using formula (1), (2) and (3)
By employed the MATLAB Graphical User Interface (GUI), the calculation of those values was done by choosing the analysis method from the organize MATLAB menu
Summary
Between physical ergonomics exposures at the workplace, such as lifting, constrained postures, Ergonomics is the application of scientific repetitive movements, fast work pace, heavy material principles, methods and data drawn from a variety of manual handling, forceful exertions and vibration and the disciplines to the development of engineering systems occurrence of upper extremity musculoskeletal disorders in which people play a significant role. Its fundamental aim is that all humanoption to broaden the ergonomics and safety features of made tools, devices, equipment, machines and products and equipment It will create environments should advance, directly or indirectly, the new risks and the way to manage it would become more safety, well-being and performance of human beings complicated. Several critical reviews have discussed the evidence on occupational risk factors for back disorders (Wilder and Pope, 1996; Burdorf and Sorock, 1997; Bovenzi and Hulshof, 1999; Lings and Leboeuf-Yde, 2000; Waddell and Burton, 2000) All these reviews conclude that there is strong epidemiological evidence for a relation between occupational exposure to WBV and LBP. Important high risk groups are drivers of off-road vehicles (for example, earth moving, forestry and agricultural machines), drivers of forklift trucks, lorries, or buses, crane operators and helicopter pilots
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