Ph.D. Tezi Görüntüleme

Student: Korhan ENEZ
Supervisor: Prof. Dr. H. Hulusi ACAR
Department: Orman Mühendisliği
Institution: Graduate School of Natural and Applied Sciences
University: Karadeniz Technical University, Turkey
Title of the Thesis: Assessment of Anthropometric Data and Working Posture as Accident Risk Factors in Forest Harvesting Workmanship
Level: Ph.D.
Acceptance Date: 9/7/2008
Number of Pages: 169
Registration Number: Di647
Summary:

      This dissertation aims to analyze the work related accidents and risk factors in the workmanship of forest harvesting by identification and classification methods; to investigate the harmony between the measurements of simple hand tools used in harvesting and anthropometric measurements of the workers using these tools; and to assess and model the working conditions, working positions, body structure, and energy consumptions of the loggers, and other variables by using ergonomic aspects.

The study was applied on 378 members of 22 different Agricultural Development Cooperatives who undertake the forestry in the administrative borders of Trabzon Regional Forestry Directorate. The observations made during the actual operation involved 32 loggers performing harvesting activities. In data collection period, survey method was applied and static anthropometric measurements were obtained while OWAS method was used in determining working positions of the loggers.

       The results indicated that 214 loggers among all the workers participated into the study experienced work related accidents. The number of workers who had accidents within the last year was 115. It was also found that the important accident risk factors in 95% confidence level were maintenance of the tools, rapid working tempo, ignorance, dangerous methods, absent-mindedness, and sickness, which was common when considering the states of work related accidents of the loggers for both throughout their job history and within the last year. Length of the arms was an important factor in having accidents throughout their job history, while foot size was found to be a significant factor in having accidents within the last year. During field observations, 2620 working positions were observed during harvesting activities and 1011 positions were specified in a category which requires ergonomic difficulties.

Finally, it was stated that harvesting workers should be given seminars in the topics of harvesting techniques, work health and safety, and etc.; they should be kept away from harmful habits; their hand tools should be in a harmony with the anthropometric measurements of the local people; and specified accident risks should be avoided.

      

Key Words : Logging workers, accident risk factors, anthropometry, OWAS, forestry