Hand- och armvibrationer i byggbranschen : En studie av vilka faktorer som bidrar till uppkomsten av vibrationsskador

Detta är en Uppsats för yrkesexamina på grundnivå från Uppsala universitet/Tillämpad mekanik; Uppsala universitet/Tillämpad mekanik

Sammanfattning: At today's construction sites, most of the work is carried out using hand-held and or hand-operated machines that create vibrations. Work with hand-held vibrating machines can result in damage to vessels, nerves and muscles, sometimes even on the skeleton, during continuous work. The effects of vibration damage can be powerful and in order to prevent these, work with vibrations needs to be considered and checked. The purpose of this thesis is to identify which factors contribute to the fact that vibration-induced injuries are so common at the construction sites today, despite the knowledge about the serious symptoms of the injury. By studying working methods, attitudes and behaviors and how the injury is prevented today, it is examined whether it is possible to reduce the occur-rence of vibration-induced injuries. The research begins with a literature study to obtain knowledge about vibration diseases and associated symptoms, as well as about the facilities and working methods that exist today to reduce vibrations at the construction sites. Further-more, a survey is conducted on how Skanska AB works with vibrations and interviews at some of Skanska Sverige AB's projects to clarify how the work against vibration injuries looks like in practice. The result of the thesis shows that work with reducing vibration is given some priority, but that it can be further improved. The employees have knowledge of the injury, but not enough to make demands on how developments can be made in the working environment. The working methods used are not optimal and there is resistance to the methods developed to reduce work with vibrations. During the interviews it emerges that many methods are mentioned in theory but that they are rarely used in practice. There are also deficiencies in the communica-tion between the different occupational groups regarding who is responsible for reducing the work with vibrating tools. The construction industry is developing in the work with reducing vibration, but there are also many parts of the industry that make the prevention work more difficult. The result shows signs of this and lack of time proves to be a great reason why the work with reducing vibrations is not prioritized. At the end of the report there are some recommendations given for further stud-ies to improve the preventive work. For instance, continued studies are recommended on how the difficulty with lack of time can be reduced and on how methods for reducing vibration can be more adaptable in practice.

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