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This article presents a study of measurement and evaluation of human exposure to handarm vibration in cycling activity. Vibration measurements were performed for three pavement types, asphalt (AS), “in loco” concrete molded plates (PC) and concrete interlocking pavers (BI), using two bicycle models, Speed (S) and Mountain bike (MB), besides the cyclists with different physical features. For each pavement type x bicycle model x cyclist configuration, according to the daily vibration exposure A(8), as defined by ISO 5349-1 standard, it was done an evaluation for 2-daily hour exposure to vibration, as well as the necessary time to achieve the limited exposure defined by the Directive 2002/44/EC. By a subjective analysis, it was also evaluated the comfort degree on each pavement type, considering exposure and vibration, according to a survey carried out with the cyclists. In the end, the results are compared and it is verified, either from the objective results or from the subjective evaluation, that the most appropriate pavement type for cycling activity is the asphalt (AS), followed by the “in loco” concrete molded plates (PC) and by concrete interlocking pavers (BI).

Medição e avaliação da exposição humana à vibração transmitida ao sistema mão-braço durante a atividade ciclística