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  1. Rock drill handle vibration : measurement and hazard estimation.

    Article - En anglais

    The handle vibration of a typical pneumatic jack-leg rock drill has been measured under common operating conditions.

    The dominant component acceleration was recorded in the direction of the percussion axis, and was unaffected by drill height, hand grip or operator.

    The handle vibration increased at the percussion frequency when drilling with a new, or re-sharpened, drill bit, and when the air pressure was increased above that commonly available in a mine.

    By extending the frequency range of measurements above those recommended by ISO 5349 (1986) for the assessment of vibration hazard, a large amplitude peak in the spectrum was detected at frequencies around 3 kHz.

    Mots-clés Pascal : Matériel forage, Forage roche, Trouble dû aux vibrations, Raynaud maladie, Recommandation, Exposition professionnelle, Homme, Relation dose réponse, Fréquence, Mine, Médecine travail, Norme, Appareil circulatoire pathologie, Vaisseau sanguin pathologie, Capillaire sanguin pathologie, Peau pathologie, Système nerveux autonome pathologie, Acrosyndrome

    Mots-clés Pascal anglais : Drilling equipment, Rock drilling, Vibration induced disorder, Raynaud disease, Recommendation, Occupational exposure, Human, Dose activity relation, Frequency, Mine, Occupational medicine, Standards, Cardiovascular disease, Vascular disease, Capillary vessel disease, Skin disease, Diseases of the autonomic nervous system, Acrosyndrome

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 94-0592049

    Code Inist : 002B12B03. Création : 09/06/1995.