女子短期大学生の騒音暴露

概要

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A study was made to grasp the noise exposure level the women's junior college students receive in their dialy life, to find out what behaviors are the main causes of noise exposure and how to reduce noise exposure level, and the following were concluded. 1. On the days when they attended colleges, they spend one-third of a day moving for going to and coming home from school, and staying at school. 2. Equivalent continuous sound level of a day (Leq24) was 66.8 dB(A), which was lower than the results of other reports. 3. Equivalent continuous sound level of a day (Leq24) on the days when they attended colleges was higher than that on the days when colleges were closed by 3.7-9.9 dB(A). It seems that noise exposure level during the moving time to go to and come from colleges and the time they stayed there is high. 4. Of noise exposure level of a day, the behaviors which showed the highest noise exposure level converged on staying at school on the days when they attended colleges and going out when colleges were closed and they stirred out of the house. 5. The ratio of the days when Leq24 exceeded 70 dB(A) reached to 12.1%, while the ratio of the days when Leq24 during sleeping was over 40 dB(A) reached to 13.1%. 6. It is required to make efforts to reduce noise exposure level through all behaviors, particularly to reduce environmental noise and the noises produced by household machinery and tools.
広島文化女子短期大学の論文
1984-07-15