The Effect of the Noise Control Strategies on the Noise and Air Quality of the Classroom

• Main Authors: Yin- Yun-wen, 殷蘊雯
• Other Authors: Huang Chyan-Chyuan
• Format: Others
• Language: zh-TW
• Published: 1998
• Online Access: http://ndltd.ncl.edu.tw/handle/30928784062340610251

碩士 === 國立師範大學 === 衛生教育學系 === 86 === The main purposes of this study were to explore the effects of the noisecontrol strategies on schools' noise and indoor air quality,and the subjectivephysical and psychological influences on teachers and students.The purposive samplingmethod was adopted in selecting the subjects of 254 students and 8 teachers fromLong-An Primary School in Taipei.The data were collected by field measurements andquestionaires. The following conclusions were drawn from the study.1.After the classroom's noise control strategies were fulfilled,by closing windows ,the noise reduction for the frequency of 500-4000 Hz exceeded 20dB ; and the the average noise attenuation was also improved from the original 11.7 dB(A) to 18.8 dB(A) .Indoor air quality reached the standards of the Japenese school's environmental health.2.As far as the school's noise was concerned, the physical influences on teachers were easily to feel fatique and the decrease of hearing ; as for the subjective psychological influence, their main reaction was feeling fidgety. Regarding the indoor air quality , after the school's noise control strategies were implemented , the physical influence on teachers was feeling fidgety and getting pressure.3.After the school's noise control strategies were implemented ,most of students felt that the classroom was less noisy and percentage of students felt uncomfotable was also lower statistical significantly. In the case of closing windows , regarding the indoor air quality, 48.8% students' felt sultry ,and as the physiology was involved, as high as 52% students' answers were sweating, those effects of which were noticeable.