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Subjective and objective assessment of environmental and acoustical quality in schools around Istanbul Ataturk International Airport [ITU J Faculty Arch]
ITU J Faculty Arch. 2016; 13(2): 101-119 | DOI: 10.5505/itujfa.2016.82713  

Subjective and objective assessment of environmental and acoustical quality in schools around Istanbul Ataturk International Airport

Nurgün Tamer Bayazıt1, Bilge Şan Özbilen2, Zeynep Savcı Özgüven3
1Department of Architecture, Faculty of Architecture, Istanbul Technical University, Istanbul, Turkey
2Graduate School of Science, Engineering and Technology, Istanbul Technical University, Istanbul, Turkey
3Ozguven Architecture, Bakirkoy, Istanbul, Turkey

Air traffic noise maps have been drawn for Istanbul Ataturk International Airport. With the establishment of these maps, a study was conducted by using subjective and objective methods in order to assess the noise annoyance levels of students and teachers of schools around airport. Questionnaires and intelligibility tests were designed (with different questions for teachers and students) in order to measure the effect of noise among students and teachers as the classrooms’ users. A total of seven hundred and twenty (720) students and one hundred and fourteen (114) teachers completed the questionnaire, which was mainly designed to define their ability to differentiate different noise sources (originating both internally or externally), and their annoyance levels with these noise sources. The results reveal that overall, students tend to be more annoyed than teachers; aircraft noise is considered the main external noise source and students’ chatter is rated the main internal noise source for both groups. Parallel to the annoyance study, internal and external noise measurements have been carried out to provide information on typical noise levels, to which children are exposed at school. In order to evaluate the acoustical quality of classrooms, four elementary schools within a 5 km radius of the airport were selected and three acoustical parameters have been investigated: background noise level, reverberation time and sound insulation. Finally, in one of the selected school’s classrooms, a two-stage improvement study was realised. Results revealed the striking effect of lower reverberation values on increasing speech intelligibility.

Keywords: Noise, Annoyance, School, Classroom, Intelligibility


Nurgün Tamer Bayazıt, Bilge Şan Özbilen, Zeynep Savcı Özgüven. Subjective and objective assessment of environmental and acoustical quality in schools around Istanbul Ataturk International Airport. ITU J Faculty Arch. 2016; 13(2): 101-119

Corresponding Author: Nurgün Tamer Bayazıt, Türkiye


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