Caracterização acustica de ginasios de esportes multifuncionais da cidade de Campinas, SP / Characterization acoustics multipurpose gymnasium of sports of the Campinas s city

AUTOR(ES)

Carlos Eduardo Rodrigues

DATA DE PUBLICAÇÃO

2008

RESUMO

Similar sonorous stimulus may promote different sound perceptions in the environment. Sonorous stimulus may be objectively evaluated by acoustic measurements however, sound perceptions evaluation (subjectively) requires another specific methods. Spaces like sport gymnasiums can promote different sensations for the users depending on their activities. This type of building is very important in the cities, basically to this size and esthetic. Since the ends of 20th century, the function of these buildings has been extended. Nowadays, gymnasiums are used for different types of meetings, like speeches, expositions, fairs and others. Therefore, sport gymnasiums are multifunctional spaces with different levels of requirements concerning acoustic performance. On the other hand, the sound propagation in these buildings can generate many problems of noise, decreasing the acoustic performance. In this context, this work aims to evaluate some sport gymnasiums concerning to the typology, absorption capacity and isolation. These parameters can be used for better acoustic building design. Basically, the acoustic evaluation contemplates the following parameters: reverberation time (TR), early decay time (EDT), clarity (C80), definition (D50) and speech transmission index (STI). These acoustic parameters were obtained through the impulsive technique and calculated by a room acoustics evaluation software DIRAC from Bruel &Kjaer. The acoustic evaluation results and the architecture design information were used to establish good and bad conditions in terms of the acoustic performance. Finally, the viability of adequacy of the buildings evaluated concerning the acoustic performance was made

ASSUNTO(S)

gymnasia of sports acustica arquitetonica quality acoustics acoustics architectural acustica

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