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Communication Dans Un Congrès Année : 2020

An experimental, numerical and subjective approach for open plan office acoustics

Résumé

The concerns related to the acoustical conditions in open plan offices have been raising for several years. Complaints related to excessive noise, discomfort, lack of ability to concentrate, easy distraction due to different acoustical events are the main problems referred by users of these spaces. Despite this fact, this type of layout in large capacity offices continues to be built without the necessary acoustical solutions to minimize such difficulties. The ISO 3382-3 standard for the measurement of acoustical parameters in open plan offices establishes a procedure for the experimental evaluation of these spaces. However, the difficulties in its application in specific office setups and particularities of different types of teams and work environments implies a broader approach using the opinions of the users to validate or dismiss some conclusions based on the measurements or numerical simulations alone. This paper describes the methodology and results obtained while studying the acoustical environment in 4 open plan offices, with the objective of minimizing the discomfort reported by its users. Numerical simulations of the existing situation were calibrated with the results of measurements using the ISO 3382-3 standard, on which several solutions were implemented to achieve the minimum quality in acoustical criteria, namely D2,S, Lp,A,S,4m and rD. Simultaneously, a questionnaire to all users was made to help understand the specific problems and adjust the solutions to solve them. The results show that if a survey was not implemented the design of countermeasures based on measurements and numerical simulations alone would have been partially ineffective.
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Dates et versions

hal-03242465 , version 1 (16-06-2021)

Identifiants

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Tatiana Teixeira, André Prata, André Mcdade, Filipe Martins, Octavio Inacio. An experimental, numerical and subjective approach for open plan office acoustics. Forum Acusticum, Dec 2020, Lyon, France. pp.2721-2725, ⟨10.48465/fa.2020.0647⟩. ⟨hal-03242465⟩
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