Acoustical Problems And Requirements In Open Planned Offices- Elevations On A Case Study

Bar�� Acar¹, Ne�e Y��r�k Akda�²
¹Fresko Tan�t�m Hizmetleri, �i�li/istanbul, T�rkiye
²Y�ld�z Teknik �niversitesi, Mimarl�k Fak�ltesi, Yap� Fizi�i Bilim Dal�/istanbul, T�rkiye

The open-plan offices are extensive spaces designed to accommodate a large number of office workers. An open-plan office can work reasonably well when carefully designed, especially in terms of noise. In an open-plan office, full-height partitions aren�t used; therefore spreading noises caused by conservation, office machines ect., can be disturbing. In order to provide good acoustical conditions in an open plan office, adequate speech privacy, speech intelligibility and acceptable background noise level have to be obtained. In this study, it has been intended to investigate the precautions that should be taken to provide acoustic comfort conditions, during the design of the open planned office places which have been in common use also in our country nowadays. For this aim, acoustic measurements were performed in an open planned office placed in Kartal-Istanbul. The office is digitally modeled by using the software Odeon 8.0 which performs the exact acoustic calculations with the impressions of radial analysis. The acoustic comfort conditions has been analyzed in different sound absorption properties and separator heights by the Odeon 8.0 software. In conclusion, the relation between separator properties and required sound absorption values of open planned offices� inner surfaces are explained by some concrete values.

Keywords: Open planned office, acoustic comfort, acoustic design.

A�ik Planli B�rolarda Akustik Sorunlar Ve Denetim �nlemleri: Bir �rnek �zerinde De�erlendirmeler

A��k planl� ofisler, �ok say�da �al��an�n bir arada oldu�u mekanlard�r. �zellikle g�r�lt� a��s�ndan gereken denetim sa�land��nda, bir a��k planl� ofiste, �al��ma ortam� olarak olduk�a y�ksek verimin sa�lanmas� olanakl�d�r. Bu t�r mekanlarda b�lme duvarlar� bulunmad�� i�in, konu�madan, telefondan ve büro ara�-gere�lerinden kaynaklanan sesler
rahats�z edici olabilir. Bir a��k planl� ofiste uygun akustik ortam�n olu�abilmesi i�in yeterli konu�ma gizlili�inin, anla��labilirli�inin ve kabul edilebilir g�r�lt� d�zeyinin alt�nda kalan g�r�lt� ortam�n�n sa�lanmas� gerekir. Bu �al��mada, kullan�m� ülkemizde de yayg�n olan a��k planl� b�ro yap�lar�n�n mimari tasar�m a�amas�nda, i�itsel konforun sa�lanmas�na y�nelik al�nmas� gereken �nlemlerin somut olarak ortaya konulmas�na �al��lm��t�r. Bu ama�la, �stanbul Kartal�da bulunan bir ayd�nlatma firmas�na ait a��k planl� büro hacminde, mevcut durumu de�erlendirmek üzere gürültü düzeyi �l�ümleri yap�lm��t�r. Hacim bilgisayar ortam�nda modellenmi� ve kapal� mekanlarda ��nsal analizlerle ses hareketlerini olu�turarak hacim akusti�i �l�ütlerine ili�kin belirlemelere olanak sa�layan Odeon 8.0 program�na
aktar�lm��t�r. Ayn� program yard�m�yla, hacimde "de�i�ik b�lme eleman� y�kseklikleri" ve "de�i�ik y�zey yutuculuklar�" g�z �n�ne al�narak, i�itsel konfor ortam� analiz edilmi� ve en uygun ko�ullar ortaya konmaya �al��lm��t�r. Yap�lan �al��malar sonucunda, a��k planl� b�rolarda b�lme elman� �zellikleri ile hacimde gereksinim duyulan toplam ses yutuculu�u aras�ndaki ili�ki somut de�erlerle ortaya konmu�tur.

Anahtar Kelimeler: A��k planl� b�ro, i�itsel konfor, akustik tasar�m.

Bar�� Acar, Ne�e Y��r�k Akda�. Acoustical Problems And Requirements In Open Planned Offices- Elevations On A Case Study. Megaron. 2008; 3(1): 53-67

Corresponding Author: Ne�e Y��r�k Akda�, T�rkiye

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