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Prediction and Evaluation of Indoors Noise Level of Exhibition Room in Museum by Road Traffic Noise  

Lee, Kook-Hyun (Department of Architectural Engineering, Wonkwang University)
Park, Yeong-Ji (Department of Architectural Engineering, Wonkwang University)
Kim, Jae-Soo (Department of Architectural Engineering, Wonkwang University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.8, 2010 , pp. 787-794 More about this Journal
Abstract
Recently, with sudden increase of supplying rate of cars and quantity of goods transported, traffic noisy becomes one of important factors obstruct environment of exhibition and view facilities have purpose in calmness and unsatisfaction about this is high now. Therefore, in case of exhibition and view facilities, it has to be grasped that satisfaction degree about the noisy in and out of the exhibition room by performing effect valuation on traffic noisy from design step. However the level of internal noise cannot be measured at the design phrase of the structure due to the noise of traffic. Up until now a walls transmission loss, based on the law of mass, is predicted using this method. However measuring the internal sound level after actual construction reveals that there is a large difference from measurements made at the design stage, and it is very difficult to find a solution after the opening of the structure. From research looking from this perspective the internal sound level was predicted- calculating the internal sound absorption ability, using acoustic simulation and loss prevention of an insulated wall- based on data collected to evaluate the internal sound of an exhibition room at a Folk Museum adjacent to a freeway. The results of this research are considered to provide important data for the prediction of internal sound level at the time of construction of exhibition facilities similar to this.
Keywords
Traffic Noise; Exhibit Room of Museum; Computer Acoustic Simulation;
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