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Pullman bed를 적용한 천장재 차음시험에 관한 실험적 고찰
최둘(Dool Choi),김항(Hang Kim),구희모(Hee-Mo Goo),문순성(Soon-Sung Moon),김정식(Jung-Sik Kim) 한국소음진동공학회 2015 한국소음진동공학회 학술대회논문집 Vol.2015 No.4
Studies on the sound insulation performance of the wall panel was performed of a lot, but the situation for the lack of sound insulation tests of ceiling panel. Also recently give comfort to the passenger within a residential party applying pullman bed, but this study is a situation which has not been made much. In this paper compared and analyzed the sound insulation performance in accordance with applicable pullman bed or not, As a result the performance was found to significantly decreased when applying the pullman bed.
최둘(Choi Dool),주덕훈(Ju Duck-Hoon),김재수(Kim Jae-Soo) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(계획계)
Recently, in accordance with the cultural advancement and the improvement of citizenry's consciousness level, it is on demand the multipurpose hall where various events could be held. Therefore, in view of its characteristics, since such multipurpose hall is emphasizing the Definition of Sound, also the Repletion or Abundance of Sound are simultaneously requiring, it could be said that a sufficient examination and plan with regard to Architectural Acoustics Design are essential. However, in case of J Art Hall, since the Sound Reverberation is too low due to use of the finishing material of strong Sound Absorption, in case when perform a musical instrument, as the sound is too arid and stiff, it is difficult to appreciate its sufficient timbre, and because of the formation of Sound Shadow owing to especially long balcony, the acoustic defect is on generating, it is an urgent situation requiring an Improvement of Acoustic Performance. In such point of view, this Study has intended to improve the performance for the sound condition of J Art Hall, by examination on the problem making balcony, examination of visible line, and redesigning on the finishing material. As the result, it could be designed an Art Hall that maintains a satisfactory Acoustic Performance comparing with "Before Improvement", and it is considering that such research result could be utilized as the useful material when construction of a similar Art Hall hereafter.