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      • Faculty of Art, Design And Architecture
      • Department of Interior Architecture and Environmental Design
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      Acoustical design and noise control in metro stations: Case studies of the Ankara metro system

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      Author(s)
      Sü, Z.
      Çalíşkan, M.
      Date
      2007
      Source Title
      Building Acoustics
      Print ISSN
      1351010X
      Volume
      14
      Issue
      3
      Pages
      203 - 221
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      The aim of this research is to demonstrate the importance of initial strategies in acoustical design of underground metro stations. The paper searches for practical design solutions by evaluating different materials for providing optimum acoustical conditions in such spaces. Acoustical designs of three metro stations on a new expansion line in Ankara including Sogutozu, Bilkent and ODTU metro stations are presented through computer simulation. Predictions of room acoustical parameters are presented for both platform and ticket office floors in terms of parameters like reverberation time (RT), speech transmission index (STI) and A-weighted sound level (SPL) distribution within spaces. Simulated reverberation times are evaluated in view of legislative requirements. The study confirms the importance of using sound absorbing materials on the ceiling and sidewalls together. The nonwoven material, used behind perforated metal suspended ceilings, has proved effective in reverberation control.
      Keywords
      Acoustical design strategies
      Acoustical materials
      Computer simulation
      Underground metro stations
      A-weighted sound levels
      Acoustical design
      Legislative requirements
      Reverberation control
      Room acoustical parameters
      Sound absorbing materials
      Speech transmission index
      Underground metro
      Architectural acoustics
      Ceilings
      Computer simulation
      Reverberation
      Subway stations
      Design
      Permalink
      http://hdl.handle.net/11693/23389
      Published Version (Please cite this version)
      http://dx.doi.org/10.1260/135101007781998910
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      • Department of Interior Architecture and Environmental Design 241
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