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Measurement of sound transmission loss in a sound barrier filled with the rice-straw particles by the transfer function and laboratory measurement methods

  • Chun Won Kang
  • , Eun Suk Jang
  • , Sang Sik Jang*
  • , Ho Yang Kang
  • *Corresponding author for this work
  • Jeonbuk National University
  • Chungnam National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

The sound insulation capacity of a barrier is indicated by its transmission loss. In this study, the sound transmission loss of a sound barrier filled with rice-straw particles was measured by the transfer function method and a laboratory measurement method. The results of the two measurements were compared. The transmission losses measured by the two methods were similar above a frequency of 500 Hz. The loss increased greatly upon the introduction of a plywood to the sound barrier. The results of this study are expected to be used to design sound barriers for roads.

Original languageEnglish
Pages (from-to)338-345
Number of pages8
JournalJournal of the Korean Wood Science and Technology
Volume46
Issue number4
DOIs
StatePublished - 2018

Keywords

  • Laboratory measurement methods
  • Sound transmission loss
  • Transfer function method

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Mechanical
  • Materials Science

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