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Sound Isolation Performance Assessment of Traditional and Retrofitted Timber-Framed Dwellings
Date
2023-06-01
Author
Erdil, Meltem
Tavukçuoğlu, Ayşe
Çallşkan, Mehmet
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This study focuses on sound isolation performances of original timber-framed interior wall and floor components in traditional-framed dwellings in Turkey and 19th century mud-brick samples used as infill within the timber frame. The acoustical ramifications of some retrofits proposed in the contexts of minimum intervention and refunctioning the traditional dwellings are assessed in reference to the relevant standards. Field measurements show that sound isolation performances of the original timber-framed wall and floor are ineffective. The results of this study show that acoustical retrofits applied on the original wall keeping its wood lath and mud-brick infill are about 5-7 dB in the weighted sound reduction index (RW) and are more effective than those applied on the reconstructed wall. Sound transmission loss values of 50- and 100-mm-thick authentic mud samples are 22-38 and 30-43 dB, respectively, between 125 and 4,000 Hz. The sound absorption coefficient at mid frequencies and the noise reduction coefficient of 50-mm-thick mud samples are 0.28 and 0.23, respectively. These results signal the importance of keeping traditional construction techniques of wall and floor during retrofits to improve the sound isolation performance. Adobe mixtures similar to the 19th-century mud-bricks can be of guidance for the production of innovative soundproofing earth-based building materials.
Subject Keywords
Acoustical retrofit practice
,
Airborne sound reduction index
,
In situ measurements
,
Mud-brick
,
Traditional timber-framed dwellings
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85151761590&origin=inward
https://hdl.handle.net/11511/103022
Journal
Journal of Architectural Engineering
DOI
https://doi.org/10.1061/jaeied.aeeng-1371
Collections
Department of Architecture, Article
Citation Formats
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BibTeX
M. Erdil, A. Tavukçuoğlu, and M. Çallşkan, “Sound Isolation Performance Assessment of Traditional and Retrofitted Timber-Framed Dwellings,”
Journal of Architectural Engineering
, vol. 29, no. 2, pp. 0–0, 2023, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85151761590&origin=inward.