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Acoustic and thermal performance of an innovative façade constructed with Brazilian plantation wood
Universidade Tecnológica Federal do Paraná, Graduate Program in Civil Engineering.ORCID iD: 0000-0002-3409-2041
Universitat Ramon Llull, Human-Environment Research Group.ORCID iD: 0000-0003-1510-8519
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Fluid Mechanics and Engineering Acoustics, Marcus Wallenberg Laboratory MWL. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle engineering and technical acoustics.ORCID iD: 0000-0001-5723-9571
Universitat Ramon Llull, Human-Environment Research Group.ORCID iD: 0009-0001-3375-0882
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2025 (English)In: Journal of Building Engineering, E-ISSN 2352-7102, Journal of Building Engineering, ISSN 2352-7102, Vol. 104, article id 112348Article in journal (Refereed) Published
Abstract [en]

The construction industry faces several challenges in adopting sustainable materials for building components. Engineered Wood Products (EWP) are emerging as potential alternatives to traditional materials like hollow clay blocks. This research evaluates an innovative EWP-based façade as a possible replacement for a hollow block wall in terms of acoustic and thermal performance. The study was conducted in a hotel in Guarapuava, Brazil, where acoustical measurements and thermal envelope simulations were performed. The measured Weighted Standardized Façade Level Difference (D2m,nT,w) for the existing hollow block façade was 37 dB, while the simulated data for the proposed wood façade reached 42 dB. Indoor sound insulation between rooms also improved, rising from 46 dB (measured) to 48 dB (simulated) with the EWP façade. From a thermal perspective, the thermal resistance increased from 0.50m2K/W to 1.86 m2K/W, which is more suitable for the Brazilian 1M climate zone where the building is located. This study highlights the potential of using Brazilian pine wood in façade elements.

Place, publisher, year, edition, pages
Elsevier BV , 2025. Vol. 104, article id 112348
National Category
Building Technologies Solid and Structural Mechanics Composite Science and Engineering
Research subject
Civil and Architectural Engineering; Civil and Architectural Engineering, Building Materials; Civil and Architectural Engineering, Fluid and Climate Theory
Identifiers
URN: urn:nbn:se:kth:diva-361546DOI: 10.1016/j.jobe.2025.112348Scopus ID: 2-s2.0-105000508829OAI: oai:DiVA.org:kth-361546DiVA, id: diva2:1946711
Note

QC 20250326

Available from: 2025-03-23 Created: 2025-03-23 Last updated: 2025-04-03Bibliographically approved

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Scoczynski Ribeiro, RodrigoArnela, MarcZea, EliasVila, Adrià PastorGiglio, Thalita
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