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Impact of high-resolution regional climate conditions on the moisture performance of wood-frame building envelopes

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DOITrouver le DOI : https://doi.org/10.23967/c.dbmc.2023.083
AuteurRechercher : Identifiant ORCID : https://orcid.org/0000-0002-7224-9740; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0002-6529-1123; Rechercher : Identifiant ORCID : https://orcid.org/0000-0002-7112-8584; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0001-9212-6599; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0002-0141-6054; Rechercher : Identifiant ORCID : https://orcid.org/0000-0003-1368-4301; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0001-7640-3701
Affiliation
  1. Conseil national de recherches Canada. Construction
FormatTexte, Article
ConférenceXVI International Conference on Durability of Building Materials and Components (DBMC 2023), October 10-13, 2023, Beijing, China
Description physique8 p.
Sujethigh-resolution regional climate conditions; moisture performance; wood-frame wall assemblies; hygrothermal simulation
Résumé
Climate data is one of the most important inputs for hygrothermal simulations and significantly influences the simulation results that are used for moisture performance assessment of building envelopes. Conventionally, climate data from representative weather stations are used for hygrothermal simulations to assess the moisture performance of the buildings. Recently, the Construction Research Centre of the National Research Council Canada generated historical and future climate data for 564 locations across Canada. In this paper, the climate data of four urban locations within Vancouver (a humid and warm coastal city in Canada) were selected for hygrothermal simulations. These include an open area at the airport, a city center, an area surrounded by plants, and an area surrounded by a water body. The 31-year-long simulations were performed for a typical woodframe wall assembly complying with moisture protection designs as provided in the National Building Code Canada (NBCC 2020) but rain penetration was assumed considering the deficiency of exterior cladding. The differences in its hygrothermal response across the four locations were analyzed. It was found that some climate parameters are significantly different among the selected locations, although the values for moisture indices given in the NBCC 2020 for these locations are all similar. The results show that high values of WDR are the dominant factor that drives the moisture performance but there is no indication that the design of the assembly could be different among the tested locations.
Date de publication
Maison d’éditionCIMNE
SCIPEDIA
Licence
Dans
  • XVI International Conference on Durability of Building Materials and Components (3 octobre 2023).
Langueanglais
Publications évaluées par des pairsOui
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Identificateur de l’enregistrementfb470f3c-5269-4c1b-a995-6b81fde5a61e
Enregistrement créé2024-03-26
Enregistrement modifié2024-04-15

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