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Moisture monitoring and modeling of mass-timber building systemsAuthor(s): Steven Kordziel; Samuel V Glass; Shiling Pei; Samuel L. Zelinka; Paulo Cesar. Tabares-Velasco
Source: In: Proceedings, WCTE 2018-World conference on timber engineering. Seoul, Republic of South Korea: Korean Institute of Forest Science. 7 p.
Publication Series: Paper (invited, offered, keynote)
Station: Forest Products Laboratory
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DescriptionThe use of mass timber structural products in tall building applications (6–20 stories) is becoming more common around the world including North America. A potential concern is the environmental wetting of mass timber products during construction because such products may dry out more slowly than light-frame structural lumber, and wood, as an organic material, is susceptible to deterioration at elevated moisture contents. In order to better understand the moisture conditions present in high rise timber constructions, a long-term moisture monitoring program was implemented on an eight story, mixed-use, mass timber framed building in Portland, Oregon. The building was monitored with an array of moisture meters to track moisture content throughout the building’s construction and operation. This paper presents data covering a period just over one year starting from the manufacture of cross-laminated timber (CLT) panels. Hygrothermal properties of CLT samples of the same type used in the building were measured in the laboratory, and wetting and drying experiments on representative CLT samples were conducted. Simulated moisture contents using a one-dimensional hygrothermal model compared reasonably well with laboratory experiments and building site measurements.
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CitationKordziel, Steven; Glass, Samuel V.; Pei, Shiling; Zelinka, Samuel L.; Tabares-Velasco, Paulo Cesar. 2018. Moisture monitoring and modeling of mass-timber building systems. In: Proceedings, WCTE 2018-World conference on timber engineering. Seoul, Republic of South Korea: Korean Institute of Forest Science. 7 p.
KeywordsCross-laminated timber, moisture monitoring, building enclosure, hygrothermal modeling
- Moisture monitoring throughout the construction and occupancy of mass timber builidings
- Full-scale shake table test of a two story mass-timber building with resilient rocking walls
- Durability of cross laminated timber against termite damage
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