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Moisture Monitoring Data of Mass Timber Elements During Prolonged Construction Exposure: The Case of the Forest Science Complex (Peavy Hall) at Oregon State University

https://research.thinkwood.com/en/permalink/catalogue2212
Year of Publication
2019
Topic
Moisture
Site Construction Management
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Author
Riggio, Mariapaola
Schmidt, Evan
Mustapha, Gamal
Publisher
Frontiers Media
Year of Publication
2019
Country of Publication
Switzerland
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Topic
Moisture
Site Construction Management
Keywords
Peavy Hall
Hygrothermal Monitoring
Language
English
Research Status
Complete
Series
Frontiers in Built Environment
Online Access
Free
Resource Link
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Structural Performance Monitoring Technology and Data Visualization Tools and Techniques – Featured Case Study: UBC Tallwood House

https://research.thinkwood.com/en/permalink/catalogue2342
Year of Publication
2018
Topic
Moisture
Serviceability
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Columns
Floors
Author
Mustapha, Gamal
Khondoker, Khaleed
Higgins, James
Year of Publication
2018
Country of Publication
Canada
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Application
Columns
Floors
Topic
Moisture
Serviceability
Keywords
Moisture Performance
Vertical Movement
Prefabrication
Language
English
Conference
International Conference on New Horizons in Green Civil Engineering
Research Status
Complete
Summary
Wood structures such as the Wood Innovation and Design Center in Prince George and the UBC Tallwood House, an 18 storey, 53-meter-tall mass timber hybrid building are examples of new and innovative wood structures that encompass new construction techniques, unique materials and novel building practices. Empirical data on the condition of critical components and access to the real-time status of the structure during construction gives Architects, Engineers and Contractors critical information to make informed decisions to either validate or improve the construction plan. Data recorded during the life of the building helps validate the design decisions and proves the viability and feasibility of the design. Methods and practices used to monitor both the moisture performance of prefabricated cross laminate timber (CLT) as well as the vertical movement sensing of the building during and after construction are explored in this paper. Moisture content of the CLT panels has been recorded from manufacturing and prefabrication to storage, through transport and during installation and will continue throughout the service life of the building. The calculated and expected displacement of the wood columns is scheduled to take several years as the structure settles, however a first-year analysis and extrapolation of the data was conducted. Monitoring during transport, storage, and construction proved that CLT panels were resilient to moisture issues while in the manufacturers storage, but prone to direct exposure to moisture-related problems regardless of the precautions taken on site. Despite construction during typical Pacific Northwest rain, informed decisions were made to ensure the panel moisture content could decrease to acceptable ranges before continuing to secondary construction phases. The moisture trends observed in the building were proportional to the control samples as both were subjected to similar environmental conditions.
Online Access
Free
Resource Link
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