Performance Analysis of Cross-Laminated Timber (CLT) Constructions Under Current and Future Climates

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 747

Special Issue Editors


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Guest Editor
National Research Council Canada, Ottawa, ON, Canada
Interests: building physics; hygrothermal performance; energy efficiency; mass timber constructions

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Guest Editor
Department of Building, Civil and Environmental Engineering, Member, Centre for Zero Energy Building Studies, Concordia University, Montreal, QC, Canada
Interests: high performance energy generating building envelopes, durability; zero carbon buildings, low-carbon building materials; climate resilience, urban microclimate; indoor environment and human comfort

Special Issue Information

Dear Colleagues,

Climate change and net-zero GHG emission goals brought new challenges to the construction industry which require more climate-resilient and low-carbon building designs and constructions. Cross-laminated timber (CLT) constructions attracted increasing attention, as CLT has much lower embodied carbon than other building materials, such as concrete or steel. With the widespread adoption of performance-based building codes and standards, in many countries, performance analysis became mandatory to support building designs, and this has no exception for CLT building design.

This Special Issue focuses on the contributions related to the performance analysis of CLT buildings to support the design, construction and maintenance of such buildings, particularly to achieve the goals of withstanding environmental loads under climate changing and reducing GHG emissions during service life. The research topics of this Special Issue will cover (1) the characterization of CLT material properties, including, but not limited to, hygrothermal, mechanical and biochemical properties; (2) performance analysis of CLT building envelope systems, such as the durability, thermal performance, fire, acoustics and structural performance; (3) performance analysis of whole buildings built with CLT, including thermal comfort, energy efficiency and life cycle carbon/cost analysis; and (4) the impact of climate change and climate resilience on CLT buildings under future and extreme climatic conditions.

Dr. Lin Wang
Prof. Dr. Hua Ge
Guest Editors

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Keywords

  • cross-laminated timber constructions
  • characterization of material properties
  • hygrothermal performance analysis
  • durability performance analysis
  • energy performance analysis
  • thermal comfort performance analysis
  • structural performance analysis
  • life cycle carbon/cost analysis

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Published Papers (1 paper)

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Research

24 pages, 3914 KiB  
Article
Modeling Moisture Accumulation and Decay Potential in Cross-Laminated Timber Wall Assemblies Exposed During the Construction Phase
by Anke Blommaert, Marijke Steeman and Nathan Van Den Bossche
Buildings 2025, 15(7), 1075; https://doi.org/10.3390/buildings15071075 - 26 Mar 2025
Viewed by 259
Abstract
This study examines decay risks in cross-laminated timber (CLT) wall assemblies with built-in moisture, aiming to develop a simulation-based methodology to assess moisture dynamics during the construction phase. Differing from previous research, this study focuses on the central regions of CLT wall panels. [...] Read more.
This study examines decay risks in cross-laminated timber (CLT) wall assemblies with built-in moisture, aiming to develop a simulation-based methodology to assess moisture dynamics during the construction phase. Differing from previous research, this study focuses on the central regions of CLT wall panels. Moisture distribution within the panel, especially in the exposed layer, is critical for understanding potential degradation. A series of simulations were conducted to determine the necessary level of detail for moisture profiling, comparing approaches that use a single average value, layer-specific averages, and a refined profile that distinguishes the outer 5 mm from the remaining material. The influence of factors such as wood type, glue type, delivery moisture content, orientation, and rain exposure was systematically evaluated to define realistic moisture profiles at the end of the construction phase. Subsequent degradation assessments incorporated these profiles along with variations in insulation materials to evaluate the time of wetness, dose accumulation, and heat flux increases. Results indicate that a detailed moisture profile is essential for accurately predicting decay risk and that trade-offs exist between moisture management and thermal performance depending on the insulation used. These findings provide a framework for predicting decay risks in CLT assemblies and offer insights for designing more durable and energy-efficient structures. Full article
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