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Comparative Life-Cycle Assessment of a High-Rise Mass Timber Building with an Equivalent Reinforced Concrete Alternative Using the Athena Impact Estimator for Buildings

https://research.thinkwood.com/en/permalink/catalogue2465
Year of Publication
2020
Topic
Environmental Impact
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Chen, Zhongjia
Gu, Hongmei
Bergman, Richard
Liang, Shaobo
Publisher
MDPI
Year of Publication
2020
Country of Publication
Switzerland
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Environmental Impact
Keywords
Cradle-to-Grave
Life-Cycle Assessment
Reinforced Concrete
Language
English
Research Status
Complete
Series
Sustainability
Online Access
Free
Resource Link
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Comparative Life-cycle Assessment of a Mass Timber Building and Concrete Alternative

https://research.thinkwood.com/en/permalink/catalogue2429
Year of Publication
2020
Topic
Environmental Impact
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems

Environmental Life-Cycle Assessment and Life-Cycle Cost Analysis of a High-Rise Mass Timber Building: A Case Study in Pacific Northwestern United States

https://research.thinkwood.com/en/permalink/catalogue2838
Year of Publication
2021
Topic
Environmental Impact
Cost
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Liang, Shaobo
Gu, Hongmei
Bergman, Richard
Organization
USDA Forest Product Laboratory
Editor
Ganguly, Indroneil
Publisher
MDPI
Year of Publication
2021
Country of Publication
United States
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Environmental Impact
Cost
Keywords
LCA
Environmental Impact
Carbon Analysis
Language
English
Research Status
Complete
Series
Sustainability
Summary
Global construction industry has a huge influence on world primary energy consumption, spending, and greenhouse gas (GHGs) emissions. To better understand these factors for mass timber construction, this work quantified the life cycle environmental and economic performances of a high-rise mass timber building in U.S. Pacific Northwest region through the use of life-cycle assessment (LCA) and life-cycle cost analysis (LCCA). Using the TRACI impact category method, the cradle-to-grave LCA results showed better environmental performances for the mass timber building relative to conventional concrete building, with 3153 kg CO2-eq per m2 floor area compared to 3203 CO2-eq per m2 floor area, respectively. Over 90% of GHGs emissions occur at the operational stage with a 60-year study period. The end-of-life recycling of mass timber could provide carbon offset of 364 kg CO2-eq per m2 floor that lowers the GHG emissions of the mass timber building to a total 12% lower GHGs emissions than concrete building. The LCCA results showed that mass timber building had total life cycle cost of $3976 per m2 floor area that was 9.6% higher than concrete building, driven mainly by upfront construction costs related to the mass timber material. Uncertainty analysis of mass timber product pricing provided a pathway for builders to make mass timber buildings cost competitive. The integration of LCA and LCCA on mass timber building study can contribute more information to the decision makers such as building developers and policymakers.
Online Access
Free
Resource Link
Less detail

Life Cycle Assessment of Forest-Based Products: A Review

https://research.thinkwood.com/en/permalink/catalogue2175
Year of Publication
2019
Topic
Environmental Impact
Application
Wood Building Systems