The data collected from these experiments were used to demonstrate the fire performance of cross-laminated timber (CLT) buildings and to change the International Building Code (IBC) prescriptive fire protection design provisions for mass timber buildings.
In order to develop a comprehensive analysis of such composite systems, the fire-tested assemblies matched those being tested by Dr. Andre Barbosa (Project: Seismic Performance of Cross-Laminated Timber and Cross-Laminated Timber-Concrete Composite Floor Diaphragms, 2017-2020) and Dr. Chris Higgins (Project: Composite Concrete-CLT Floor Systems for Tall Building Design, 2017-2020).
Research Team:
Erica Fischer – Oregon State University (OSU), School of Civil and Construction Engineering
André Barbosa – OSU School of Civil and Construction Engineering
Arijit Sinha – OSU Department of Wood Science and Engineering
The Mitigating Fire Concerns project is in collaboration with the Forest Products Laboratory in Madison, Wisconsin, which has a chamber to test elevated temperatures up to 330 degrees Celsius. In the lab, the project will take the connection systems from the Composite CLT-Concrete Floor Systems for Tall Building Design project and test them over elevated temperatures to evaluate strength properties as well as how the stiffness and strength degrade at different levels of elevated temperatures.
Project Lead:
Arijit Sinha
In the U.S. there is limited information published on the performance of through-penetration fire seals in cross-laminated timber floors. TDI has partnered with ARUP and the Framework project, a 12-story mass timber building project in Portland, to investigate and test through-penetrations to the ASTM E814 standard.
Technical Advisors: David Barber, Lech Muszynski
This project will document the flammability of Douglas-fir and spruce-pine-fir CLT panel assemblies produced in the United States. Tests are being conducted on wall and floor panel assemblies with standard overlapping connections and produced with two different types of commonly-used adhesives.
Research Team:
Lech Muszynski, Department of Wood Science & Engineering (PI),
Rakesh Gupta, Department of Wood Science & Engineering (co-PI),
Milo Clauson, Department of Wood Science & Engineering (FRA)
