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WSE Defense: Elevated Temperature Effects on the Shear Performance of a Cross-Laminated Timber (CLT) Wall-to-Floor Bracket Connection

There is limited research on elevated temperature performance of CLT connections, and consequentially a lack of full understanding of the fire performance of CLT structures. Therefore, tests were conducted on a CLT wall-to-floor bracket connection assembly to characterize thermal degradation according to a matrix of 28 exposure duration-temperature combinations. The first phase of the research developed simple models to predict thermal degradation of two basic engineering parameters, peak strength and elastic stiffness. The second phase of the research used two different methods to develop force-displacement backbone models from the experimental hysteresis data. Results from both studies indicate significant thermal degradation of the connection performance at elevated temperatures. This research is a step towards holistic evaluation of elevated temperature modeling of CLT structures, and identifies a need for further research in elevated temperature performance of CLT structural systems.

 

Kolton Mahr was born and raised in Grants Pass, OR.  He originally came to Oregon State University to study Forestry, but also became interested in structural engineering during his undergraduate career. Researching CLT allowed him to stay involved with both forestry and structural engineering, while learning about the high performing and sustainable material that could provide a boost to the local timber industry. After graduation he plants to move to Portland to start his career at KPFF consulting engineers.

Monday, June 3, 2019 at 9:00am to 10:00am

Richardson Hall, 289
3180 SW Jefferson Way, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Academic, Research

Audience

Community Members, Faculty and Staff, Student, Industry Partner

County

Benton

Cost

Free

Organization
Department of Wood Science & Engineering
Contact Name

Jessica King

Contact Email

Jessica.King@oregonstate.edu

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