Structural Assessment of Glued-Laminated Timber Columns Subjected to Real Fires

This thesis investigates the performance and post-fire structural integrity of glued-laminated (glulam) columns when exposed to real fires. The primary objective of the Mass Timber Demonstration Fire Test Program (MTDFTP) in Ottawa was to conduct large-scale fire tests to explore construction fire safety, fire behavior in open office spaces and residential areas, and the impact of exposed mass timber elements on fire intensity and duration. Detailed visual inspections and axial compression testing of the MTDFTP columns indicated differences between actual charring rates and rates predicted by CSA O86 (2019), and Eurocode 5 (2004). Uneven charring and adhesive degradation were significant factors affecting post-fire performance. Despite extensive charring, the columns retained much of their structural integrity, supporting potential repairs over replacement. This research gives an insight into the charring behaviour of glulam columns and recommends updates to fire safety standards, enhancing fire resistance and safety of timber structures.

Name thesis:degree_name

Master of Applied Science (M.App.Sc.)

Level thesis:degree_level

Master's

Discipline thesis:degree_discipline

Engineering, Civil

Grantor dc:publisher

Carleton University

Year dc:date.issued

2024

Author dc:creator

• Seyedrazavi, Saba

Statement dc:rights

• Copyright © 2024 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, distribution to students, research and scholarship. Theses may only be shared by linking to the Carleton University Institutional Repository and no part may be copied without proper attribution to the author; no part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.

Language dc:language.iso

en

DOI

10.22215/etd/2024-16434

OAI identifier oai:identifier

oai:carleton.scholaris.ca:20.500.14718/43577