NSERC Alliance Project
THEME 2 – FIRE SAFETY
Project T2-2 Fire Protection and Design of Timber Connections and Members
PI: Sam Salem
There is currently no recognized fire design method for timber connections in Canada, even though CSA O86 currently stipulates that a timber connection must be designed to have the same Fire Resistance Rating (FRR) as the timber members that it connects. From a fire perspective, connections in mass timber construction can be divided into two categories: (1) exposed and (2) concealed. This research will focus on developing fire protection details for modern mass timber connections that can achieve 2-h FRR. Research will include small- and larger-scale fire performance testing of existing (baseline) and candidate new connection options. This will be closely coupled with numerical modelling of the thermo- mechanical and structural behaviour of exposed and concealed fasteners for timber components under load during a fire event. In addition to fire protection details, another key outcome of the research will be design approaches for traditional and new timber connections that could be implemented in CSA O86.