Structural Response Model for Wood Stud Wall Assemblies - Theory Manual

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TypeTechnical Report
Series titleResearch Report (National Research Council Canada. Institute for Research in Construction); no. RR-128
Physical description10 p.
AbstractTo minimize the costly consequences of fire, load-bearing wood-framed assemblies, such as other building fire barriers, are required to exhibit acceptable fire resistance to contain the fire within the compartment of fire origin. This containment will delay fire spread to other compartments, as well as provide for safe evacuation and rescue operations. The fire resistance of wood-frame assemblies can be evaluated by subjecting loaded assemblies to the standard ULC/S101-M891 tests or using calculation methods.The National Research Council of Canada (NRC) and the Canadian wood industry have joined in a collaborative effort to develop an analytical model to predict the fire resistance of lightweight wood-frame wall assemblies exposed to standard and real fires. The model is comprised of two sub-models: a heat transfer sub-model and a structural response sub-model. This report describes the theoretical framework of the structural response sub-model, which predicts the time to failure and deflection of structurally-loaded wood-framed wall assemblies. This report also presents a sample example of a simulation through the comparison between experimental and analytical predictions.
Publication date
PublisherNational Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC numberNRC-IRC-15214
NPARC number20378855
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Record identifier607f7d53-f669-4218-b080-5a96b466b381
Record created2012-07-24
Record modified2017-07-05
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