Performance of Post-Tensioned Timber and Engineered Timber Adhesives with Fire Exposure

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Quiquero, Hailey Brianna




Increased environmental conscientiousness and the abundance of timber in Canada has lead to the desire for more timber construction. To increase opportunity for timber products in construction, novel building systems including Post-Tensioned (PT) timber are required. A numerical model was developed and validated in FEM software Abaqus to model PT timber in fire conditions, with highly promising results. Beam failure times were modelled within 5%, and load-deflection behaviour and failure mechanisms were accurately demonstrated. Additionally, the performance of timber adhesives after fire damage was examined. Based on the experimental results, additional zero-strength layer thicknesses were estimated conservatively to be 23 mm beyond the char front (95th percentile) to account for the loss of strength (subject to various limitations). It is recommended that a new standardized test be developed for timber adhesives which quantifies the performance beyond the char layer in burnt engineered timber so that individual adhesives may be evaluated.


Engineering - Civil




Carleton University

Thesis Degree Name: 

Master of Applied Science: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Engineering, Civil

Parent Collection: 

Theses and Dissertations

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