Performance of Post-Tensioned Timber and Engineered Timber Adhesives with Fire Exposure
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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.
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Copyright © 2018 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used 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.
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- 2018
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quiquero-performanceofposttensionedtimberandengineered.pdf | 2023-05-05 | Public | Download |