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Post-fire assessment of structural wood membersAuthor(s): Robert J. Ross; Brian K. Brashaw; Xiping Wang; Robert H. White; Roy F. Pellerin
Source: Wood and timber condition assessment manual. Madison, WI : Forest Products Society, 2005: pages 29-46.
Publication Series: Miscellaneous Publication
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DescriptionSince the interior of a charred wood member normally retains its structural integrity, large structural wood members often do not need to be replaced after a fire. Engineering judgement is required to determine which members can remain and which members need to be replaced or repaired. Due to the lack of established methods to directly determine the residual capacity of damaged wood members, a systematic approach starting with the assessment of the likely fire exposure is recommended. Assessment includes visual inspection of damaged members, visual inspection of connections, and visual inspection of any protective membranes (i.e., gypsum board). Potential methods for nondestructive evaluation of structural properties of a fire-damaged wood member are discussed after a brief review of the degradation of wood when exposed to fire.
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CitationRoss, Robert J.; Brashaw, Brian K.; Wang, Xiping; White, Robert H.; Pellerin, Roy F. 2005. Post-fire assessment of structural wood members. Wood and timber condition assessment manual. Madison, WI : Forest Products Society, 2005: pages 29-46.
KeywordsPost-fire assessment, building inspection, wood, deterioration, nondestructive testing, fire testing, pyrolysis, structural timbers, fire resistance, fire damage, charring, thermal degradation
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