Monitoring systems for quality assurance of timber bridges

Franke, Steffen; Franke, Bettina; Schiere, Marcus; Bonifacio, Sébastien; Müller, Andreas (12 May 2022). Monitoring systems for quality assurance of timber bridges In: 4th International Conference on Timber Bridges (ICTB 2021PLUS): Conference Proceedings (pp. 1-10). Berner Fachhochschule 10.24451/w5yg-j871

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Wood properly protected and controlled is very powerful and durable. Continuous monitoring of wood moisture content is a suitable early warning system. The importance of wood moisture in relation to possible damage in timber construction is shown by the study of [1], where 50 % of all investigated objects show damage or failure due to wood moisture changes or low and high wood moisture contents. Another study by [2] shows that 30% of these objects are damaged due to seasonal or climate-induced wood moisture changes. Since the distribution of wood moisture is often not constant across the cross-section, internal stresses perpendicular to the grain (moisture-induced stresses, MIS) arise due to the anisotropic moisture-strain behaviour. These stresses can easily exceed the characteristic tensile strength perpendicular to the grain and lead to crack development, [3]. In curved glulam beams, these stresses can also lead directly to the total loss of load-bearing capacity, as shown in [4] or [5].

Item Type:	Conference or Workshop Item (Paper)
Division/Institute:	School of Architecture, Wood and Civil Engineering School of Architecture, Wood and Civil Engineering > Institute for Timber Construction, Structures and Architecture School of Architecture, Wood and Civil Engineering > Institute for Timber Construction, Structures and Architecture > Timber Construction BFH Centres and strategic thematic fields > BFH Centre for Wood - Resource and Material School of Architecture, Wood and Civil Engineering > Institute for Timber Construction IHB School of Architecture, Wood and Civil Engineering > Institute for Timber Construction IHB > Timber Structures group FGH
Name:	Franke, Steffen0000-0003-2430-8491; Franke, Bettina0000-0002-8087-9347; Schiere, Marcus; Bonifacio, Sébastien and Müller, Andreas
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TG Bridge engineering T Technology > TH Building construction
Publisher:	Berner Fachhochschule
Language:	English
Submitter:	Steffen Franke
Date Deposited:	10 Jan 2023 15:21
Last Modified:	16 Sep 2024 13:46
Publisher DOI:	10.24451/w5yg-j871
ARBOR DOI:	10.24451/arbor.18484
URI:	https://arbor.bfh.ch/id/eprint/18484