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Estimation of residual compressive strength on cross laminated timber with biodeterioration damage
2021 - IRG/WP 21-40918
CLT is susceptible to biodeterioration such as fungal decay and termite attack during long-term use for buildings. It is necessary to know the residual strength performance of biodegraded CLT for estimating future performance and aging of CLT. In this study, compression tests of CLT damaged by brown rot fungi and termites were conducted to clarify the relationship between residual strength and mas...
R Inoue, T Mori, K Kambara, W Ohmura
Joints design considerations in indoor high humidity conditions
2022 - IRG/WP 22-40950
In recent years, a number of cases of degradation by wood destroying fungi have been detected in covered timber structures such as pools, wineries, bathrooms, etc. – in fact, any building where indoor air may reach high humidity values during certain periods of time.
The origin of this kind of decay was not related to water leaks, but to the condensation of the water vapor over the steel connec...
A Lozano, D Lorenzo, M Alonso, F Álvarez, J E Martínez
Prevention of termite tubing on foam insulation materials
2024 - IRG/WP 24-11039
Foam insulation products have been shown to be damaged by termites who can readily tunnel within it and use it as a conduit within structures. Different types of commercially available foam insulation were tested to see if they could support termite (Coptotermes formosanus, Shiraki) tunnelling on or within them and whether they could be used as a conduit to access a wood food source placed above i...
Q Wu, J Curole, J D Lloyd
A Study on the Damage and Conservation of Wood in Dense Areas of Wooden Buildings
2025 - IRG/WP 25-50412
One of the key threats to timber buildings in large parts of the world is the risk for damage by termites. Therefore, effective preservation strategies need to be developed. The study presented here is focussing on the current condition of wooden houses in the Seocho area, a densely built wooden residential area in Jongno-gu in Seoul, Korea. This study has been conducted to explore the proactive a...
N-C Ko, Y-J Lee, H-D Kim