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Genetic relationships of local infestations by Anobium punctatum, Xestobium rufovillosum and their associated predator Korynetes caeruleus from buildings in North-Eastern Germany
2021 - IRG/WP 21-10982
Wood-destroying pests such as Anobium punctatum and Xestobium rufovillosum cause damage to art and cultural objects as well as to buildings. Monitoring population dynamics of pest species as well as of their naturally occurring counterparts are an essential part in the development of biological control measures as alternatives to conventional wood protection. Therefore, both the dispersal and homo...
C von Laar, C Baar, R Plarre, D P McMahon
Development of Wooden Fireproof Structures for Mid- and High-rise Buildings in Japan
2021 - IRG/WP 21-30757
When constructing a mid-to-high-rise building more than 4 stories in general in Japan, it is necessary to have a fireproof structure stipulated by the Building Standard Law. The performance required as a fireproof structure in Japan is generally stricter than in other countries, and it is required to be structurally sound after a fire even without fire extinguishing activities. In order to satisfy...
D Kamikawa, M Harada, H Matsunaga, R Takase, N Hattori, Keisuke Ando, M Miyabayashi
Evaluation of the physical properties of heat-treated native Peruvian woods for their application as coverings in buildings located in in arid, semi-warm and humid climates
2022 - IRG/WP 22-40943
Wood is a material that has properties suitable for its use in construction: as a structural component, cladding or decorative element, however, it is necessary to have knowledge of its physical, mechanical and thermal properties in order to have a logical criterion when applying it. It is known that wood has hygroscopic properties, so it tends to absorb the relative humidity of the natural enviro...
K Ayala Castro, A Loayza Argüelles, V J Pilco Mamani
Subterranean termite control management in urban areas in Spain. Example of management in the old town of Vigo, Spain
2023 - IRG/WP 23-11006
Termites are wood destroying insects always present in the nature with an important wood decomposition function. In Europe, they are mainly located in the Mediterranean area. In Spain, termites are an important problem in urban areas. It is estimated about 80% of old historic towns in Spain are affected by subterranean termite attacks and it is the most important damage in wood structures and wood...
D Lorenzo, A Lozano, M Touza, J Benito
Suitability of boron preservative treatment of minor species as framing in New Zealand buildings
2023 - IRG/WP 23-30778
The inclusion of alternative species to radiata pine, predominantly exotic species, in the building code (NZS 3602) raises questions as to whether they require preservative treatment and, if so, whether they can be adequately treated using current industry processes.
Early research with boron indicated that the dip/diffusion method for green timber would give adequate preservative retention in sa...
D Page, I Simpson, T Singh
Protocol of action in urban areas affected by subterranean termite attacks in Spain. Example of management in the old town of Areatza
2024 - IRG/WP 24-11037
Termites are wood destroying insects always present in the nature with an important wood decomposition function. In Europe are located in the Mediterranean area. In Spain termites are an important problem in urban areas. It is estimated about 80% of old historic towns in Spain are affected by subterranean termite attacks and it is the most important damage in wood structures and wood elements. The...
D Lorenzo, J Benito, J Arancon, D Luengas
Assessment of historical pilings from Lisbon
2024 - IRG/WP 24-41004
The renovation and rebuilding of areas in Lisbon has led to work on buildings constructed in the Pombaline downtown district. These buildings were constructed on wooden pilings, as a means of stabilising unstable soils and transfer the loads from buildings to soils with adequate bearing capacity. These methods also increased the resilience of the reconstruction works to future possible earthquakes...
D Jones, S Duarte, J A J Huber, L Nunes