Your search resulted in 1185 documents. Displaying 25 entries per page.
Fungal decay in cable car pylons in Svalbard - overview of results
2025 - IRG/WP 25-41026
…exposed both aboveground and ground proximity. Whilst the timber used in the constructions was assumed to be untreated Norway spruce (Picea abies), light microscopy revealed that 25% of the timber members were Scots pine (Pinus sylvestris). Wooden beams exposed aboveground showed initial decay over the first 80-90…
G Alfredsen, M Altgen, M S Austigard, J Mattsson, M Nunez, L Ross, S Aarseth Tunstad, A Treu, I A Yakovlev, N Bjerregaard Pedersen
A Case Study of Vogvarjeva hiša, a Local Ethnographic Museum
2025 - IRG/WP 25-41027
…cultural heritage. The building was constructed from local timber on stone foundations and reflects the traditional rural building techniques of the Gorenjska region. Since it was declared a cultural monument in 1985, it has functioned as an ethnographic museum and offers valuable insights into historical ways of…
D Kržišnik, L Kopač, D Jones, M Humar
Relationship between changes inside moisture content of wood measured using temperature and humidity sensors and swelling and shrinkage
2025 - IRG/WP 25-41030
With the spread of mid and high-rise timber buildings, the long-term use of timber buildings is getting required more than ever. It is considered that measurement of the local inside moisture content of a wooden member is one of the useful methods for periodic health assessment of timber…
Y Sadakane, T Mori
Durability evaluation of outdoor-exposed CLT treated with various wood presevatives using CT scans
2025 - IRG/WP 25-41035
…treatment of large materials such as Cross Laminated Timber (CLT) are limited. It is unclear which wood preservation treatment methods can effectively protect CLT from rot risk. In this study, accelerated rot tests (fungus cellar test) of CLT treated with the solvent-borne wood preservative by non-pressure…
Y Sakurai, T Shigeyama, Y Sugai
Quantitative Prediction of Latent Deterioration in Wood Coatings Using Mid-Infrared Spectroscopy and Machine Learning
2025 - IRG/WP 25-41038
…coatings play a vital role in prolonging the lifespan of timber structures by protecting them from environmental degradation. However, conventional evaluation methods rely on visual inspections, which cannot detect latent deterioration before visible damage occurs. This study integrates attenuated total…
Y Teramoto
Investigation of Impregnation Factors for Biomass-Based Phenol-Formaldehyde Resins
2025 - IRG/WP 25-41044
…However, practical applications involving large-sized timber present more complex parameters. Applying the same impregnation conditions to large specimens may lead to unsatisfactory impregnation results. Therefore, this chapter aims to not only explore the influence of impregnation factors but also further…
Y-C Huang, T-H Lin, P-Y Kuo
Hyperspectral imaging in qualitative and quantitative assessment of biocide treated timber
2025 - IRG/WP 25-50407
…1000 – 2500 nm was used to collect spectral profiles of timber treated with different biocides and varying concentrations of a copper-ethanolamine based wood preservative. The spectra were analysed using statistical methods like principal component analysis, linear discriminant analysis, and partial least squares…
J Levanič, E Keržič, B Lesar, M Humar
Timber reuse and circularity: Insight from Norway's SirkTre and CircWOOD initiatives
2025 - IRG/WP 25-50409
Timber is central to the EU’s decarbonisation strategy, particularly in the building sector, which faces challenges related to climate adaptation, resource constraints, and rising costs. The four-year SirkTRE project aims to improve circularity in the…
K Nore, L Ross
Leveraging Geospatial Mapping for Timber Circularity in Australia
2025 - IRG/WP 25-50410
Timber, renowned for its low embodied carbon and renewable characteristics, is a prime candidate for integration into the circular economy. However, challenges arise in the reuse, repurposing, and recycling of chemically treated materials. The National Centre…
T Singh, P Mitchell, M Strandgard, M Harris
Contribution of naturally durable wood use to Circular Economy - Understanding the classification system of natural durability and its variation within wood species
2025 - IRG/WP 25-50411
…of wood. Common building and civil engineering timber species such as Japanese cedar, Scots pine, and Douglas fir are resources that should be utilised also in the future. These species classified as around moderately durable have shown that natural durability varies widely among clones, sites and within…
K Yamamoto, T Osawa, R Noda
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…
N-C Ko, Y-J Lee, H-D Kim
Wood Protection in the Tropics: A Necessity in the Face of Climate Change and Rising Demand for Wood Products Consumption
2025 - IRG/WP 25-50413
…will highlight the state of global markets for tropical timber consumption and the need for tropical timber producing countries to find a sustainable and optimum use of timber products in-country to serve the next generation and generations unborn.
M Nurudeen Iddrisu
Physical and chemical characterization of post-consumer wood chips for recycling
2025 - IRG/WP 25-50414
…composition, particle geometry, and contamination with heavy metals. Manual sorting and laser-based particle analysis showed that 39–67% of the mixed PCW samples consisted of clean solid wood, whereas this share increased to 61–87% in pre-sorted PCW. Coated and uncoated wood-based panels contributed…
M Altgen, K Bringdal Gedde, L Ross, E Larnøy
Addressing Climate Challenges through the Valorisation of Calamity Wood in the Alps-Adriatic Region
2025 - IRG/WP 25-50416
…forest ecosystems, reduce the economic viability of timber harvesting, and compromise regional sustainability. WoodInnovate aims to assess and enhance the utilization of storm- and pest-damaged wood through advanced modification techniques, innovative product design, and strategic cross-border collaboration.…
M Humar, E Keržič, B Lesar, J Gričar, B Likar, E Beltramini, S Silvestri
Sapstain fungi associated with soft wood species in Kerala, India
1998 - IRG/WP 98-10260
…throughout Kerala State, India utilise different timber species. The major problem in the utilisation of these species is their susceptibility to fungal sapstain and mould growth due to the conducive climatic conditions in the State. Several wood-based industries were surveyed and based on the economic…
E J M Florence, J K Sharma, R Gnanaharan
Do naturally sequestered biocidal metals contribute to the marine borer resistance of turpentine?
2024 - IRG/WP 24-11036
…XFM, we serendipitously observed several biocidal heavy metals in its heartwood. We found that turpentine heartwood contains a far greater diversity of these and other metals than previously thought. The concentrations of some of the heavy metals collectively reach levels previously shown to be toxic in…
P D Evans, H Matsunaga, D Feng, M Turner, C Kewish
Effects of phosphoric acid and diammonium phosphate treatments on the physical and fire-retardant properties of five selected Nigerian wood species
2024 - IRG/WP 24-20713
…species commonly used in buildings were evaluated. The timber species utilized in this study were sourced from the sawmill sector located in Akure, Nigeria, encompassing Brachystegia laurentii, Khaya ivorensis, Pterygota macrocarpa, Celtis zenkeri, and Terminalia superba. Specimen preparation and subsequent…
J Owoyemi, T O Akinwamide, O M Ibrahim, E A Iyiola
Surface treatment of cross-laminated timber to improve water repellency and UV resistance
2024 - IRG/WP 24-20716
Cross-laminated timber (CLT) has emerged as a revolutionary building material, offering a sustainable alternative to traditional construction methods. By layering and bonding multiple layers of wood at right angles, CLT creates a robust and versatile structural element…
M Chen, S Uphill, J Hilsenbeck, A Hughes
Evaluation of vacuum borate treated spruce or pine CLT in an above ground protected test in southern Mississippi
2024 - IRG/WP 24-41001
Cross laminated timber (CLT) has become a popular wood composite in large building applications that were previously limited to concrete and steel. To extend service and prevent biological attack, chemical protectants are often applied to wood. Cross laminated timber…
M E Mankowski, A Taylor, G T Kirker
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…
D Jones, S Duarte, J A J Huber, L Nunes
Service life of poplar, a low durability hardwood
2024 - IRG/WP 24-41007
…market. The growing potential of CLT (Cross Laminated Timber) alongside glulam has initiated a range of studies and industrial trials checking on the potential to use poplar as complementary material to softwoods. The properties of hybrid poplar wood might even in some aspects be beneficial as can be seen from…
J Van Acker, X Jiang, L De Ligne, J van den Bulcke
Changes in decay risk of wood in ground contact over Europe, from analysis of historic climate conditions
2024 - IRG/WP 24-41008
…due to more arid conditions and also in Ireland due to heavy rainfall. With further projected climate change in the future, it is important to understand the drivers and patterns of in-ground wood decay, as increases in suitable growing conditions can lead to a higher risk of decay and may necessitate more…
P B van Niekerk, B N Marais, G Alfredsen, C Brischke
Evaluation of mass timber materials for military and commercial trailer decking
2024 - IRG/WP 24-41009
In this study, CLT trailer decking was manufactured to current military trailer decking specifications, verified using PRG320 performance criteria, and treated with either waterborne or oil borne wood preservatives. Preliminary results show adequate uptake of…
G Kirker, A Senalik, X Wang, K Ohno, R Arango, M Mankowski, X Xie, J Eskola, N Kamprath, S Karwaczynski, M Weaver
Levels of chromated copper arsenate in aged radiata pine vineyard posts
2024 - IRG/WP 24-50389
At the Centre for Timber Durability and Design Life, Australia a cooperative project is underway with Forest and Wood Products Australia, supported by a consortium of timber producers, chemical suppliers and timber users to identify alternative pathways for treated timber and…
T Singh, T Yi, P Mitchell, J Norton
Evaluating the potential for re-using timber from deconstructed sea defence groynes from the Bournemouth groyne field
2024 - IRG/WP 24-50397
…need to reduce consumption of natural resources. Re-using timber in construction is one area where these resources can be conserved, deforestation mitigated and ecological footprints reduced in size. This paper summarises research undertaken on the Bournemouth groyne field during the period 2015 to 2020 and…
J R Williams