Your search resulted in 703 documents. Displaying 25 entries per page.
Effect of biodiesel-containing solvents on the performance of Copper Naphthenate and Pentachlorophenol: 118-month assessment and depletion analysis
2025 - IRG/WP 25-41022
…data showed here summarizes ratings and depletion analysis at a damp, forested test site and a drier, exposed field site. Differences in solvent performance were only observed at the forested site where decay proceeded faster. Performance trended lower for the highest and lowest retentions for copper…
J Cappellazzi, M J Konkler, J J Morrell, C S Love, G Presley
AI Models for Accelerating Wood Protection Testing: Development of Predictive Tools Based on Long-Term Field Test Data
2025 - IRG/WP 25-41023
…conditions. The model was validated through retrospective analysis using completed test series, where predictions based on early-stage data (within 1.5 years) were compared to observed long-term degradation patterns. DecAI consistently demonstrated high predictive accuracy, as measured by Mean Squared Error (MSE),…
J Stenbaek, B Noufel, L Glade, P Bisgaard
A Case Study of Vogvarjeva hiša, a Local Ethnographic Museum
2025 - IRG/WP 25-41027
…airborne fungal spore sampling and morphological analysis of insect species. The results indicate localised but active wood decay caused mainly by house longhorn beetle (Hylotrupes bajulus) and common furniture beetle (Anobium punctatum). Although the moisture content is below the threshold values for…
D Kržišnik, L Kopač, D Jones, M Humar
Durability evaluation of outdoor-exposed CLT treated with various wood presevatives using CT scans
2025 - IRG/WP 25-41035
…by the barrier layer of the preservative, internal analysis methods including non-destructive X-ray CT analysis were also examined. Within the range of this study, no rot was observed in the inner layer of CLT, confirming that the barrier layer of the preservative worked effectively.
Y Sakurai, T Shigeyama, Y Sugai
Validation of a measurement method for cyproconazole retention in pressure-treated wood through an interlaboratory study
2025 - IRG/WP 25-41037
…remove wood components that could interfere with HPLC-UV analysis. Nine laboratories participated the interlaboratory study. Test samples at six concentration levels of CYP were prepared, and each laboratory carried out measurement for three samples in each concentration level. The results from the laboratories…
T Miyauchi, Y Itou, M Samejima
Towards Sustainable Wood Protection: PF resins-impregnated Paper Honeycombs and the role of Processing Parameters analysis by Response Surface Methodology
2025 - IRG/WP 25-41045
Honeycomb paperboard is an important wood-derived product and also an emerging new material to combine with wood panels. It is commonly applied as cushioning materials with excellent mechanical performance, and high demands in packaging market. The aims of thi…
Y-C Wu, P-Y Kuo
Developing a Novel Bio-based PF Resin as Wood Preservative and Explore its Synthesis Route Using RSM Methodology
2025 - IRG/WP 25-41046
…synthesis. The optimal conditions identified through RSM analysis are 0.5% catalyst concentration, a reaction temperature of 120°C, and a reaction duration of 60 minutes. This study provides a foundation for developing more sustainable wood preservatives and sets the stage for future exploration into biomass…
H-C Ye, Y-C Wu, T-H Lin, P-Y Kuo
Development of an Early Degradation Diagnosis Technology for Wood Coatings Using Mid-Infrared Spectroscopy and Machine Learning
2025 - IRG/WP 25-41047
…a predictive model for degradation time through regression analysis. Furthermore, field tests were conducted to verify the applicability of this diagnostic technology to actual buildings.
K Nishimura, T Ito, S Isaji, T Takano, H Ohki, Y Teramoto
WoodStock: Empowering climate-smart, circular, and zero-waste use of underutilized wood from the forest and building stock in the construction sector to support the New European Bauhaus
2025 - IRG/WP 25-50405
…Wood Products methodology and dynamic Material Flow Analysis modelling to gain insights into wood utilisation potential, climate mitigation impacts, and resource availability. This also entails a robust dynamic Life Cycle Assessment (LCA) methodology for the assessment of environmental, social, and economic…
L De Ligne, J Van Acker, J Van den Bulcke
Hyperspectral imaging in qualitative and quantitative assessment of biocide treated timber
2025 - IRG/WP 25-50407
…using statistical methods like principal component analysis, linear discriminant analysis, and partial least squares to assess the differences between the spectral profiles of different biocides used in timber treatment and different concentrations of copper-ethanolamine based preservatives. We were able to…
J Levanič, E Keržič, B Lesar, M Humar
Leveraging Geospatial Mapping for Timber Circularity in Australia
2025 - IRG/WP 25-50410
…reuse and recycling pathways. Additionally, geospatial analysis ensures informed decision-making.
This integrated approach not only enhances visibility into timber resource flows but also facilitates collaboration between stakeholders by identifying key collection hubs, transport routes, and suitable end users.…
T Singh, P Mitchell, M Strandgard, M Harris
Physical and chemical characterization of post-consumer wood chips for recycling
2025 - IRG/WP 25-50414
…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 significantly to contamination and influenced the resulting…
M Altgen, K Bringdal Gedde, L Ross, E Larnøy
Evaluation of Fungicide Transfer to Fruit Stored in Bins Constructed from Anti-Sapstain Treated Radiata Pine
2025 - IRG/WP 25-50417
…375, containing oxine copper as an active ingredient. The analysis examines residues of chlorothalonil, carbendazim, and copper in apples exposed in mini-bins made from anti-sapstain treated wood under various scenarios. The results from this preliminary study indicate there is minimal risk of transfer of the…
D Humphrey, A Russell
Analysis of A Wooden Structure Damaged in a Fire – The Wooden Granary at Zaprice, Kamnik
2025 - IRG/WP 25-41049
Zaprice Open-Air Museum in Kamnik, Slovenia, features several granaries dating to the early 19th century, forming part of the national Cultural Heritage Register (EID: 1-09881). One of the two-chamber wooden granaries, constructed in 1828, suffered significant…
M Humar, B Lesar, L Kopač, A Žagar
Characterization of tropical wood-decaying fungi by RFLP analysis of PCR amplified rDNA
1998 - IRG/WP 98-10251
…were digested using nine restriction enzymes (RFLP). The analysis of RFLP gel electrophoresis allowed to clearly discriminate every strain from each others. The 150 wood-decaying fungi strains currently in collection in the laboratory will be studied to create a data bank of reference profiles.
A Zaremski, M Ducousso, Y Prin, D Fouquet
Time-lapse evaluation of Aureobasidium pullulans growth on selected lignin derivatives and chitosan
2024 - IRG/WP 24-11032
…Furthermore, they served as quantitative data for the analysis of various morphological and growth parameters of A. pullulans. The combination of time-lapse microscopic observation, with mathematical analysis, offers valuable insights into the first steps of fungal growth that are crucial for our understanding…
Gubensek, F Poohphajai, A Tosic, K Butina Ogorelek, W Pajerski, A Cernosa, V Hribljan, A Sandak
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
…and 7.39%; and 5.53%, 8.15%, and 8.59%, respectively. The analysis of variance showed that this treatment varies significantly among the wood species and varying treatment. Further, the rate of combustion showed that T. superba, P. macrocarpa, C. zenkeri, B. laurenti, and K. ivorensis recorded percentage weight…
J Owoyemi, T O Akinwamide, O M Ibrahim, E A Iyiola
EMC as a quality control parameter for thermally modified wood
2024 - IRG/WP 24-20720
…for TMW. In this paper we review literature and present an analysis of the lab and field test performance data used by the NWPC to list TMW. We propose Equilibrium Moisture Content (EMC) as a valid and reliable metric for TMW quality performance at a threshold value of EMC=6.
Thus, decay resistance of thermally…
P Klaas, J T Lauridsen
Developing thermal-energy storage systems based on Kraft lignin-glyoxal and organic phase-change material modified wood
2024 - IRG/WP 24-30810
…influence on the nano-micelle size. Thermogravimetric analysis (TGA) of wood treated with resin and PCM showed enhanced char residue at elevated temperature. Fourier-transform infrared spectroscopy (FTIR) revealed a possible interaction between Kraft lignin and glyoxal. The infrared imaging suggested the ability…
C-F Lin, O Karlsson, D Jones, D Sandberg
Modelling the service life of wood in ground contact – Verification of remotely sensed soil data from the reanalysis dataset ERA5-Land using in-situ measurements at a test site of utility poles in Eastern Norway
2024 - IRG/WP 24-41003
…moisture and temperature estimates from the 5th European reanalysis (ERA5-Land) dataset with in-situ measurements to assess the accuracy and applicability of ERA5-Land data for modelling the service life of wood in ground contact. The ERA5-Land soil temperature estimates showed a moderate correlation with the in-situ…
U Hundhausen, P B van Niekerk, B Marais
Assessment of historical pilings from Lisbon
2024 - IRG/WP 24-41004
…of decay in the first instance, whilst more detailed analysis using Computed Tomographic (CT) Scanning has allowed internal assessment of the poles. Results reported show many of the poles were suitable for extended service life, whilst the use of CT scanning gives clear 3-dimensional evidence of levels of…
D Jones, S Duarte, J A J Huber, L Nunes
Changes in decay risk of wood in ground contact over Europe, from analysis of historic climate conditions
2024 - IRG/WP 24-41008
Changing climate conditions will affect global temperature and precipitation patterns, shifting some geographical areas into states that are more suitable for fungal wood decay. Climate normals, which are taken over a 30-year period, capture vast spatial and t…
P B van Niekerk, B N Marais, G Alfredsen, C Brischke
Leaching and chemical redistribution of CCA components in refractory heartwood of E. nitens
2024 - IRG/WP 24-41011
…differ statistically from background levels. Comparative analysis with other studies indicated consistent leaching patterns, emphasizing the low leachability and effective fixation of CCA. The study contributes valuable insights for understanding leaching patterns and chemical migration, especially for hardwoods,…
J R Vargas, L Yermán, K C Wood, T Singh
Analysis and performance of spruce alternative species and discarded wood for windows production
2024 - IRG/WP 24-50386
Climate change is having a significant impact on European forestry, particularly on the softwood species used for window frames. This study investigates potential replacement tree species for spruce (Picea abies), the predominant material for window frames. We…
B Lesar, J Levanič, M Humar, A Treu
Unlocking the potential of tropical fast-growing hardwood species
2023 - IRG/WP 23-11010
Social forestry or community managed forestry practices have been promoted as an inclusive way to mitigate climate change through the framework of the UNFCCC scheme of the Reduce Emission Deforestation and forest Degradation (REDD+) programme. Fast growing woo…
S Fauziyyah, R Wimmer, C Brischke