Your search resulted in 577 documents. Displaying 25 entries per page.
Assessment of the durability of a lesser known species (Borassus aethiopum Mart.) against termite and fungi from different ecozones in Nigeria
2018 - IRG/WP 18-10924
…in an accelerated durability test (ADT) using standard procedure. Data were analysed using descriptive statistics and ANOVA at α0.05.
The highest WL of 41.0±0.83% was obtained for innerwood. Brown rot degraded wood by 5.0±0.07%, 26.6±1.2% and 81.9±2.8%, while white rot degraded it by 4.0±0.01%, 19.4±2.2%…
O O Yekin, A R Ojo
Reliability-based service life prediction methodology for assessment of water protection efficiency for coatings on wood
2003 - IRG/WP 03-20268
Assessment of water protection efficiency according to EN 927-5 has been shown to give significant differences in water absorption values for different types of coatings on wood. It is shown that the combination of EN 927-5 and an artificial weathering…
J Ekstedt
Ecotox Testing of Leachates as an Alternative Approach for Environmental Impact Assessment of Wood Preservatives
2002 - IRG/WP 02-50185
…EU Biocidal Product Directive (BPD) in the environmental assessment of treated wood different methodologies and test strategies are at present under discussion within industry, regulatory authorities and standardizing comittees.
Test procedures for the analytical determination of emissions to different…
H-W Wegen
Danish wood preservatives approval system with special focus on assessment of the environmental risks associated with industrial wood preservatives
2001 - IRG/WP 01-50166-01
The following is a description of the procedure used by the Danish Environmental Protection Agency to assess the environmental risks associated with preservatives used in the pressure impregnation of wood. The risk assessment covers issues considered to be of significance for the environment and…
J Larsen
Environmental risk assessment of wood preservatives in the Netherlands
2001 - IRG/WP 01-50166-10
…in May 2000. The authorisation currently is a national procedure. The inclusion of an active substance of a product in Annex 1 or 1a of the Biocides Directive, will follow the required EU steps. According to the first Review Regulation, existing active substances of wood preservatives are among the first to be…
E Smit, P van der Zandt, J Appelman
Structural health assessment of wood - A comparison of methods for determining the spatial spread of fungal infestation in beams and rafters
2025 - IRG/WP 25-11051
Wood decay in buildings can cause severe economic losses, require comprehensive refurbishment, and removal of decayed wooden elements from the building. The latter aims at restoring the structural integrity of the component or the entire building through repla…
C Brischke, N Sommerfeld, E Flohr, A K Mayer, S Bollmus
Effect of biodiesel-containing solvents on the performance of Copper Naphthenate and Pentachlorophenol: 118-month assessment and depletion analysis
2025 - IRG/WP 25-41022
…0-100% biodiesel for copper naphthenate. The 118-month assessment 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…
J Cappellazzi, M J Konkler, J J Morrell, C S Love, G Presley
Non-destructive methods for field assessment of wood biodeterioration in hardwood trailer decks exposed to tropical environments
2025 - IRG/WP 25-41039
…penetration test. The results were compared with visual assessment based on the American Wood Protection Association (AWPA) standard. The results indicate that decay was the main factor contributing to the deterioration of the trailer deck boards at the tropical test site. Visual assessments showed that both…
X Wang, X Xie, G Kirker, C A Senalik
Preliminary assessment of imidazole as an adhesion system for particleboards
2025 - IRG/WP 25-41043
Particleboards with different combinations of adhesive mixtures containing imidazole, citric acid, and sorbitol were produced. Softwood sawdust from a Swedish sawmill was mixed with an aqueous solution of the chemicals and then dried to 0% moisture content pri…
A Scharf, H Dernagård, J Oja, G Ormondroyd, S Medved, D Jones
Hyperspectral imaging in qualitative and quantitative assessment of biocide treated timber
2025 - IRG/WP 25-50407
A hyperspectral camera operating in the shortwave infrared light range between 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 spe…
J Levanič, E Keržič, B Lesar, M Humar
Ecotoxicological behaviour of leachates from superficially treated timber as an approach for a test strategy of environmental risk assessment in wood preservation
1998 - IRG/WP 98-50101-09
…is a lack of generally approved and harmonized test procedures in this field of wood preservation assessment. Therefore, a first test model was developed in accordance with the German federal environmental agency. This test procedure follows existing standards on efficacy of wood preservatives such as EN 84…
H W Wegen, U J Lucks
Unlocking the potential of paulownia in Malaysia: Durability assessment to mold
2024 - IRG/WP 24-11043
…agar dish test following the ASTM D4445 standard. Weekly assessments were carried out to observe the progress of mold growth on the tested samples compared to rubberwood as virulence control. Results showed high to moderate resistance of the Revotropix Paulownia to mold A. brasiliensis. The chemical properties…
S Lipeh, T Khadiran, N A Siam, R Jalil, N F N M Isa
Assessment of hydrophobic properties of acetylated and furfurylated Korean wood species
2024 - IRG/WP 24-30812
To increase the utilization of Korean wood species, the hydrophobic properties of the most commonly used wood species in Korea were compared according to wood modification. Pinus densiflora (sapwood and heartwood) and Larix kaempferi (heartwood) were selected…
S-M Yoon, Y-S Choi, H-M Lee, Y Park, W-J Hwang, S-K Jang
Assessment of historical pilings from Lisbon
2024 - IRG/WP 24-41004
…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 decay and possible mineral inclusion.
D Jones, S Duarte, J A J Huber, L Nunes
Quantitative assessment of wood preservative emissions to waterways
2024 - IRG/WP 24-50393
…(OECD 2013). The ESD is used for environmental risk assessment of wood preservatives according to the Biocidal Products Regulation (BPR) in Europe. In this research, ESD equations for copper release from treated sheet pilings were reviewed and compared to classical mass balance equations used in surface water…
K J Rader, R Carbonaro, C Mackie
State of U.S. forests: Status and projections from the 2017 forest resources report and the 2020 resources planning act assessment
2024 - IRG/WP 24-50399
…and Rangelands: Forest Service 2020 Resources Planning Act Assessment.” It describes the current status and historic trends of forest land area, ownership, and volume and then expands to explore the socioeconomic impacts and influence of climate on future forest resources under various modeled scenarios.
S Oswalt
Assessment of treated wood leachates genotoxicity with a bacterial test
1997 - IRG/WP 97-50089
…to the carcinogenic effect obtained on mammals. A leachate procedure (EN 1250-2) was applied to treated wood (Pinus sylvestris, EN 113 type) in order to simulate and predict the loss of active ingredients through percolation or lixiviation processes. The genotoxicity of the leachates was evaluated with a bacterial…
P Marchal, C Martin
Assessment of the Material Durability and Structural Integrity of the Wooden Velodrome in Češča vas, Slovenia
2023 - IRG/WP 23-11012
…needed to be replaced or if some could be saved. Visual assessment of decay was carried out by piercing the wood with a knife, and decay was also quantified using resistograph measurements. Samples were isolated from the respective structure. Light microscopy was used to identify the wood species used for the…
D Kržišnik, M Humar, B Lesar
Assessment of the condition of wooden mill in the area of Kovačevići in Bosnia and Herzegovina
2023 - IRG/WP 23-11030
An excellent example of cultural and technical heritage is almost 100 year old wooden mills near Cazin in Bosnia and Herzegovina. These mills played an important role, especially in times of Bosnian war (1992-95), when this region was cut off from electricity.…
B Lesar, R Hasanagic, M Humar
Biological assessment of bio-based phase change materials in wood for construction applications
2022 - IRG/WP 22-40935
Solid wood can serve multi-functionality for energy savings in buildings. The study reveals the results of bio-deterioration and degradation of solid Scots pine wood used to incorporate single or multicomponent fatty acid mixtures as bio-based phase change mat…
S Palanti, A Temiz, G Köse Demirel, G Hekimoğlu, A Sari, M Nazari, J Gao, M Jebrane, T Schnabel, N Terziev
Future development of durability assessment of wood, according to typical usage of preservative-treated wood and naturally durable wood in Japan
2020 - IRG/WP 20-20675
…the recent studies and future developments of durability assessment for above-ground use in Japan.
T Osawa, W Ohmura, H Kurisaki
Validation by micro-computed tomography of an assessment method to measure the residual strength of anobiids infested timber
2019 - IRG/WP 19-20650
…tomography (μ-XCT) was used to enable better assessment of material degradation state by quantifying the loss of density as this parameter is highly correlated with mechanical properties of timbers and thus central for the assessment. The results showed an experimental high correlation (r2=0.60) between…
J L Parracha, M F Pereira, A Maurício, P Faria, L Nunes
Visual assessment of longitudinal wheel timbers and assessing the feasibility of extending wheel timber service life in the UK railway network
2019 - IRG/WP 19-20651
…a possible strategy to improve the examination and assessment of wheel timbers and assesses the feasibility of extending service life of wheel timbers exhibiting signs of localised decay. This approach may deliver more effective asset management of timber assets.
J R Williams
Identification of Antifungal Compounds in Konjac Flying Powder and Assessment against Wood Decay Fungi
2019 - IRG/WP 19-30737
The antifungal activity of konjac (Amorphophallus rivieri) flying powder (a by-product produced during mechanical processing of konjac flour) ethanol extract was evaluated against wood decay fungi in culture. Compounds associated with antifungal activity in th…
Z Bi, F Yang, Y Lei, J J Morrell, L Yan
Assessment of the quality and lifetime of wooden pile foundations
2017 - IRG/WP 17-10883
The development of wooden pile foundations started centuries ago and enable man to build and live in strategic and fertile areas. Although the building methods, the building materials and the building regulations chanced especially over the last decades, world…
R W W M Klaassen, A Jorissen, H Keijer