Your search resulted in 194 documents. Displaying 25 entries per page.
From Wet to Preserved: Collecting Data of Waterlogged Wood Treated with PEG in Lanyan Museum and Study the Effect of Molecular Weight on Dimensional Stability
2025 - IRG/WP 25-11080
…School site. This study aims to analyse the current state of conservation of waterlogged archaeological wood in Yilan County and hopes to properly alleviate the irreversible damage caused to the waterlogged archaeological wood after they leave the water layer. However, there is still a lack of…
K-L Huang, P-Y Kuo
Are we barking up the right tree? - the use of bark residues in wood protection
2025 - IRG/WP 25-20742
…and efficacy. This paper critically examines the current state of research, highlighting the need for further innovation and integration with conventional agents to fully realise the sustainable potential of bark residues in the wood protection industry.
A Treu, M Altgen, M Sipponen, M Borrega
Evaluation of moisture exclusion ability of wood using double-layer outdoor exposure tests
2025 - IRG/WP 25-41021
…effects of heartwood extractives and the moisture content state. Evaluating the moisture exclusion ability of wood is important for assessing its durability in outdoor use. We conducted previously double-layer outdoor exposure tests and investigated the relationship between moisture content over time and the…
T Osawa, R Noda, K Yamamoto
Development of an Early Degradation Diagnosis Technology for Wood Coatings Using Mid-Infrared Spectroscopy and Machine Learning
2025 - IRG/WP 25-41047
Accurately predicting the degradation state of wood coatings is challenging, and as the coating deteriorates, it becomes a major factor accelerating the degradation of the wood itself. In this study, we aimed to develop a diagnostic technology that combines mid-infrared spectroscopy and machine…
K Nishimura, T Ito, S Isaji, T Takano, H Ohki, Y Teramoto
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
…products for longer services. My talk 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
Investigating moisture dynamics and fungal decay risk: integrating X-ray CT visualization and simulation benchmarks through a Fungal Control Unit
2024 - IRG/WP 24-11045
…decay in the building envelope and how it is perceived in state-of-the-art simulation tools used in architecture to study the physics of the building envelope.
In this paper, we further build on the concept of the Fungal Control Unit, short FCU, which we first presented in 2008. The current concept is a small and…
J Van den Bulcke, J Van Acker, M Delbeke, A Blommaert, N Van Den Bossche, M Steeman, L De Ligne
Field facility for conducting wood durability tests at LSU Agricultural Center
2024 - IRG/WP 24-41012
Efforts by Louisiana State University Agricultural Center (LSU AgCenter) to conduct wood durability research on C. formosanus and other wood-related topics, have led to establishing three field research sites to test wood products against Formosan subterranean termites (New…
Q Wu, J Curole
Exploring the migration of creosote in freshwater environments: A study on treated wood immersion
2024 - IRG/WP 24-50392
…uses of these commodities complies with federal and state regulatory standards for water bodies. This study explores Polycyclic Aromatic Hydrocarbons (PAH) migration patterns from Creosote-treated Douglas fir and Pine wood in a freshwater pond setting over a 12-month period. A passive sampling method employing…
I Rashidijouybari, M Konkler, K Quigley, G Presley
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
This presentation provides a comprehensive overview of the state and trajectory of America’s forest land, drawing from the “Forest Resources of the United States, 2017” and the “Future of America’s Forests and Rangelands: Forest Service 2020 Resources Planning Act Assessment.” It describes the current…
S Oswalt
Longitudinal tensile shear properties of polyurethane-bonded preservative-impregnated Eucalyptus grandis laminates subjected to varied simulated climatic conditions
2023 - IRG/WP 23-40967
…Reconditioning the submerged laminates to the initial dry state facilitated substantial recoveries of the tensile shear strengths. The sapwood-heartwood/preservative impregnation interaction had a significant effect (p > 0.05) on the tensile modulus. The overall outcome of the study indicated that PUR-bonded…
A A Alade, C B Wessels
Evaluation of the effectiveness of soaking of high-temperature plywood in low-temperature oil-based wood
2023 - IRG/WP 23-40991
…could be achieved by soaking the specimens in a state above a certain temperature.
T Miyauchi, S Isaji, H Shibui, N Furuta, J Miyazaki, H Matusnaga
Relationships between deterioration part and structural performance in wooden houses
2023 - IRG/WP 23-50376
…only one side column of the wall is deteriorated. It is a state in which the straps for downpipe come off and moisture penetrates column from there, causing deterioration. Finally, the upper half of the wall is deteriorated. It represents a state in which water seeps into the upper part of the lower floor from the…
Y Ota, H Ishiyama, S Okamoto
Improving American Hardwoods Sustainability, Durability and Markets
2023 - IRG/WP 23-50378
…hardwood resource is mainly located in the eastern United States, from Maine in the North to the Gulf of Mexico in the South and westwards to the Mississippi Valley. The USA has more temperate hardwood species than any other world region. Few other countries can boast of America's success in the sustainability of…
D Brooks, M Snow
Changes in topochemistry and mechanical properties of Beech (Fagus orientalis L.) by natural fungus infestation
2022 - IRG/WP 22-10986
…highly susceptible to fungal attack both in the fresh state and during the storage. Understanding the alteration in chemical and mechanical properties of beech wood during the initial degradation state can lead to improved raw material utilization. Therefore, UV-microspectrophotometer (UMSP) and High-Performance…
H Sivrikaya, M Rehbein, F Divos, S Adamopoulos, R Hosseinpourpia
Introduction to the project ‘Deterioration and decay of wooden cultural heritage in Arctic and Alpine environments’ (ArcticAlpineDecay)
2022 - IRG/WP 22-10997
…ArcticAlpineDecay. The project ArcticAlpineDecay will use state-of-the-art methods within different areas of expertise, and the novelty of the newly started project is the expected synergy of combining information from different methodologies. We also expect synergy with two ongoing Norwegian projects, CULTCOAST and…
G Alfredsen, L Ross, A W Hegnes, M S Austigard, J Mattsson, N B Pedersen, A Sinitsyn, V V Martens, A-C Flyen
Application of an Ultrasound-based Instrument to Evaluate Condition of Drywood Termite Infested Timber Components
2022 - IRG/WP 22-11000
…MOR. SylvatestDuo was utilized to evaluate the current state of the wooden component through ultrasound wave propagation means. The wave propagation features (time-of-flight and velocity) were then translated to reconstruct residual wooden component condition via three-dimensional model. The study showed that…
S Fauziyyah, L Karlinasari, D Nandika, R Wimmer
Significance of the thermal design and the sorption isotherm shape in hygroscopic wood moisture dynamics and service life
2022 - IRG/WP 22-20682
Moisture dynamics are considered important for predicting the service performance of wood in exterior applications. Above a critical moisture content, water acts a softener on the structural polymer matrix of the wood cell wall, enabling the necessary diffusio…
W Willems
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
…than Matisia Cordata wood, either in its natural state or thermally treated at 180 °C.
K Ayala Castro, A Loayza Argüelles, V J Pilco Mamani
The influence of climate changes on Central European forests with an emphasis on Slovenia
2022 - IRG/WP 22-50368
…This paper aims to highlight up-to-date facts about the state of forests in Europe, forests and forestry in Slovenia, the importance of sustainable forest management for forest-based climate change mitigation and adaptation, the role of forest genetic resources and provision of tree seeds and seedlings for…
J Gričar, L Krajnc, M Westergren, S Rus, H Kraigher
Studying amount, location and state of water in modified wood at moisture levels relevant for fungal degradation
2020 - IRG/WP 20-40889
…only about amount of water, but also about location and state of water in untreated and modified wood. Further use of such combination of techniques has potential to give valuable pieces of information on the role of water in degradation processes for untreated as well as modified wood.
M Fredriksson, E Engelund Thybring, Ramunas Digaitis
Monitoring uptake and penetration of pesticides during impregnation of pine (Pinus sylvestris) and spruce (Picea abies) wood with bio-based microemulsion gel formulations
2020 - IRG/WP 20-30756
Even in dry state wood is susceptible to biological degradation. Preservation against biological decay in exposed conditions is conventionally achieved by impregnating the wood with pesticides applied at professional and industrial levels. Impregnation of wood with…
D Messaoudi, K Ruel, J-P Joseleau
Using X-ray micro-CT to evaluate density loss in anobiid infested wood
2019 - IRG/WP 19-10956
…to enable better assessment of material degradation state as a function of lost material percentage/loss of density. The results showed a high correlation (r2 = 0.85) between RTD and LM% and a medium correlation (r2 = 0.60) between OTD and LM%. The various steps required during the µ-XCT study from the…
J L Parracha, M F Pereira, A Maurício, P Faria, L Nunes
Validation by micro-computed tomography of an assessment method to measure the residual strength of anobiids infested timber
2019 - IRG/WP 19-20650
…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 original apparent density and lost…
J L Parracha, M F Pereira, A Maurício, P Faria, L Nunes
Study on Nailed Joint with Iron Contamination. Part2: Elucidation of the Occurrence Condition of Iron Contamination
2019 - IRG/WP 19-50350
…contamination spreads up to the top 10 mm of the nail. The state of the nail after driving the nail into the occurrence of iron contamination does not affect. However, iron contamination did not appear on the surface of the nail implanted deeply into the plywood.
D Nakano, R Nakano, H Ishiyama
Chemical Analysis of Southern Pine Pole Stubs Sixty Months Following Treatment with a Methylisothiocyanate-Based Solid Fumigant Stick
2019 - IRG/WP 19-30740
…fumigants have been commercially used in the United States for over 35 years to control internal decay in utility poles and other wooden structures with little technological advancement. The most recently commercialized methylisothiocyanate-based fumigant is chemically known as dazomet. Dazomet is a…
D J Herdman, T Pope, R R Browning