Your search resulted in 528 documents. Displaying 25 entries per page.
On the use of miniaturized wood specimens in fungal decay experiments – mini-blocks versus EN 113 test specimens
2024 - IRG/WP 24-11044
Preliminary evaluation and classification of wood durability against decay fungi using laboratory monoculture experiments has been a longstanding practice because these tests offer quicker results than field tests. Various methods, including miniaturized specimen formats…
C Brischke, G Alfredsen
Enhancing UV resistance and decay resistance of wood by nanoparticle dispersed linseed oil nanoemulsion
2024 - IRG/WP 24-20706
…and nano-CuO were installed in the termite test site for evaluation of termite resistance following standard methodology (IS 4833:1993). Preliminary results (6 months exposure) indicated that nano-ZnO and nano-CuO treated specimens provided good termite resistance compared to untreated wood.
This study highlights…
R Bansal, R Kumar, K K Pandey
Evaluation of the water exclusion ability and inherent bioactivity of heartwood against decay in Japanese and European wood species via above-ground exposure and water absorption tests
2024 - IRG/WP 24-40998
The natural durability of wood has been thought to mainly depend on bioactive extractives and the water exclusion ability. To clarify the contribution of each factor to wood durability, above-ground exposure tests were conducted on Japanese and European wood s…
T Osawa, R Noda, K Yamamoto
Evaluation of vacuum borate treated spruce or pine CLT in an above ground protected test in southern Mississippi
2024 - IRG/WP 24-41001
…As this is the first year of a long-term test, further evaluations will continue.
M E Mankowski, A Taylor, G T Kirker
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
Performance of Douglas-fir cross laminated timber (CLT) subjected to elevated humidity in a ground proximity field test for 6 years
2024 - IRG/WP 24-41010
…The results provide critical baseline data for field evaluation methods of mass timber in areas with high subterranean termite and decay pressure.
M E Mankowski, J J Morrell, T G Shelton, G T Kirker
Field facility for conducting wood durability tests at LSU Agricultural Center
2024 - IRG/WP 24-41012
…La).
Testing currently conducted at these sites include evaluation of the effects of testing methodologies and procedures using both within- and between-colony replications, in-ground tests to evaluate preservatives (stake tests) or termite baits, test structures, above-ground preservative comparative tests and/or…
Q Wu, J Curole
Durability of Malaysian plybamboo to mold
2024 - IRG/WP 24-41014
…brasiliensis for 4-week following the ASTM D4445 standard. Evaluation via visual rating was conducted weekly to monitor the mold growth on the samples. Results showed that semantan plybamboo performed slighlty better than beting plybamboo, especially those mixed with UF and MUF resin. Future application will require…
S Lipeh, A Mustapha, A S Yusoh, M K A Uyup
Natural durability of 9 tropical species suitable for round wood timber building: fungi and termites laboratory screening tests
2023 - IRG/WP 23-11013
…from European standards.
Following their performance evaluation, only two species are classified as durable against both fungi and termites: Licania alba and Pouteria bangii, meaning they can be used without treatment as building material under tropical or temperate climate. Other species result durable but…
M Leroy, K Candelier, J Damay, J Bossu, R Lehnebach, M-F Thevenon, J Beauchene, B Clair
Mini-stakes – an alternative test method for EN 252?
2023 - IRG/WP 23-20691
…evaluated based on variety of tests, including penetration evaluation, leaching studies as well as decay tests. EN 252 standard test is a core method for wood durability evaluation in a ground contact, both for commercial product approval and scientific research. In different climates, treated wood is tested being…
R Digaitis, P Larsson Brelid, N Terziev, M Klamer, A W Christof, J Stenaek, N Morsing
Laboratory durability testing of preservative treated wood products – first attempts and observations
2023 - IRG/WP 23-20697
…Compared to mass loss measurements, the quantitative evaluation of decayed areas on the specimen sections was more laborious and time-consuming. Mass loss measurements on the specimens were not possible, but information about infestation pathways and decay patterns were extracted from the measurements. While…
C Brischke, M Sievert, M Schilling, S Bollmus
Performance of treated Malaysian semantang bamboo (Gigantochloa scortechinii) - field and laboratory durability evaluation
2023 - IRG/WP 23-30788
…the Malaysian tropical climate, along with laboratory evaluation to white-rot fungi and mold. Starch was removed from the bamboo by submerging the bamboo in the river for 6-8 weeks, kiln-dried and cut to 300 mm (L) round bamboo and 25 mm (W) x 50 mm (L) stripe for the field and laboratory test respectively.…
S Lipeh, T Khadiran, Z Jalaludin, M K Anwar U
Evaluation of the efficacy of silver nanoparticles and chitosan oligomer composites as poplar wood protective treatments against termites
2023 - IRG/WP 23-40963
Populus × euramericana ‘I-214’ (poplar) is a fast-growing species widely distributed throughout the world, and in the Castile-Leon region of Spain it accounts for more than 50% of all plantations. Its wood is becoming increasingly appreciated, yet its low…
E Spavento, M T Troya, M Casado-Sanz, J Martín-Gil, P Matín-Ramos, L Robertson, L Acuña-Rello
Adhesion and performance of exterior wood coatings on chemically and thermally modified wood – Results from 5.5 years outdoor exposure
2023 - IRG/WP 23-40964
…for 5.5 years according to EN 927-3 (2020). By frequent evaluations, the impact of chemical modifications and combined thermo-chemical modifications on the moisture dynamics and crack sensitivity of solid wood boards was assessed, further the aspect how such modifications impact on the paint adhesion and…
L Emmerich, H Militz
Resistance of phenol formaldehyde impregnated beech (Fagus sylvativa L.) LVL against biodegradation in soil contact
2023 - IRG/WP 23-40965
…classes (DC) were determined based on the decay rates. The evaluation showed that very durable products for in ground contact can be produced from beech wood, but durability clearly depended on the resin type and loading.
M Slabohm, C Brischke, S Bicke, H Militz
Evaluation of the effectiveness of soaking of high-temperature plywood in low-temperature oil-based wood
2023 - IRG/WP 23-40991
We conducted a preliminary investigation to determine if soaking high-temperature plywood in a low-temperature preservative solution could achieve deeper penetration of the preservative, even in plywood made with refractory wood species such as Japanese larch.…
T Miyauchi, S Isaji, H Shibui, N Furuta, J Miyazaki, H Matusnaga
Manipulation of the hierarchical wood structure for extended carbon storage in the built environment
2023 - IRG/WP 23-50381
…and carbonization.
Natural wood is usually subjected to crack, decade, aging, and dimensional instability, which leads to reduced service time resulting in returning carbon to the atmosphere. In recent years, many efforts have been dedicated to exploring functional wood materials for the extension of service life…
T Singh, A Arpanaei, D Elustondo, Q Fu
Results of the resistance of acetylated wood against marine borers at three Italian sites after five years of sea immersion
2022 - IRG/WP 22-10994
…a private harbour, Genoa port and Venice Lagoon. Final evaluation in 2021 showed a great resistance to marine borers of acetylated wood and MDF panels. Nevertheless, the non-treated European species showed and pine radiata, against marine organisms, a low resistance with a completely decay after the first year of…
S Palanti, F Stefani, M Andrenacci, M Faimali, I Guarneri, M Sigovini, D Tagliapietra
Protection of Venetian pilings from marine borers
2022 - IRG/WP 22-10995
…and unprotected.
Environmental compatibility implies the evaluation of "parameters" which act at hierarchically different levels. The ecotoxicity and durability, evaluated in the tests, are applicable to two different aspects of environmental compatibility.
Ecotoxicological assessment and risk analysis must…
D Tagliapietra
Evaluation of weathering and termite resistance of the Myoung-oil as a Korean traditional coating agent
2022 - IRG/WP 22-10996
This study investigated the applicability of Myoung-oil (MO) as an eco-friendly preservative of Korean wooden cultural properties and buildings. Wood test specimens painted with various concentrations of MO were exposed in the external environment. Then color…
S-M Yoon, Y Park, W-S Jeon, H-M Lee, J-G Park, K Dal Nam, W-J Hwang
Evaluation of ecotoxicological effects of different coniferous wood treatments on two marine bioindicator species
2022 - IRG/WP 22-10999
…acetylcholinesterase activity determination. For the evaluation of possible genotoxic effects in mussels, presence of micronucleus in hemocytes was evaluated, while physiological responses in mussels and behavioral endpoint in snails were evaluated with survival in air test and flipping test, respectively. CuII…
T Marčeta, N Nesto, I Guarneri, D Tagliapietra, V Moschino
Application of an Ultrasound-based Instrument to Evaluate Condition of Drywood Termite Infested Timber Components
2022 - IRG/WP 22-11000
The characteristics of ultrasound waves propagation from non-destructive ultrasound-based instrument on drywood termite infested wooden components were investigated. Features of wave propagation such as time-of-flight, velocity, and peak energy on three orthog…
S Fauziyyah, L Karlinasari, D Nandika, R Wimmer
Evaluation of Decay Resistance of Copper-based Preservatives Treated-Wood exposed to different field test sites in Korea
2022 - IRG/WP 22-20679
…period of time. It is also expected that continuous evaluation and monitoring of the wood in the test sites would enable us to estimate the longevity of treated wood with various retentions.
W-J Hwang, S-M Yoon, Y Park, Y-S Choi, H-M Lee, J-W Kim
A new approach to wood protection: Potential of biologically synthesised CuO and ZnO nanoparticle formulation as a wood preservative
2022 - IRG/WP 22-30758
…borer (Lyctus africanus Lesne).
After one year of field evaluation, it was observed that control stakes were destroyed completely as an indication of active termite infestation. Formulation of P. hysterophorus leaf extract and CuO nanoparticles protected the treated rubberwood specimens from termite attack for a…
Shiny K S, R Sundararaj, N Mamatha
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 cri…
K Ayala Castro, A Loayza Argüelles, V J Pilco Mamani