Your search resulted in 1499 documents. Displaying 25 entries per page.
Decay potential of various New Zealand Phlebiopsis gigantea strains using a soil block method
1999 - IRG/WP 99-10309
…radiata and European Fagus sylvatica, respectively. A soil block method was used to determine mass weight loss of P. radiata and F. sylvatica following 10 weeks incubation with different strains of P. gigantea. For comparison, Trametes versicolor, Postia placenta, Gloeophyllum trabeum, Poria vaillantii and…
B Kreber, J G Van der Waals
Biological resistance of wood treated with waterbased resins and drying oils in a mini-block test
1998 - IRG/WP 98-40107
…were assessed for their biological performance in a mini-block laboratory test. Although drying-oils, like linseed-oil, are often used as a binder in paints, little information is available about the resistance of wood impregnated with these oils against wood destroying basidiomycetes. The fungi used in this test…
M Sailer, A O Rapp, R-D Peek
Initial microbial colonisation of CCA-treated, creosote-treated and untreated Pinus sylvestris L. blocks in seawater
1996 - IRG/WP 96-10171
…creosote-treated and untreated Pinus sylvestris sample blocks were immersed in a seawater through-flow system for periods of between 1 and 265 hours. Samples were fixed immediately on removal and examined both qualitatively and quantitatively using the scanning electron microscope. This study of primary microbial…
K Sturgess, A J Pitman
The proposal for optimalization of the agar-block method for wood preservatives fungitoxic evaluation
1995 - IRG/WP 95-20065
…scientists results the proposal for optimalization of agar-block method was presented by:
- selection of test fungal species and strains and central distribution of their pure cultures,
- change of the treatment and control samples exposure procedure,
- application of mathematical estimation of toxic value…
J Wazny
Comparison of the agar-block and soil-block methods used for evaluation of fungitoxic value of QAC and CCA wood preservatives
1994 - IRG/WP 94-20039
The modyfied agar-block and soil-block methods were used for comparing the fungitoxic value of QAC and CCA type preservatives against Coniophora puteana and Coniophora olivacea The mass loss and moisture contents of wood were analysed.
J Wazny, L J Cookson
Effectiveness of Busan 30 treated birch blocks in a soil medium
1987 - IRG/WP 3409
TCMTB based formulation has been anticipated for use in dip-diffusion treatment in Papua New Guinea to replace BFCA Wood preservative. One such formulation is the Penacide (TCMTB + MBT Boron) which is currently being tested against fungi and insects. Accelerat…
H C Konabe
Variance in feeding on equivalent wood blocks by the Formosan subterranean termite (Coptotermes formosanus Shiraki)
1987 - IRG/WP 1325
…forage randomly when they are given 4 equivalent wood blocks, and whether group size affects variance of feeding on equivalent blocks. In all cases, foraging was not random, but, rather, the termites concentrated on a few preferred blocks. Group size did not affect this pattern of non-randomness. These data are…
J P La Fage, K S Delaplane
A laboratory soil-block decay evaluation of plywoods edge-treated with preservatives
1982 - IRG/WP 2174
Preservative-treated plywood used under conditions or severe decay hazard frequently has its original, or cut edges, protected by the application of a field-cut preservative. This study uses a laboratory test method to compare the efficacy of four commercial p…
R S Smith, A Byrne
Effect of sterilization method on germination of spores of wood decay fungi observed by contact agar block method
1978 - IRG/WP 2117
Previous studies of germination of spores of wood decay fungi on wood have generally concluded that method of wood sterilization has little significant effect on germination response. This study expands the numbers of test fungi as well as number of sterilizat…
E L Schmidt, D W French
Development of a boron/polymer based new wood preservative
2025 - IRG/WP 25-20752
…designed for boron removal from water. Laboratory tests have demonstrated that this new preservative is as effective as CCA and Cu-Azole in E-10 soil block tests. Ongoing aging tests in Hilo, Hawaii, USA, aim to evaluate the preservative's effectiveness under real-world conditions.
O Arroyo Fernandez, S Adab, L Gastonguay
Bio-durability and weathering performances of cardanol-treated wood
2024 - IRG/WP 24-30809
…cardanol, and the mass gain without and with leaching tests was measured. Then the cardanol-treated wood samples were subjected to AWPA E10 soil block test and artificial weathering test. It was found that the mass gain of solid cardanol-treated pine (83.8 ± 2.6% and 81.5 ± 2.6% for samples without and with…
L Liang, McDonald, A G, L Cai
Combining MRI and X-ray CT to monitor fungal decay of plywood and OSB in a lab test
2022 - IRG/WP 22-20683
…durability data is available for solid wood, the standard tests, mainly measuring the mass loss caused by decay fungi after sixteen weeks, do not offer much information on what is going on inside the wood during degradation. Notwithstanding that standard tests are excellent for testing the durability of a certain…
L De Ligne, T Núñez Guitar, C Vanhove, J Van Acker, J Van den Bulcke
Impregnation of wood with antifungal compounds from low-quality tree biomass
2022 - IRG/WP 22-30763
…impregnated wood was measured with a so-called mini-block test (modified EN 113). Wood of less durable conifers and deciduous tree species was impregnated in a vacuum-pressure chamber, whereat water solutions of the hydrophilic extracts were used. After impregnation, the retention of extracts in the wood…
V Vek, I Poljanšek, A Balzano, M Humar, P Oven
The role of specimen format in wood durability testing
2020 - IRG/WP 20-20672
…mass loss by fungal decay (MLF) in laboratory durability tests and therefore being decisive for the resulting durability classification. Among others, the dimension of the wood specimen and the time of incubation impact on fungal decay. Hence both parameters were examined within this study systematically using 19…
C Brischke, L K Grünwald, S Bollmus
Exploring the use of X-ray micro CT as a tool for the monitoring of moisture production and mass loss during lab-based fungal degradation testing
2019 - IRG/WP 19-20654
…durability data is available for solid wood, the standard tests, mainly measuring the mass loss caused by decay fungi after sixteen weeks, do not offer much information on what is going on inside the wood during degradation. Notwithstanding that standard tests are excellent for testing the durability of a certain…
L De Ligne, J Van den Bulcke, A De Muynck, J M Baetens, B De Baets, L Van Hoorebeke, J Van Acker
Adhesion durability of the thinnest CLT in Japan treated by solvent recovery system
2019 - IRG/WP 19-40882
…for long-term durability. The adhesion durability tests were conducted in accordance with the Japanese Agricultural Standard (JAS) of Cross-Laminated-Timber (2013), and the peeling tests and the block shear tests were performed. As a result, the AZN treated CLT retained sufficient adhesion durability.
K Kawakami, W Ohmura
Long-term performance of DMDHEU-treated wood exposed in ground, above ground and in the marine environment
2018 - IRG/WP 18-40825
…DMDHEU modified wood exposed above-ground (UC3, rail test, block test, deckings), in-ground (UC4) and in the marine environment (UC5). The aim of this study was to evaluate results from more than 7 years field testing with respect to the DMDHEU treatment level, wood species (Scots pine, European beech, Spotted Gum…
L Emmerich, H Militz, C Brischke
Laboratory test to determine the effect on durability of combining biobased building materials with timber in construction
2017 - IRG/WP 17-20604
…wool or straw. Traditional laboratory based wood decay tests do not take into account this combination of biobased materials and it may be possible that non wood materials such as plant or animal fibre insulation could influence the durability of adjacent wood elements by synergistic mechanisms. One method may…
S F Curling, G A Ormondroyd
Decay resistance variability of European wood species thermally modified by industrial process
2017 - IRG/WP 17-40807
…wood species: spruce, ash, beech and poplar. All of the tests concerning the decay resistance were carried out in the laboratory using untreated beech and pine woods as reference materials. An agar block test was used to determine the resistance of thermally modified woods, leached beforehand according to EN 84…
K Candelier, L Pignolet, S Lotte, A Guyot, E Cuny, B Bousseau, M-F Thévenon
Resistance of heat treated Ash wood under steam pressure: rot fungi, soil micro-organisms and termites
2016 - IRG/WP 16-40724
…brown/white rots and termite’s exposures. All of the tests were carried out in the laboratory with two different complementary research materials. The main research material consisted of Ash (Fraxinus excelsior L.) wood thermally modified at temperatures of 170ºC, 200ºC, 215ºC and 230ºC. The reference…
K Candelier, S Hannouz, M-F Thévenon, D Guibal, P Gérardin, M Pétrissans, R Collet
Durability of Thermally Modified Engineered Wood Products
2016 - IRG/WP 16-40745
…180°C. All specimens were subjected to laboratory soil block durability tests according to American Wood Protection Association (AWPA) E10-12 utilizing G. trabeum (brown rot) and T. versicolor (white rot) fungi.
H M Barnes, M D Aro, A Rowlen
Factors Affecting Performance of Preserved Wood Decking Against Decay Fungi
2015 - IRG/WP 15-30663
…within the wood. Toxic thresholds determined by soil block decay testing are higher than currently standardized retentions for the major systems currently used to treat decking in the United States. Improved data are needed to determine toxic thresholds from tests on shell-treated material exposed to realistic…
R Stirling, P I Morris
Tall oil – performance after a decade of field exposure
2015 - IRG/WP 15-30672
…different tall oils in three different above ground field tests (mini stakes, block test and horizontal double layer - nine years exposure) and two in ground exposure trials (mini stakes and EN 252 – ten years exposure). The results show that for retentions of tall oils at 200-250 kg/m3 the treatment did to some…
G Alfredsen, P-O Flæte
Effect of biodiesel on Performance of Isothiazolone
2013 - IRG/WP 13-30625
…to assess the effects of biodiesel on each biocide. Soil block tests were performed on southern pine blocks treated with varying retentions of 4,5-dicholoro-2-n-octyl-4-isothiazolin-3-one (DCOI) with or without soy-based biodiesel. The presence of biodiesel had no consistent negative effect on the performance of…
Cheng Hua-Kang, L Jin, C Freitag, J J Morrell
Relevance of natural pre-weathering for laboratory decay tests with native, modified, and preservative-treated wood
2013 - IRG/WP 13-20522
…wood protection systems is hampered by the long term field tests currently in use. New accelerated test methods and novel methods for faster and more accurate evaluation of wood protection methods are requested. For both field decay tests and accelerated laboratory decay tests, limitations are imposed. This study is…
A Pilgård, C Brischke, L Meyer