Your search resulted in 2668 documents. Displaying 25 entries per page.
Stress wave and visual analysis of treated and non treated fence posts after 15 years in field test
2010 - IRG/WP 10-20449
…Field tests are conducted to simulate final use of woods under different environmental conditions. Visual analysis, non destructive testing, and non destructive evaluation techniques were applied to assess wood resistance and chemical preservative efficiency. In Brazil visual analysis is frequently applied…
A Florian da Costa, R Faustino Teles, J Costa Gonçalves
Microbial Community Analysis Using Terminal Restriction Fragment Length Polymorphism (T-RFLP) Analysis: Field Study Results
2008 - IRG/WP 08-20377
The effects of chlorothalonil (CTN) and butylated hydroxytoluene (BHT) on the fungal community in southern yellow pine (SYP) were assessed using terminal restriction fragment length polymorphism (T-RFLP) analysis. Field stakes treated with 0.25% and 0.37% ammoniacal…
G T Kirker, S V Diehl, M L Prewitt, W J Diehl
Evaluating the Process of ACQ-Treated Woods with TGAand CEM Analysis
2007 - IRG/WP 07-20374
To provide an understanding of the fundamental thermal behaviour and the disposal-end products of ACQ-treated woods, this study is comprised of two categories of examination. The first is related to the use of TGA under different thermal decomposition conditions (nitrogen or air, and 5…
Han Chien Lin, Tsang-Chyi Shiah, Jung Ting Tsai
Chemical Analysis of Southern Pine Pole Stubs Thirty-Nine Months Following Treatment with Three Methylisothiocyanate-Based Fumigants
2004 - IRG/WP 04-30349
…decay in utility poles and other wooden structures. Of the four fumigants which are currently used in the remedial treatment of utility poles, three are based on methylisothiocyanate (MITC) as being the principal fungitoxic component. Two of these MITC-based fumigants, liquid metham sodium and granular…
R J Ziobro, J Fomenko, D J Herdman, J Guzzetta, T Pope
Finite element analysis of boron diffusion in wooden poles
2003 - IRG/WP 03-40263
The problem of describing the migration of dissolved boron in wood is treated with special reference to the commonly used remedial treatment of wooden poles. The governing equations are derived and discussed together with some of the material parameters required. The…
K Krabbenhøft, P Hoffmeyer, C G Bechgaard, L Damkilde
Analysis of D-glucose metabolism of wood decay fungi using 13C-NMR and 13C-labeled substrates
2003 - IRG/WP 03-10475
…by fungi, not only for anabolic and catabolic purposes of central metabolism, but also as a potential source of peroxide required by extracellular peroxidases. There has been some confusion in the literature as to whether this peroxide-generating activity is of the glucose 1-oxidase or pyranose 2-oxidase…
T H de Koker, M D Mozuch, P J Kersten
Chemical Analysis of Southern Pine Pole Stubs Thirteen Months Following Treatment with Three Methylisothiocyanate Based Commercial Fumigants
2002 - IRG/WP 02-30294
…decay in utility poles and other wooden structures. Of the four fumigants which are currently used in the remedial treatment of utility poles, three are based on methylisothiocyanate (MITC) as being the principal fungitoxic component. Two of these MITC based fumigants, liquid metham sodium and granular…
R J Ziobro, T C Anderson, D J Herdman, J Guzzetta, T Pope
Analysis of degradation observed on ancient wooden objects buried underground
2001 - IRG/WP 01-10403
…wooden objects were sometimes excavated from the moat of mounded tombs in Japan. Such wooden objects were in the shape of a sunshade, bird, shield, pole, yugi(a bag that holds arrows) among others. Archaeologists discussed the usage of such shaped objects, but no one could clearly explain their use. Some objects…
H Sakai
Chemical analysis of TnBTO in lap-joints
1999 - IRG/WP 99-20173
This research was performed as part of the EU project FACT (contract SMT4-CT96-2135) on field tests out of ground contact and ageing methods. The results reported here are part of the work on the experimental lap-joint standard (ENV 12037). TNO investigated the TBTO content of 32 lap-joints by…
A Voss, P Esser, W L D Suitela
Comparative environmental impact analysis of telecommunication utility poles: Treated wood and fibreglass
1999 - IRG/WP 99-50136
…necessary to assess the main environmental implications of different materials utilised in construction of utility poles. The study was performed on fibreglass and CCA treated poles timber. The work has been carried out by identifying and quantifying energy and materials used and wasted released during the entire…
A Cugliandolo, M Onofrio, A Quaglino
Preliminary PIXE micro-analysis of copper-chrome-arsenic preservative treated Malaysian hardwoods
1999 - IRG/WP 99-20169
…was applied for examining the macro-distribution and micro-analysis of copper-chrome-arsenic (CCA) preservative in Malaysian hardwoods Koompassia malaccensis, K. excelsa, Alstonia spp. and Dipterocarpus spp., and one temperate pinewood Pinus sylvestris, where the preservative retention differed between these wood…
A H H Wong, R B Pearce, G W Grime, F Watt
Chemical analysis of wood waste - The problem of sampling
1999 - IRG/WP 99-20168
A quantitative analysis of the content of active substances in wood is often demanded in quality control after processing and for the proper waste management. As a measure for quality control, analysis has the advantage that the type of preservative is known and assumptions…
A Peylo, R-D Peek
Multifactorial analysis of the reasons behind wood natural durability
2025 - IRG/WP 25-11065
Physical, chemical and biological properties of several wood species were investigated in order to highlight the main factors involved in wood natural durability and wood characteristic using a principal component analysis. Interaction of wood with water were evaluated using contact angle measurements…
L-F E Nkogo, M S M Mouendou, S Dumarçay, P E Engonga, F Zannini, E Gelhaye, P Gérardin
Durability Analysis of Bio-based Phenol-Formaldehyde Resin-Treated Wood
2025 - IRG/WP 25-20753
The aim of this study is to explore the application of bio-based materials in outdoor construction. Enhancing the durability of wood products effectively extends their carbon storage lifespan, making it essential to investigate their long-term durability. The study…
T-H Lin, P-Y Kuo
Determination procedure for wood preservatives in waste wood - statistics of sampling and analysis
1998 - IRG/WP 98-50121
…in waste wood. For this investigation a realistic quantity of waste wood from house demolition was used and 80 components analysed. The examination of single wood pieces and woodchips prepared therefore showed a good correlation with the retention of wood preservatives. For the estimation of the potential…
P Stolz, J Krooss, U Thurmarm, R-D Peek, H Giese
Improved preservative penetration of spruce after pre-treatment with selected fungi. II. Creosote treatment, analysis and strength testing
1998 - IRG/WP 98-40106
This paper describes the creosote treatment and analysis of logs pre-treated with selected fungal agents as a method of increasing the porosity of the wood prior to preservative treatment. The paper also reports the subsequent strength testing of the timber to evaluate the effects of the fungal…
E J Tucker, A Bruce, H J Staines, B Rosner, K Messner
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
Changes in decay risk of wood in ground contact over Europe, from analysis of historic climate conditions
2024 - IRG/WP 24-41008
…able to identify locations that have an increased risk of fungal decay for wood in ground contact can help to inform industries that are reliant on wooden components to respond in order to maintain the desired service life of their infrastructure. Soil temperature and moisture data from ERA5-Land were used in a…
P B van Niekerk, B N Marais, G Alfredsen, C Brischke
Oxygen index levels and thermal analysis of wood treated with melamine-formaldehyde-boron combinations
1997 - IRG/WP 97-30135
…(Pinus sylvestris L.) specimens with aqueous solutions of 5, 10 and 20% concs. Boric acid (BA) and borax (BX) was added to MF resin at the concentration levels of 0.25, 1.00 and 4.70% to each level of resin concs. BA and BX mixture was prepared at the 5:1 (w/w) ratio considering resultant pH of solutions and…
M K Yalinkilic, W-Y Su, Z Demirci, E Baysal, M Takahashi, S Ishihara
A preliminary comparison of GC, HPLC and ELISA analysis of resin acids in pulp mill effluents
1997 - IRG/WP 97-20120
…diterpenoid carboxylic acids present in most Canadian softwoods. There are eight common resin acids that are classified into two groups; the abietanes and the pimaranes. During processing of wood products they can be released into the environment where they are of concern because of their acute toxicity toward…
A N Serreqi, K Stark, Xiumei Feng, J N Saddler, C Breuil
Metabolite analysis of fungal COS degradation and phylogenetic investigation of COSase genes
2023 - IRG/WP 23-11018
…microbial deterioration that reduces the commercial value of wood, such as wood decay and surface contamination, so it is important to accumulate knowledge on the physiology of fungi in order to develop countermeasures against these problems. Most physiological studies of fungi that have been reported have concerned…
R Iizuka, S Hattori, I Ohtsu, D Hibbett, Y Katayama, M Yoshida
Simulations of microclimates for wood-decaying fungi in the built environment using environmental analysis
2023 - IRG/WP 23-20703
Simulations of fungal decay risk were run on two similar building geometries exposed to typical annual climate conditions of two different geographical locations, Brunswick (Germany) and Cairns (Australia). The simulations were conducted to capture the effect of…
P B van Niekerk, J Niklewski, S H Hosseini, B N Marais, I Frimannslund, T Kringlebotn Thiis, C Brischke
Discrimination of five commercial wood preservatives by handheld near-infrared spectrometers and Multivariate Data Analysis
2022 - IRG/WP 22-20686
Nowadays, the recycling potential of wood waste is still limited, because of a lack of reliable lack of a reliable and fast device allowing the discrimination of preservative-treated wood that contains organic or/and inorganic contaminants. The purpose of this study was to set up a…
M Rubini, P Dulucq, B Charrier
Life cycle analysis of utility poles. A Swiss case study
1995 - IRG/WP 95-50040-05
Use of preservative-treated wood products faces increasing public and political pressure because of environmental concerns regarding the chemicals used to protect the wood. However, critics usually focus only on one single aspect of the whole life cycle of…
T Künniger, K Richter
The applicability of life cyle analysis and alternative methods in the wood preservation industry
1994 - IRG/WP 94-50023
…case studies have been performed using the life cycle analysis method (LCA). This type of research is aimed at an inventory and classification (sometimes including also evaluation) of the environmental impacts of a product, from the raw material to waste stage ("cradle to grave" approach). In a LCA each…
P Esser, J Cramer