Index Catalog // ScholarsArchive@OSU

Reassessment of Grading Criteria with Respect to the Flexural Properties of Douglas-fir Crossarms

Creator:: Anderson, Christopher H.
Abstract:: Wood plays a key role in modern electrical infrastructure; crossarms and power poles utilize the high strength to weight ratio, availability and low cost of wood to facilitate the access of power to millions of Americans. However, wood presents a variety of challenges as a material. In structural applications, one...
Resource Type:: Masters Thesis

Application of Infrared Spectroscopy for Determination of Wood Natural Durability

Creator:: Lipeh, Shahlinney
Abstract:: Natural durability remains one of the most attractive characteristics of wood, and helps wood obtain a premium price. A worldwide shift towards the use of younger trees from intensively managed forests has created greater concerns about wood quality, especially the wood’s resistance to fungi and insects. Wood durability is assessed...
Resource Type:: Dissertation
Full Text:: . Laurence R. Schimleck for guidance, support and valuable advices during my PhD years in the Wood Science

Supercritical fluid impregnation with biocides of wood using temperature reduction

Creator:: Kang, Sung-Mo
Abstract:: Supercritical fluid (SCF) impregnation is a promising preservative treatment method, however, the development of SCF processes has been slowed by a limited understanding of the process. Developing a better understanding of the effects of various process parameters on treatment results would allow for a more rational development of SCF impregnation....
Resource Type:: Dissertation
Full Text:: (Raynie, 1997). Density Difthsivity Viscosity Surface Tension p [g . mL'] D [cm2. 'I r [g. cm1 51

Establishing a through-boring pattern and method of test for utility poles

Creator:: Elkins, Lori A.
Abstract:: The goal of this study was to optimize a through-boring pattern that will provide adequate preservative penetration while minimizing the reduction in overall pole bending strength. Hole spacing was developed using longitudinal and transverse chemical penetration data from previous studies. Finite element analysis was used as a preliminary assessment tool...
Resource Type:: Masters Thesis
Full Text:: is only moderatety durable and is notoriously difficult to treat (Morrell and Schneider 1994

Groundwater and stormwater treatment at western wood preserving facilities : an analysis of current treatment methods

Creator:: Ragan, Anita M.
Abstract:: The Pacific Northwest is blessed with an abundance of precipitation. This rainfall, however, can have important consequences for industries that must process the resulting stormwater for proper discharge. This is particularly true of wood treatment facilities. Past management practices at wood preserving facilities located in the Western United States create...
Resource Type:: Masters Thesis
Full Text:: friend, Ashley Schaaf, without whose support and continuous encouragement and focus; I could not have

The effects of supercritical CO₂ on the bending properties and treatment defects of four refractory wood species

Creator:: Anderson, Matthew E.
Abstract:: It is difficult to treat the heartwood of many wood species with liquid preservatives using conventional liquid processes. Supercritical fluids (SCF) used as carriers of preservatives to impregnate refractory wood species may be an attractive alternative to conventional liquid carriers. While SCF impregnation has many potential advantages, some wood species...
Resource Type:: Masters Thesis
Full Text:: ;....,.,,,.a.+-=:t-.1 ---.uf--71'-- ___ , __________ _ I L.-.!...L....1 T.:>fl"r.:>u T l\tf nrr~ll Robert J

Potential utilization of western juniper residues

Creator:: Sichamba, Kennedy
Abstract:: Logging and forest thinning operations generate large amounts of residues in the form of small trees, branches and foliage that are usually left on the ground to decay or are burned. These resources are readily available, but it is uneconomical to remove them from the forest. The potential utilization of...
Resource Type:: Masters Thesis
Full Text:: % juniper leaf oil and exposed to R. flavipes in an AWPA standard E1 test. 38 Table 5. Yields of essential

Effect of Hole Edge Distance on Strength of Through-Bored Utility Poles

Creator:: Romanaggi, Bennett T.
Abstract:: There are over 130 million wood poles supporting electrical transmission and distribution lines in the U.S. The vast majority of these poles are preservative treated to prolong their useful life. In some cases, however, the depth of treatment is relatively shallow, leaving a deep zone of moderately durable, untreated heartwood....
Resource Type:: Masters Thesis
Full Text:: 1993, Morrell and Schneider 1994). While there were periodic concerns about losses in flexural

Characterization of Fungal Communities in Selected Wood Species by Field Exposure Tests

Creator:: Torres-Andrade, Paola A.
Abstract:: Fungi are the primary biological agents of wood deterioration and cause major economic losses of wood products globally. Wood in outdoor applications tends to remain wet for extended time periods, making it susceptible to fungal attack. Understanding the factors involved in fungal colonization of wood is important for developing improved...
Resource Type:: Dissertation

Development of an Accelerated Method for Assessing Decay of Wood Plastic Composites (WPC's)

Creator:: Silva Guzman, Jose Antonio
Abstract:: This study examined the decay resistance of the pine and maple components of wood plastic composites (WPC' s) of varying thicknesses exposed on several culture media to wood decay fungi under laboratory conditions. The ability of malt agar extract (MEA), potato dextrose agar (PDA), amended basal salts, sawdust (maple and...
Resource Type:: Dissertation

ScholarsArchive@OSU

Reassessment of Grading Criteria with Respect to the Flexural Properties of Douglas-fir Crossarms

Application of Infrared Spectroscopy for Determination of Wood Natural Durability

Supercritical fluid impregnation with biocides of wood using temperature reduction

Establishing a through-boring pattern and method of test for utility poles

Groundwater and stormwater treatment at western wood preserving facilities : an analysis of current treatment methods

The effects of supercritical CO₂ on the bending properties and treatment defects of four refractory wood species

Potential utilization of western juniper residues

Effect of Hole Edge Distance on Strength of Through-Bored Utility Poles

Characterization of Fungal Communities in Selected Wood Species by Field Exposure Tests

Development of an Accelerated Method for Assessing Decay of Wood Plastic Composites (WPC's)

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