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Model and procedure for determination of strength and stiffness of wood studs

Creator:: Fernandez, Virgilio Asuncion
Abstract:: Elasticity properties of wood studs are essential inputs for the structural analysis of wood-stud wall systems. A theoretical procedure was developed to determine the probability distributions for the deflection-load relations of stud samples. The procedure is based on the finite element analysis and a Monte- Carlo type simulation and accounts...
Resource Type:: Dissertation
Full Text:: AND PROCEDURE FOR DETERMINATION OF STRENGTH AND STIFFNESS OF WOOD $TUDS Abstract approved

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

Creator:: Przybylowicz, Paul
Abstract:: Influence of temperature and wood moisture content on spore germination and colonization of Douglas-fir (Pseudotsuga jnenziesii) heartwood by Poria carbonica basidiospores and chlamydospores was studied. Both spore types germinated and colonized wood at moisture contents above the fiber saturation point, but not below. Germination and wood colonization occurred at 22°C...
Resource Type:: Dissertation
Full Text:: germination (Chapter 1), and may allow more realistic, rapid testing of new chemicals to prevent wood

The degradation of kraft pulping wastes in estuarine waters

Creator:: O'Neal, Gary Lewis, 1938-
Abstract:: The degradation of kraft pulping wastes in estuarine waters was measured in terms of the following parameters: five-day 20°C B.O.D., the Pearl-Benson Index, and toxicity to the bay mussel (Mytilus edulis L.). The waste tested was the total effluent from a combined pulp and paper mill producing 430 tons of...
Resource Type:: Dissertation
Full Text:: produced by industries based upon the utilization of wood. As a re- sult of these activities, it has

The stress-strain relationships in wood and fiber-reinforced plastic laminae of reinforced glued-laminated wood beams

Creator:: Tingley, Dan A., (Daniel Arthur), 1954-
Abstract:: The reinforcement of wood and wood composite structural products to improve their mechanical properties has been in practice for many years. Recently, the use of high-strength fiber-reinforced plastic (FRP) as a reinforcement in such applications has been commercialized. The reinforcement is manufactured using a standard pultrusion process or alternatively a...
Resource Type:: Dissertation

Image segmentation for defect detection on veneer surfaces

Creator:: Zhong, Yuan, 1956-
Abstract:: Machine vision is widely used in scientific areas and non-wood using industries, but the extreme variability of wood has limited its adoption by forest products industries. However, it is now becoming a key factor in further automation of the forest products industry. As a very important part of machine vision,...
Resource Type:: Dissertation
Full Text:: non-wood using industries, but the extreme variability of wood has limited its adoption by forest

Effect of vertical compressive stress on shear strength of wood beams

Creator:: Mandery, William Lee
Resource Type:: Dissertation
Full Text:: testing fixtures and four different pieces of wood. Statistical methods (5) were used for comparing the

Wood-adhesive bondline analyses with micro x-ray computed tomography

Creator:: Paris, Jesse Loren
Abstract:: There is no doubt that adhesive penetration plays an important role in wood bondline joint performance and durability; yet, to date there is no direct experimental evidence linking penetration depth with bond performance. This is, in part, because adhesive penetration is commonly assessed with various 2D microscopy techniques that are...
Resource Type:: Dissertation

Effect of waterborne preservative treatments on allowable stress design values

Creator:: Winandy, Jerrold E.
Resource Type:: Dissertation
Full Text:: <0.05) related to Redacted for privacy Redacted for privacy the difference in pH between the wood

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
Full Text:: cultures 18 1.3.2.2 Fungal growth in agar media 18 1.3.3 Methods for testing wood resistance to fungal

Modeling changes in flexural properties of softwood beams during fungal decomposition

Creator:: Mitsuhashi Gonzalez, June M.
Abstract:: Moisture intrusion in residential structures can lead to substantial fungal decay and this damage costs billions in repair/replacement costs. The extent of damage and the rate at which it occurs are primarily dependent on the wood moisture content and temperature in the structure. Determining the risk of decay for various...
Resource Type:: Dissertation
Full Text:: June M. Mitsuhashi Gonzalez for the degree of Doctor of Philosophy in Wood Science presented on August

ScholarsArchive@OSU

Model and procedure for determination of strength and stiffness of wood studs

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

The degradation of kraft pulping wastes in estuarine waters

The stress-strain relationships in wood and fiber-reinforced plastic laminae of reinforced glued-laminated wood beams

Image segmentation for defect detection on veneer surfaces

Effect of vertical compressive stress on shear strength of wood beams

Wood-adhesive bondline analyses with micro x-ray computed tomography

Effect of waterborne preservative treatments on allowable stress design values

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

Modeling changes in flexural properties of softwood beams during fungal decomposition

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