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Assessing biaxial strength characteristics of wood-based structural panels

Creator:: Cheng, Ping, 1960-
Abstract:: Biaxial strength characteristics of wood-based structural panels were evaluated by using analytical and experimental methods. Cruciform plywood specimens were tested under biaxial tensile-tensile, compressive-compressive loadings in a symmetrically-jointed- arm test fixture, which was mounted on a universal testing machine. Performance of the test fixture was also evaluated during the tests....
Resource Type:: Masters Thesis

The effect of high temperatures on structural timbers

Creator:: Ebeling, Dick Winfield
Resource Type:: Masters Thesis
Full Text:: Fig. 3 Testing mechine used for small sanrnles. . . . . 19 Fig. 4 Microscoric structure of wood (14

Load characteristics of end-matched tongue and grooved timber decking

Creator:: Anvick, Theodore Emerson
Resource Type:: Masters Thesis
Full Text:: ''JJu'JAa'JJ. ..*.*..... ..I.*.SI. - . . . .e Construction of Test 3peciraens Testing .qutpcent Testing

The photoelastic coating method applied to the stress analysis of wood

Creator:: Fritz, Dennis William
Abstract:: The merits of the photoelastic coating technique as applied to wood were evaluated. Comparative tests were made on 12 nominal two-by-four Douglas Fir boards. The object of these tests was to determine the limitations of this technique, such as accuracy and complexity of experimental procedure. Correlation of the experimental results...
Resource Type:: Masters Thesis
Full Text:: Tests 55 Special Apparatus 55 Use of Strain Gages on Wood 55 Testing Method 57 Photoelastic Coating

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

Effect of air temperature and humidity at different pressures on rate of air-flow through apparatus designed for indicating permeability of wood

Creator:: Prichananda, Chongrak, 1932-
Resource Type:: Masters Thesis

Vibration and propagation characteristics of wood poles subjected to sonic excitation

Creator:: Shelley, Robert Eugene
Abstract:: The Pacific Coast variety of Douglas-fir was investigated. The samples were tested using both forced and free vibrations. Transverse vibrations were introduced by excitations on the side of the samples. Forced vibrations were applied from 5000 to 0 hertz by a vibration generator, and free vibrations were initiated by a...
Resource Type:: Masters Thesis
Full Text:: in vibrational testing of wood. Pellerin discusses a vibrational method for determining the modulus

The effect of formation variables on the properties of wood particle moldings

Creator:: Patterson, Thomas Joseph
Resource Type:: Masters Thesis

A study of load-induced microdeformations within wood-based structural members using optical scanning techniques

Creator:: Irving, David C.
Abstract:: Efficient use of wood in structural applications depends upon the accuracy with which we can predict the mechanical behavior of members under load. Most methods of lumber grading and laminated beam design depend upon statistical and/or empirical techniques in which averaged properties for complete members are derived. A knowledge of...
Resource Type:: Masters Thesis

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

ScholarsArchive@OSU

Assessing biaxial strength characteristics of wood-based structural panels

The effect of high temperatures on structural timbers

Load characteristics of end-matched tongue and grooved timber decking

The photoelastic coating method applied to the stress analysis of wood

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

Effect of air temperature and humidity at different pressures on rate of air-flow through apparatus designed for indicating permeability of wood

Vibration and propagation characteristics of wood poles subjected to sonic excitation

The effect of formation variables on the properties of wood particle moldings

A study of load-induced microdeformations within wood-based structural members using optical scanning techniques

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

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