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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

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

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

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

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

Fluorescence microscopy for detecting incipient decay and estimating residual strength of wood

Creator:: Lowell, Eini Carole
Abstract:: The objectives of this study were to 1) develop a relatively quick staining procedure that would detect incipient decay by color differentiation under fluorescence, 2) quantitatively assess the amount of decay present with the use of an image analyzer, and 3) re/ate loss in strength at various decay levels to...
Resource Type:: Masters Thesis
Full Text:: Microscopy for Detecting Incipient Decay and Estimating Residual Strength of Wood Abstract approved

The effect of wood density on the kraft pulping properties of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Creator:: Promachotikool, Montree
Abstract:: Three samples of different wood densities of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) were cooked by the kraft process. The yields and the Kappa numbers were studied to establish the rates and the energies of activation of the pulping and delignification reactions respectively. Wood properties did not show significant effects on...
Resource Type:: Masters Thesis

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

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

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

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

Fluorescence microscopy for detecting incipient decay and estimating residual strength of wood

The effect of wood density on the kraft pulping properties of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

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