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| Title | Publication | Publish Year |
|---|---|---|
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Safe Bending Radii for Curved Laminates
Investigation was conducted to determine minimum safe radii of curvature for woods commonly used in the U.S. Navy’s ship building program. Little information has been published about the ability of […]
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Forest Products Journal | 1956 |
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Sawing Laboratory Samples–An Improved Technique
Preparation of rectangular longitudinal samples from round material requires firm restraint to prevent movement while in the saw and to maintain accuracy of cut. Once flat surfaces at right angles […]
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Forest Products Journal | 1985 |
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Screwholding Performance in Hardwoods and Particleboard
Screw withdrawal tests were carried out on various species of hardwood and particleboard samples in order to evaluate formulas which had previously been developed to predict the holding strength of […]
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Forest Products Journal | 1975 |
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Selected physical and mechanical properties of giant timber bamboo grown in South Carolina
Physical and mechanical properties of giant timber bamboo (Phyllostachys bambusoides) grown in South Carolina were investigated. The bamboo culms had an average specific gravity (SG) of 0.48 in the green […]
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Forest Products Journal | 1994 |
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Selected physical and mechanical properties of LVL made from Pterocarya fraxinifolia (Lam.) Spach
This study evaluated air-dry density, some selected mechanical properties, and surface roughness of laminated veneer lumber (LVL) from Pterocarya fraxinifolia (Lam.) Spach wood. The LVL was manufactured from 2.3-mm-thick rotary […]
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Forest Products Journal | 2006 |
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Selected Physical-Mechanical Properties of Eastern Tree Barks
Knowledge of the physical and mechanical properties can greatly enhance the utilization potential of bark. In this paper, data for 19 eastern tree barks on density, shrinkage, toughness, hardness, and […]
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Forest Products Journal | 1968 |
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Selected Properties of Commercial Medium-Density Fiberboard
Physical and mechanical properties of eight commercial medium-density fiberboards (MDF) were evaluated. Average density of the board types ranged from .72 to .95 g/cm3. MOE was very closely related to […]
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Forest Products Journal | 1978 |
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Selected Wood Characteristics of Young Yellow-Poplar
The excellent working qualities of wood from old-growth yellow-poplar have been responsible for the great importance attached to this species for the manufacture of furniture and plywood. Wood of second-growth […]
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Forest Products Journal | 1963 |
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Selection Efficiencies of Nondestructive Strength Tests
The research explores the power of vibrational measurement of elastic modulus tests to identify wood of acceptable strength after ensuring rejection of wood of unacceptable strength. It proposes a measure […]
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Forest Products Journal | 1962 |
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Selection of Low-Strength Pieces By Nondestructive Testing: Douglas-Fir and Hem-Fir 2 By 4’s in Flexure
Several nondestructive methods for predicting modulus of rupture (MOR) were applied to four randomly selected samples of 2- by 4-inch dimension lumber. Each sample included 100 pieces of one grade […]
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Forest Products Journal | 1977 |
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Shear and compression perpendicular to grain property estimation for 2400f MSR lumber
In 1992, the American Lumber Standard Committee approved alternative procedures for assigning allowable shear parallel and compression perpendicular to grain values to machine stress rated (MSR) lumber. This paper compares […]
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Forest Products Journal | 1994 |
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Shear Deflection of Wood Beams
Shear deflection contributes a major portion to total deflection in rectangular, box, and I-beams simply supported and centrally loaded. The author of this article considers the derivation of two equations […]
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Forest Products Journal | 1965 |
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Shear Strength of Douglas-Fir Laminated-Veneer Lumber
A sample of sixty 2 x 8-inch Douglas-fir laminated-veneer lumber (LVL) specimens was obtained from a commercial manufacturer. The material was divided into matched specimens and from each sample block-shear […]
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Forest Products Journal | 1975 |
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Shear Strength of High-Temperature Heat-Treated Douglas-Fir Lumber Laminated with Phenol-Resorcinol Adhesives
Ultimate shear strengths of Douglas-fir lumber glued with two different phenol-resorcinol adhesives were obtained. The first adhesive was formulated for high-temperatures; the second, for room temperature. Specimens were prepared from […]
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Forest Products Journal | 1972 |
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Shear Strength of Wood Beams
The relationship between shear strength of Douglas-fir glued-laminated timber beams and shear span-to-depth ratio (a/d) is not satisfactorily explained either by presence of compressive stresses perpendicular to grain, or by […]
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Forest Products Journal | 1974 |
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Shear Stresses Resulting from Swelling in Laminated Assemblies
The technique developed here makes it possible to study swelling or shrinkage forces which are restrained in shear. It could be used in studying the behavior of various types of […]
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Forest Products Journal | 1968 |
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Shelling Ratio and Core Density Effects on Stiffness, Ultimate Strength, and Toughness of Veneered-Hardwood Beams
Static bending tests were conducted on 3/4-inch-thick, 12-by 39-inch hardboards, red oak veneered-hardboard composites, and red oak lumber. Toughness tests were made on small specimens (3/4 square by 11 in.) […]
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Forest Products Journal | 1980 |
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Short Cuts for Particle Board MOE and MOR Calculations
The calculations to determine the static modulus of elasticity and the modulus of rupture of particleboard are laborious. Nomographs were constructed after running the static bending test on specimens of […]
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Forest Products Journal | 1968 |
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Shrinkage Stresses in Externally Restrained Wood
Measurements were made of the forces developed in the tangential grain direction of aspen (Populus tremuloides) and red oak (Quercus rubra) while thin sections of these woods were restrained from […]
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Forest Products Journal | 1965 |
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Simplified Data-Handling Techniques for Particleboard and Hardboard
An attempt has been trade to show the potential value of some simplified data-handling techniques in the analysis of physical test data. Application of these techniques has been illustrated for […]
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Forest Products Journal | 1961 |
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Simplified Test of Internal Bond in Particleboard
The standard ASTM test of internal bond was compared to a modified ASTM test where wood blocks were substituted for metal, and with a push-out test. Specimens for the latter […]
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Forest Products Journal | 1965 |
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Single Ply vs. 2-Ply Laminated Tension Values
Describes experimentation to determine the comparative ultimate tension values of single ply vs. 2-ply laminated lumber. Douglas-fir laminating stock was selected from grades K, L-1, L-2, and L-3 in 2 […]
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Forest Products Journal | 1968 |
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Six Leading-Edge Deckboard Designs for Nailed Warehouse Pallets
Six variations in the design of the leading-edge deck-boards of nailed, non-reversible, double-faced, flush, four-way, 48 inch by 40 inch, permanent warehouse pallets were tested for their influence on the […]
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Forest Products Journal | 1973 |
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Slash Pine Rootwood in Flakeboard
Flakes 3 inches along the grain, 3/8-inch wide, and 0.02-inch thick, were prepared from the taproots (with six-inch-high stumps) and from the second logs of eight 31year-old slash pines. Forty-four […]
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Forest Products Journal | 1974 |
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Slicing Apparatus Aids in Determination of Layer-Density of Particleboard
An apparatus is described which aids in determination of layer-density of particleboard samples by removing successive slices from the sample. Weight and thickness measurements made before and after each slice […]
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Forest Products Journal | 1978 |