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| Title | Publication | Publish Year |
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Duration of Load Tests for Wood in Tension Perpendicular to Grain
A total of 180 Douglas-fir glulam blocks 5 inch by 5 inch by 24 inch, were tested in tension perpendicular to grain at six different rates of loading. It was […]
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Forest Products Journal | 1975 |
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Dynamic Compression Results in Greatly Increased Creosote Retention in Spruce Heartwood
Dynamic transverse compression treatment of green spruce heartwood joists, prior to pressure impregnation with coal-tar creosote, resulted in increased total retention and penetrated area. Three deformation levels were tested, and […]
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Forest Products Journal | 1972 |
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Dynamic Mechanical Behavior of Birch Compared with Methyl Methacrylate Impregnated Birch from 90 Degrees to 475 Degrees K
This research utilized dynamic mechanical spectroscopy as a primary tool to study structure and properties over an extended temperature range. Specimen A was machined from birch dowel stock. Specimen B […]
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Forest Products Journal | 1968 |
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Dynamic Strength and Elastic Properties of Wood
Red oak, yellow birch, and sweetgum in 2 cm. square specimens were tested in static and impact bending in green condition and after 2 months air-drying at 75?F. and 65 […]
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Forest Products Journal | 1962 |
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Dynamic Transverse Compression of Spruce to Improve the Intake of Preservatives
Eastern white spruce lumber was subjected to dynamic transverse compression prior to impregnation with a waterborne preservative. For heartwood material conditioned to an average MC of 20 percent a deformation […]
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Forest Products Journal | 1970 |
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Dynamic Viscoelasticity in Hardboard
Two types of hardboard composed of the same kind of fibers but made differently were tested by means of nondestructive dynamic vibrations. The data obtained were analyzed using relations utilized […]
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Forest Products Journal | 1967 |
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Economic Feasibility of Synthetic Fiber Reinforced Laminated Veneer Lumber (LVL)
Use of synthetic materials to reinforce wood has been discussed in numerous research papers dating from the early 1960s. It has been largely unfeasible to implement this material concept for […]
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Forest Products Journal | 1984 |
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Edge-Glued Dimension Lumber from Low-Grade Southern-Pine
Edge-glued beams were made from laminae of 2 by 4 (No. 3) and 2 by 6 (No. 2) southern pine dimension lumber of known modulus of elasticity. Four groups of […]
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Forest Products Journal | 1974 |
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Edge-Gluing Douglas-Fir Lumber to Improve Strength Properties
Nineteen groups (samples) of Douglas-fir 2-inch lumber specimens were fabricated by edge-gluing a strip of clear wood (usually 1-in. wide) on each edge. Finished nominal sizes of specimens were 2 […]
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Forest Products Journal | 1978 |
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Edgewise Shear Properties of 3-Ply, 4-Ply, and 5-Ply 1/2-Inch Southern Pine Plywood
The ultimate edgewise shear strengths of 1/2-inch southern pine plywood of three constructions were determined by the FPL rail shear test, while the edgewise moduli of rigidity were obtained by […]
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Forest Products Journal | 1973 |
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Effect of Aphid Infestation on Properties of Grand Fir
Aphid-infested wood of grand fir is shown to have the properties of compression wood. Thus a prolonged, widespread aphid infestation would be detrimental to the quality of wood produced in […]
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Forest Products Journal | 1968 |
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Effect of Certain Variables on Strength of Glued End Joints
Butt end joints in balsa glued with resorcinol resin were prepared with three glue viscosities and two surface preparations over a wide range of specific gravities. Up to a specific […]
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Forest Products Journal | 1960 |
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Effect of Compression Wood on the Mechanical Properties of White Spruce and Red Pine
Compression wood in Picea glauca (Moench) Voss and Pinus resinosa Ait. lowers the strength (compression parallel to grain, static bending, and toughness) per unit weight of wood. But because of […]
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Forest Products Journal | 1958 |
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Effect of Construction Variables on Performance of Wood-Stud Walls
Sensitivity studies were conducted on simulated wood-stud wall systems under bending and compression loads to identify the influence of individual and combined parameters–such as geometric, stiffness, and strength properties–of wall […]
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Forest Products Journal | 1982 |
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Effect of Decay on Crushing Strength
The use of compression strength as an indicator of decay is advanced where quick results are required. An advantage is that test samples and decay procedures can be used identical […]
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Forest Products Journal | 1969 |
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Effect of Delay Between Treatment and Drying on Toughness of CCA-Treated Southern Pine
Small clear specimens of southern pine were treated with chromated copper arsenate (CCA) type C preservative, maintained in a saturated condition for various periods of time (time delay), and dried […]
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Forest Products Journal | 1983 |
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Effect of Drying Temperature on the Clear Wood Strength of Southern Pine Treated with CCA-Type A
The objective of this work was to determine the effect of post-treatment drying on selected properties of small, clear southern pine specimens cut from dimension lumber previously treated with CCA. […]
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Forest Products Journal | 1986 |
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Effect of E-Variability on the Deflection Behavior of a Structure
Structural engineering is concerned with strength and stiffness. Engineering problems concerned with strength provide a fertile subject for statistical analysis, but little is known of the application of new statistical […]
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Forest Products Journal | 1975 |
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Effect of Extending Hot Press Urea Resin with Different Types of Wheat and Rye Flour on the Strength and Water Resistance of the Glue Joints
Plywood shear test specimens were taken from panels glued with 60 different glue mixtures. The flour extensions ranged from zero to 100 percent or resin solids, but the catalyst to […]
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Forest Products Journal | 1949 |
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Effect of Fabrication Variables on Critical Buckling Stress of Composite Lumber
Three fabrication variables–veneer species, veneer joints, and core joints–were tested for their effects on column critical buckling stress. Results indicated no significant difference (0.05 level) between yellow-poplar and southern pine […]
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Forest Products Journal | 1986 |
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Effect of Fact Growth Rate on the Mechanical Properties of Loblolly Pine
The static bending, compression parallel to the grain and toughness properties of loblolly pine (Pinus taeda L.) grown at different rates were determined to examine the influence of fast growth […]
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Forest Products Journal | 1980 |
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Effect of Flake Dimensions on Properties of Particle Board
The study was made to provide information on the interrelationships of wood particle shape and a variety of board properties. Study variables included Douglas-fir flakes on levels of 0.65, 0.75, […]
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Forest Products Journal | 1960 |
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Effect of Flake Geometry and Resin Content on Bending Strength of Oak Flake Board
The objective of this study was to determine the effects of particle geometry and resin content on the bending strength of oak flake board. Flake lengths of 0.5, 1, 2, […]
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Forest Products Journal | 1958 |
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Effect of Flake Geometry on Mechanical Properties of Eastern Spruce Flake-Type Particleboard
Laboratory flake-type particleboards produced from eastern spruce flakes were evaluated for selected mechanical properties. The flakes were cut on a rotary lathe, and flake geometry variables were length (1 and […]
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Forest Products Journal | 1976 |
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Effect of Forming Stresses on the Strength of Curved Laminated Beams of Loblolly Pine
Curvature-stress factors reflecting the effect of forming stresses in producing curved beams of thin vertical-grain laminations of clear wood have been determined for loblolly Pine. Strength retention of curved beams […]
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Forest Products Journal | 1969 |