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| Title | Publication | Publish Year |
|---|---|---|
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Four-Stringer Wood Pallets Save Dollars By Decreasing Buckling of Gallon Cans
Pallet studies were made in large commercial canneries and store-houses in central California, where large gallon-size cans containing fruit or vegetables were often stacked as much as 20 feet high […]
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Forest Products Journal | 1972 |
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FPL Press-Lam Process: Fast, Efficient Conversion of Logs Into Products
Describes a complete log-to-product system that rotary cuts veneer up to 1/2 inch thick from logs, press dries the veneer sheets in less than 15 minutes, applies glue to the […]
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Forest Products Journal | 1972 |
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Fracture At Butt Joints in Laminated Pine
On the basis of test results it is suggested that the theory of linear fracture (“brittle”) mechanics be considered in the design of structural tension members with butt-jointed laminations. The […]
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Forest Products Journal | 1969 |
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Fracture Toughness of Parallel-Laminated Veneer
Fracture toughness (KIc) of parallel-laminated veneers (PLV), loaded normal to the glueline, was evaluated in relation to veneer thickness, grain orientation, and loading rate. The veneers were sawed from clear […]
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Forest Products Journal | 1979 |
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Full-Scale Testing and Structural Evaluation of a Truss-Framed Assembly
The truss-framed system can lead to greater efficiency in construction. In order to determine if conventional truss analysis techniques are applicable to this system, a full-scale assembly was evaluated under […]
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Forest Products Journal | 1984 |
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Fundamental Concepts Concerning Mechanics of Wood Deformation: Strength and Plastic Behavior of Wood
The applications to wood of the various formulae defining strength and strain behavior of wood are discussed. Wood reacts as a ductile material when stressed uniaxially in compression and as […]
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Forest Products Journal | 1967 |
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Fundamental Concepts Concerning the Mechanics of Wood Deformation
Underlying assumptions of classical continuum theory are reviewed in terms of their applicability to predicting the mechanical behavior of wood. Concepts of stress, strain, and the application of the equations […]
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Forest Products Journal | 1967 |
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Fundamental Concepts Concerning the Mechanics of Wood Deformation; Geometric Models
Currently available methods of analyzing and predicting high stress and fracture behavior of wood and other composite materials include such ideas as levels of inhomogeneity, statistical theories, geometrical models, continuum […]
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Forest Products Journal | 1967 |
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Further Report on Seasoning Factors for Modulus of Elasticity and Modulus of Rupture
New data for 11 pairs of southern pine beams of low quality present a more complete picture of how seasoning affects bending properties of 4-inch-thick lumber. Seasoning factors are given […]
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Forest Products Journal | 1970 |
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Further Studies in Combined Bending and Tension Strength of Structural 2 By 4 Lumber
One hundred specimens of machine-graded west coast hemlock 2 by 4 structural lumber were loaded in combined bending and tension. The members were loaded on edge at quarter-points over an […]
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Forest Products Journal | 1973 |
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Future Importance of Computers in Wood Engineering
A reasonable degree of precision is possible in the analysis of complex wood structures, and computer use is mandatory if such analyses are ever to be employed on a practical […]
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Forest Products Journal | 1967 |
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Gamma Irradiation Effects on Modulus of Elasticity of Engelmann Spruce
Sixty-three beams 1/4 inch square in cross section and 12 inches long were used. Modulus of elasticity was measured dynamically by determining the frequency of vibration. Each beam was measured […]
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Forest Products Journal | 1971 |
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Glued Laminated Wood
The author suggests that many of the limitations of solid structural timbers can be overcome with laminated products. Laminated beams can add beauty to buildings while providing many structural advantages. […]
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Forest Products Journal | 1949 |
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Glulam Manufactured with Intermediate-Temperature-Setting Plywood Adhesives
Plywood adhesives are suitable to manufacture glulam provided that the beams are heated to the required temperature to cure the adhesives and that the relative humidity in curing chambers is […]
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Forest Products Journal | 1975 |
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Governing Equations for Timber Shell Structures
A development of the governing equations for timber shell structures made of several layers of lumber is presented. Equations for strength and elasticity are established first. The theory of a […]
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Forest Products Journal | 1966 |
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Grading Problems That Challenge the Lumber Industry
Several important grading problems need to be solved by the lumber industry. In 1922, the American Lumber Standards standardized sizes and provided a general base grade classification for softwoods, but […]
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Forest Products Journal | 1950 |
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Graphical Solution for Shear Deflection of Flexural Members
Shear deflections are often required in flexural members of wood and wood based materials because of the high ratios of modulus of elasticity to modulus of rigidity and depth to […]
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Forest Products Journal | 1967 |
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Grips for Tension Tests of Structural-Size Lumber
Standard methods have been established to test the tensile strength parallel to grain of small clear specimens of wood and of slightly larger specimens of glued end-jointed material. A limitation […]
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Forest Products Journal | 1966 |
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Grips for Testing Lumber in Tension
This article describes grips designed for tension testing of full-size structural lumber without damaging the wood fiber. The grips are essentially U-shaped assemblies having heavy steel legs which are securely […]
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Forest Products Journal | 1968 |
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Hardboard from Benguet Pine Bark-Wood Compositions
Benguet pine, the only commercially important conifer in the Philippines, was investigated as a raw material for hardboard. Since the material source would be sawmill waste and forestry thinnings, the […]
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Forest Products Journal | 1968 |
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Hardboard from Cedar Bark
Hardboard can be made from western red cedar bark, either pure or mixed with some fraction of wood. The board should be satisfactory for most normal uses. The appearance would […]
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Forest Products Journal | 1968 |
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Hardboard from Extracted Juniper Chips
Chips from western juniper that had been steam-distilled for recovery of volatile oil were ground in an attrition mill and then made into hardboard–some without additives, some with resin, and […]
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Forest Products Journal | 1956 |
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Hardboard Stiffness and Tensile Strength Over a Moisture and Temperature Range Simulating Exterior Use
The effects of a range of moisture contents (MCs) from zero to 20 percent and of temperatures from -15? to ?C on the tensile properties of a wet-process heat treated […]
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Forest Products Journal | 1983 |
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Hardboard-Webbed Beams: Research and Application
The use of hardboard as the shear-web material in built-up beams was reported in Europe as far back as the mid-1930s. Primary uses are as roof-support beams with spans up […]
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Forest Products Journal | 1980 |
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Hardness and Hardness Modulus of Wood-Polymer Composites
Hardness tests were made on untreated and treated (PMMA) samples of red oak, hard maple, and aspen. Both the standard hardness test (ASTM D143) and that for modified wood (ASTM […]
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Forest Products Journal | 1973 |