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| Title | Publication | Publish Year |
|---|---|---|
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Accelerated Aging of Adhesives in Plywood-Type Joints
This research was undertaken to determine if accelerated aging might provide a means of predicting long-term durability of adhesive-bonded plywood joints. The degrading influences of moisture, temperature, and cyclic swelling […]
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Forest Products Journal | 1965 |
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Accelerated Aging of Phenolic Resin Bonded Particleboard
Three-year and 5-year outdoor test fence physical data were completed and compared against two accelerated aging tests for phenolic resin-bonded wood particleboards – ASTM D-1037-64 and WCAMA Test Method 6.1. […]
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Forest Products Journal | 1970 |
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Accelerated Drying of Lodgepole Pine and Western Larch Poles
This paper reports a study designed to evaluate the performance of a pole-dryer developed by the J. Neils Lumber Co. and to obtain information on: 1) the effect of high- […]
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Forest Products Journal | 1963 |
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Acetylation of Wood in Lumber Thickness
Wood thicker than veneer may be acetylated within a reasonable period of time by treatment with uncatalyzed acetic anhydride diluted with an inert solvent which does not by itself swell […]
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Forest Products Journal | 1961 |
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Adhesive-Bonded Shear Walls for CCA-Treated Wood Foundations
A gap-filling phenol-resorcinol adhesive and an alkali surface pretreatment can strengthen the racking resistance of treated wood foundation walls without the need to rely on mechanical fasteners. Wall sections were […]
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Forest Products Journal | 1981 |
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All-Nailed Lumber Truss of 60 to 80-Foot Span
Describes lumber trusses for light-industrial buildings with 60- to 80-foot clear spans. A comparison is made of test data obtained with the model and with full-size versions. The models made […]
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Forest Products Journal | 1968 |
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Allowable Loads for Common Bolts At Various Angles to the Grain for Southern Yellow Pine
This report presents the results of 110 tests with an attempt to determine the accuracy of the Hankinson formula and the Osgood formula to calculate allowable loads that may be […]
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Forest Products Journal | 1953 |
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An Air-Drying Technique to Control Surface Checking in Refractory Hardwoods
A device termed a moisture pallet provides a technique for sandwiching oak lumber between sheets of l/4-inch Douglas-fir plywood to greatly reduce surface checking during forced air drying. When combined […]
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Forest Products Journal | 1985 |
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An Apparatus for the Quantitative Measurement of Surface Strength of Particleboard
The device may be used with any standard recording tensile testing machine and consists essentially of a probe that is inserted to a controlled depth into the face of a […]
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Forest Products Journal | 1966 |
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An Evaluation of Borates and Other Inorganic Salts as Fire Retardants for Wood Products
Six chemical materials–FR 28R; (NH4) 2HPO4; (NH4) AWPA Type C; AWPA Type D; and Proprietary (composition unknown)–were tested for their effectiveness as fire retardants for Douglas-fir, southern pine, and western […]
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Forest Products Journal | 1965 |
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An Improved Method of Mounting Transducers in Bending Tests of Small Specimens
A highly stable transducer-yoke assembly is described which can be accurately positioned to measure the minute deflections of small specimens during bending tests. The transducer-yoke reported here is suspended from […]
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Forest Products Journal | 1968 |
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An Investigation Into the Effects of Certain Variables in Scarf-Jointed Timber Laminations
A total of 950 Douglas-fir specimens were tested in tension parallel to the grain, to evaluate the strength ratio of various scarf joints, to investigate the influence of “notch effect” […]
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Forest Products Journal | 1956 |
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Analysis of K-Factor for Five-Ply Plywood
K-factor has long been used as a modifier of section modulus in the calculation of bending moment for plywood beams. No comparable modification of moment of inertia is included in […]
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Forest Products Journal | 1973 |
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Annual Layers Affect Resistance of Wood to Impact
Using test material from a relatively large log of Douglas-fir, an attempt was made to observe whether differences in the resistance of wood to impact loading may be related to […]
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Forest Products Journal | 1964 |
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Annual Review in Wood Engineering
In addition to a bibliography listing 49 publications appearing during 1964-651 significant wood engineering research and development is highlighted. Initially there is a reference to the Timber Design Manual to […]
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Forest Products Journal | 1965 |
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Applications of Reinforced Plastics for Laminated Transmission Poles
Considerable interest has developed in recent years in the applications of high strength glassfiber reinforced plastics to wood. Materials applied for the most part consist of, either completely reinforced plastics […]
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Forest Products Journal | 1973 |
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Applying Grid Patterns to Wood Surfaces Using Photosensitive Lacquers
The application of grid patterns to wood surfaces to study the strains associated with the cutting of wood has been complicated by the problem of finding a coating material that […]
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Forest Products Journal | 1969 |
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Are Present Wall Constructions Structurally Sound?
Tests were made by the U.S. Forest Products Laboratory to determine racking resistance to horizontal forces of several types of house wall construction. Wall panels tested were 8 feet by […]
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Forest Products Journal | 1952 |
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Assessment of preservative treated aspen waferboard after 30 months of field exposure
Aspen waferboard panels bonded with phenol formaldehyde resin and treated with preservatives were exposed on test fences or buried to half their height in soil at sites in Mississippi and […]
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Forest Products Journal | 1987 |
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Balsam Poplar as a Raw Material for Waferboard
Results showed that small diameter (5 in.) balsam poplar and aspen bolts both required approximately the same length of time to thaw, but for large diameter bolts (10 in.), a […]
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Forest Products Journal | 1985 |
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Bark as a Supplement to Wood Furnish for Particleboard
Strength properties of laboratory-fabricated homogeneous particleboard of medium density were evaluated to determine the effects of substituting bark for 5, 10, and 20 percent (OD weight) of standard wood furnish. […]
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Forest Products Journal | 1979 |
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Bark Boards from Four West Coast Softwood Species
Boards composed of bark constitute a new class of products with different properties from the types of wood particleboards presently being manufactured. Research was conducted on the effect of particle […]
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Forest Products Journal | 1973 |
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Bark Boards Without Synthetic Resins
A method of making bark boards using 5-mesh size bark particles and adhesive is reported. This is done by utilizing the principle of bark extractive-lignin polymerization at high temperature. Pressing […]
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Forest Products Journal | 1975 |
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Bark Properties of Eight Western Softwoods
Swelling properties, shear strength, and wood and cell wall specific gravity of bark were determined for: Pinus ponderosa Laws. (ponderosa pine); Pinus lambertiana Dougl. (sugar pine); Pinus jeffreyi Grey. and […]
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Forest Products Journal | 1974 |
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Basic Stresses for Wood
Basic stresses for western Canadian softwood species are given and their application to squared timbers of solid wood, joists, planks, beams/ stringers, posts, and timbers is discussed. Average strength properties, […]
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Forest Products Journal | 1949 |