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| Title | Publication | Publish Year |
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Preparation and Testing of Microbending Specimens
Very small bending specimens have proven to be useful in evaluating certain aspects of wood strength in wood quality studies and in products where sufficient material is unavailable for standard-size […]
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Forest Products Journal | 1986 |
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Preservative Treatment Effects on Mechanical and Thickness Swelling Properties of Aspen Waferboard
Eighteen liquid or powdered phenolic resole resin-bonded types of aspen (Populus tremuloides) waferboard were manufactured incorporating eight commercially manufactured and one experimental preservative. Preservatives were applied by pretreating wafers, incorporating […]
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Forest Products Journal | 1982 |
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Press-Time Reduction By Preheating and Strength Improvement By Finger-Jointing Laminated Vaneer Lumber
Six-ply laminated-veneer-lumber (LVL) specimens were fabricated from finger-jointed, 1/4-inch (0.64 cm) rotary-cut western hemlock veneers using phenol-formaldehyde resin. The adhesive used for the finger-joints was phenol-resorcinol formaldehyde. Finger-joints were located […]
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Forest Products Journal | 1979 |
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Prestressing Wood Members
The effects of prestressing a wood beam fabricated from low-grade wood were investigated by comparative evaluation of the flexural properties of prestressed and matched unprestressed beams that were statistically loaded […]
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Forest Products Journal | 1962 |
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Printing Grid Patterns on Green Wood
A technique is described to print grid patterns on green wood. A two-part epoxy was applied to a smooth surface. Kodak Photosensitive Resist was then applied on which a grid […]
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Forest Products Journal | 1970 |
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Procedure for Determining the Thickness of Door Jambs
Current standards and specifications offer no procedure for structural analysis of jambs. A procedure was developed that predicts the necessary jamb thickness and maximum door deflection. In addition to the […]
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Forest Products Journal | 1978 |
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Process for Straightening and Drying Southern Pine 2 By 4’s in 24 Hours
The objective was development of a process for steam straightening and drying (in 24 hours) 8-foot studs cut from small southern pine logs as well as from veneer cores. Drying […]
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Forest Products Journal | 1971 |
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Product and Process Variables Associated with a Shaped Particle Beam
Several forming methods were tried in constructing 9-1/4-inch by 8-foot I-beams of reconstituted wood particles using shaped molds and standard particleboard pressing techniques. The forming method holding most promise for […]
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Forest Products Journal | 1975 |
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Progress in Wood Construction
Wartime construction accelerated the adoption of existing wood construction techniques but contributed little that was basically new. Important recent areas of progress have been the compilation and dissemination of existing […]
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Forest Products Journal | 1947 |
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Progress Report on Survey of Bending Strength Values of Dimension Lumber Used in Farm Work Buildings in the Northeastern States
An attempt is being made to determine the range of strengths of ungraded northeastern lumber produced by small local mills and used in farm building construction. A study is underway […]
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Forest Products Journal | 1956 |
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Proof Loading of Tension Laminations for Large Glued-Laminated Beams
The purpose of this study was to establish tension proof-loading criteria which would permit fabrication of large glued-laminated beams with assured minimum allowable values. The beams were fabricated from low […]
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Forest Products Journal | 1972 |
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Proof Test Load Value Determination for Maximum Economic Return
In-line production proofload testing of lumber requires that a test load value be chosen. For lumber failure distributions having high variability, and optimum test may break as much as 10 […]
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Forest Products Journal | 1983 |
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Proofloading of Finger-Joints for Glulam Timber
The need for positive assurance that the strength of all end-joints in the critical outer tension zone of beams is in balance with the strength of the wood has been […]
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Forest Products Journal | 1981 |
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Properties and grading of southern pine timbers
Bending and compression parallel-to-the-grain tests were conducted on approximately 200 dry southern pine 140- by 140-mm (6- by 6-in.) timbers, 3 m (10 ft.) long, sampled from two mills in […]
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Forest Products Journal | 1997 |
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Properties and Uses of Balsa
Balsa (Ochronia lagopus SW.) is the lightest wood in commerce. A fast-growing hardwood in Central and South America (principally Ecuador) it produces two 16-foot logs of 15 inches diameter in […]
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Forest Products Journal | 1958 |
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Properties and Uses of High-Density Imported Woods
The continuing search for the best wood for a given purpose indicates that nothing could replace hickory for axe handles, however, some foreign woods do fill specific needs of our […]
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Forest Products Journal | 1958 |
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Properties of 1/2-Inch Composite Plywood with Southern Yellow Pine Veneer Faces and Unidirectionally Oriented Southern Oaks Strand Core
Evaluation was made of certain mechanical properties and dimensional changes of 1/2-inch composite plywood, fabricated from 1/8-inch-thick southern pine veneer faces and 1/4-inch unidirectionally oriented strand cores made from a […]
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Forest Products Journal | 1983 |
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Properties of Beech in Tension Perpendicular to the Grain and Their Relation to Drying
Green logs of beech (Fagus sylvatica) were converted to 1-1/4-inch planks of heartwood and kiln-dried to 18, 12, and 6 percent moisture content. Sections were planed to test dimensions and […]
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Forest Products Journal | 1953 |
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Properties of commercial OSB from three southern pine mills
The results of an evaluation of certain mechanical and physical properties of OSB from three southern pine mills are presented. Boards from one mill consisted of 50 percent southern pine […]
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Forest Products Journal | 1989 |
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Properties of Flakeboards from Hardwoods Growing on Southern Pine Sites
Boards 0.5 inch thick were made from 3-inch-long flakes of 9 species of southern hardwoods commonly found on pine sites. The main effects of species were due to variation in […]
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Forest Products Journal | 1975 |
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Properties of Hardboards Made from Tropical Hardwoods and Aspen Chips Before and After Simulated Outdoor Storage
This limited study illustrates the feasibility of longterm storage of Philippine hardwood chips for dryformed hardboard manufacture. Only 9 percent weight loss occurred after 9 months storage under conditions that […]
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Forest Products Journal | 1983 |
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Properties of Medium-Density, Dry-Formed Fiberboard from Seven Hardwood Residues and Bark
In the refining of both white oak cooperage wastes and aspen wood it was necessary to use considerable heat energy and long retention time in order to obtain high quality […]
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Forest Products Journal | 1976 |
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Properties of Particle- and Hardboard Made from Healthy and Beetle-Killed Southern Pine
The southern pine beetle kills pine trees on millions of acres in the southeastern United States each year. In this study we investigated the suitability of wood from beetle-killed trees […]
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Forest Products Journal | 1982 |
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Properties of Particleboard from Loblolly Pine Logging Residues
The suitability of varying amounts of tree tops, branches, and needles as furnish for underlayment quality particleboard was investigated. A OF resin adhesive was used. Results indicate that up to […]
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Forest Products Journal | 1977 |
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Properties of Particleboard from Southern Yellow Pine and Cottonwood Mixtures
Physical and mechanical properties of medium density, urea formaldehyde particleboards of various mixtures of Southern yellow pine and cottonwood furnish were determined. Resin content, press conditions and furnish were comparable […]
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Forest Products Journal | 1976 |