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| Title | Publication | Publish Year |
|---|---|---|
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The Statistical Reliability of Predicting Bending Strength from Strength-Ratio Tables
The 600 actual strength ratios ranged from 13 to 100, averaging 64.4, with a standard deviation of 16.1. The predicted values ranged from 5 to 100, averaging 66.3 plus or […]
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Forest Products Journal | 1971 |
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The Strain Behavior of Wood in Tension Parallel to the Grain
This report presents results of short-term creep tests designed to provide information on the elastic and viscous properties of wood in tension parallel to the grain and contributes to a […]
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Forest Products Journal | 1958 |
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The Tensile Strength of Laminated Members
An exploratory project to determine the tensile strength of laminated members was undertaken to lay groundwork for a more extended study. Material was Coast Region Douglas-fir 2 by 4’s, Eight […]
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Forest Products Journal | 1973 |
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The U.S. Forest Products Laboratory
The Forest Products Laboratory of the Forest Service, U. S. Department of Agriculture, was established in 1910 at Madison, Wisconsin to conduct research on properties and uses of forest products. […]
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Forest Products Journal | 1954 |
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Theoretical Analysis of Yield and Strength Potential of Two-Ply Lumber
Hardwood two-ply lumber consists of laminas in which the defects have been repaired by plugging. The laminate is reduced to furniture dimension in the rough mill without consideration of defects. […]
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Forest Products Journal | 1980 |
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Theory of the Vibration Testing of Wood
The classical equations governing the longitudinal and bending vibrations of rods are derived with solutions appropriate to various end conditions. A tabulation is made of the numerical constants required to […]
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Forest Products Journal | 1966 |
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Thick Aspen Structural Flakeboard
Targeting structural wood products for the industrial/commercial building market receives attention in proportion to cycles in residential construction. Overcapacity in the structural panel industry has renewed interest. Test results for […]
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Forest Products Journal | 1985 |
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Three Tests on Nailhead Performance in Wood-Base Panels
The effectiveness of three test methods in determining nail-head performance values in four commercial wood-base products, using two types of nails, was determined. There was no significant difference between two […]
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Forest Products Journal | 1974 |
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Timber in Modern Construction
Exhaustive coverage is made of the use of wood in heavy construction. First, wood is compared to other structural materials, particularly steel, with regard to fire resistance, strength properties, and […]
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Forest Products Journal | 1953 |
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Timber Structures Reinforced with Light Gage Steel
To determine the effectiveness of light gage steel as a local reinforcement in timber structures, beams subjected to the primary forces, shear and bending, were tested. Shear test beams were […]
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Forest Products Journal | 1974 |
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Time-Dependent Bending Deflections of Douglas-Fir 2 By 4’s
The time-dependent deformation known as creep is an important material characteristic of wood that is not well understood. This study evaluates the time-dependent deflections of Douglas-fir 2 by 4 beams […]
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Forest Products Journal | 1985 |
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Time-Dependent Properties of Particleboard Decking in Flexure
Southern yellow pine particleboard decking manufactured for modular home construction was evaluated for the effect of rate of loading and load duration on strength, and for creep under long term […]
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Forest Products Journal | 1978 |
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Time-Dependent Strain Behavior of Wood in Tension Parallel to the Grain
Creep behavior at room temperature and 12 percent moisture content on 11 species of wood were studied by means of the type B tension specimen (ASTM D805-52). Specimens were conditioned […]
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Forest Products Journal | 1961 |
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Time-Related Flexural Behavior of Small Douglas-Fir Beams Under Prolonged Loading
The mechanical behavior of wood depends to a considerable degree on the conditions under which mechanical forces are imposed. Wood exhibits both elastic and viscous deformation characteristics and this aspect […]
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Forest Products Journal | 1963 |
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Torsion Shear Test for Particleboard Adapted to a Universal Testing Machine
The internal torsion shear strengths of twenty-five comercial and laboratory particleboards were determined with a torsion apparatus designed, built, and adapted to a universal testing machine. The torsion values obtained […]
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Forest Products Journal | 1971 |
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Toughness of Healthy and Spruce Budworm-Killed Balsam Fir
Small clear specimens were machined and tested for toughness according to ASTM standards. Specimens were obtained from healthy and spruce budworm-killed balsam fir. Toughness averaged 141 inch-pounds for clear specimens […]
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Forest Products Journal | 1983 |
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Toughness of Sapwood in Water-Sprayed Longleaf Pine Logs
Ten longleaf pines (Pinus palustris Mill.) near Gulfport, Mississippi, were felled during the summer, and three 5-footlong bolts (1.5 m) were bucked from each stem. The trees were 10 to […]
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Forest Products Journal | 1971 |
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Toughness of Selected Wood Composites
Standard toughness tests were conducted on 560 specimens from 14 commercial lumber, plywood, particleboard, and hardboard products of selected species using, a Forest Products Laboratory toughness testing machine. Whereas maximum […]
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Forest Products Journal | 1973 |
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Transformer Type Strain Gage for Wood
A linear variable differential transform, LVDT, was evaluated as a strain gage for wood. The LVDT gage was found to be far superior to an 8-inch extensometer utilizing 0.0001 inch […]
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Forest Products Journal | 1958 |
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Treatment of Wood-Polymer Systems Using Catalyst-Heat Techniques
This paper outlines the use of peroxides as a catalyst for the heat polymerization of methylmethacrylate in wood. The system consists of evacuating the void spaces in the wood with […]
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Forest Products Journal | 1965 |
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Triethylamine Stabilizer for Resins in Douglas-Fir Particleboard
The addition of small amounts of triethylamine to urea- formaldehyde resins used in the production of Douglas-fir particleboard resulted in retention of bonding ability for longer time periods and alleviated […]
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Forest Products Journal | 1969 |
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Tropical Wood Evaluation and Utilization
A system for evaluation, including sample selection, preparation, handling, and testing, was developed by Potlatch Forests, Inc. to establish reasonable property values and to indicate possibilities for utilization of several […]
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Forest Products Journal | 1973 |
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Tropical Wood Research for the Furniture Industry
This is a summary of some of the work on the evaluation of tropical woods conducted at the Yale School of Forestry for the Office of Naval Research, Navy Department. […]
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Forest Products Journal | 1949 |
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Two-Way Action of Pitched Roofs
A 12-foot-square half-scale model of a house roof was constructed using 11 plywood-gusseted 4-1/2 in 12 pitched trusses spanning a clear 12 feet and spaced at 12-inch centers. Plywood sheathing, […]
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Forest Products Journal | 1977 |
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U.S. Experience in Application of Structural Exterior Particleboard
Users of commercially available, code approved, structural particleboards were interviewed. Waferboard performed satisfactorily where installers were instructed on handling. Edge and impact breakage are disadvantages. Delamination and internal voids in […]
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Forest Products Journal | 1975 |