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| Title | Publication | Publish Year |
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Shear Strength of Douglas-Fir Laminated-Veneer Lumber
A sample of sixty 2 x 8-inch Douglas-fir laminated-veneer lumber (LVL) specimens was obtained from a commercial manufacturer. The material was divided into matched specimens and from each sample block-shear […]
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Forest Products Journal | 1975 |
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Shear Strength of High-Temperature Heat-Treated Douglas-Fir Lumber Laminated with Phenol-Resorcinol Adhesives
Ultimate shear strengths of Douglas-fir lumber glued with two different phenol-resorcinol adhesives were obtained. The first adhesive was formulated for high-temperatures; the second, for room temperature. Specimens were prepared from […]
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Forest Products Journal | 1972 |
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Shear Strength of Wood Beams
The relationship between shear strength of Douglas-fir glued-laminated timber beams and shear span-to-depth ratio (a/d) is not satisfactorily explained either by presence of compressive stresses perpendicular to grain, or by […]
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Forest Products Journal | 1974 |
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Shear Stresses Resulting from Swelling in Laminated Assemblies
The technique developed here makes it possible to study swelling or shrinkage forces which are restrained in shear. It could be used in studying the behavior of various types of […]
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Forest Products Journal | 1968 |
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Shifts in Southern wood products exports: 1980 to 1988
The United States has experienced strong growth in lumber and softwood plywood exports during the 1980s. The value of hardwood and softwood lumber products exports grew 179 and 46 percent, […]
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Forest Products Journal | 1991 |
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Shrinkage of Douglas-Fir Veneer Dried By Air Impingement
The shrinkage of Douglas-fir veneer dried in an air impingement dryer was studied. The effects of three dryer temperatures, three air velocities, two veneer thicknesses, two veneer qualities, two wood […]
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Forest Products Journal | 1979 |
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Shrinkage of Western Hemlock Heartwood After Conventional and High-Temperature Kiln-Drying
Two groups of end-matched specimens of unseasoned 2- by 6-inch western hemlock (Tsuga heterophylla) dimension lumber and vertical-grain 2- by 6-inch clear lumber containing varying amounts of sinker heartwood were […]
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Forest Products Journal | 1981 |
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Significance of Western Hemlock Phenolic Extractives in Pulping and Lumber
Western hemlock contains many brown tannin-like phenolics which may cause brightness problems in pulp and stain problems in lumber. Five phenolics have been isolated from western hemlock. These are conidendron, […]
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Forest Products Journal | 1968 |
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Silvicultural treatments prevent gypsy moth damage
The invasion of gypsy moth into U.S. forests is a continual process. Gypsy moth has invaded less than 25 percent of its potential habitat in the eastern United States. New […]
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Hardwood Symposium Proceedings | 1997 |
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Simplified procedure for computing best opening face position
A procedure for developing simplified equations for estimating best opening face (BOF) position was developed. These equations were based on analysis of results of a computer simulation of the sawing […]
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Forest Products Journal | 1987 |
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Simplified Specification of Lumber
The differences between nominal and actual lumber sizes has brought unanimous expressions of opinion from consumers, architects, builders, retail and wholesale dealers, and producers that a new system of lumber […]
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Forest Products Journal | 1967 |
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Simulating an extra grader in a sawmill
Managers often make decisions without knowing how the implementation of those decisions will affect a manufacturing system. Simulation can help when these types of decisions need to be made. Relatively […]
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Forest Products Journal | 2003 |
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Simulation of the Impact of Future Market Prices on the Management of Loblolly Pine Plantations
Computer simulation techniques were employed to evaluate the impact that four future market scenarios had on cash flows from intensively managed pine plantations in the South. Four simulation programs were […]
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Forest Products Journal | 1985 |
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Sink-Float Test to Determine Treatability of Douglas-Fir
To conduct the sink-float test, a plug 1/2 inch in diameter by 1/2 inch long is cut from the heartwood of each piece of lumber to be tested. The plugs […]
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Forest Products Journal | 1964 |
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Slicewood–A Promising New Wood Product
FPL technicians have cut 1/2-inch slicewood on a conventional veneer slicer with yields up to 46 percent more than the predicted recovery by sawing. The techniques used are presented in […]
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Forest Products Journal | 1962 |
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Slicing Wood One-Inch Thick: Four Types of Pressure Bars
Slices 1-inch thick of red oak, Douglas-fir, and aspen were cut with four types of pressure bars. Cutting was done at 200?F. on a modified metal milling machine equipped with […]
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Forest Products Journal | 1969 |
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Slope-Of-Grain Indicator
A noncontact slope-of-grain indicator that should be suitable for continuous inspection of lumber has been developed and is being patented. The dielectric constant parallel to the grain in most woods […]
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Forest Products Journal | 1973 |
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Small timber inventory information: is it adequate for utilization planning?
Despite expressed interest and extensive small-timber supplies, little industrial development based on softwood timber less than 7.0 inches in diameter has occurred in the Northern Rocky Mountains. Numerous factors, including […]
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Forest Products Journal | 1988 |
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Small-diameter wood processing in the southwestern United States: An economic case study and decision analysis tool
Ponderosa pine ecosystem restoration has been proposed as a method of improving ecosystem health and lowering the risk of catastrophic wildfire in forests in the southwestern United States. There are […]
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Forest Products Journal | 2004 |
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Softwood Lumber and Stumpage Market Shifts
An eight equation econometric model was used to quantify shifts in the demand and supply of Douglas-fir and southern pine lumber and stumpage by holding the shifters in the respective […]
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Forest Products Journal | 1973 |
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Solvent Drying of California Redwood with Methanol
The extremely long time involved in drying redwood lumber, particularly sinker stock, and the problems of collapse, honeycomb, and chemical seasoning stain encountered in drying by conventional methods, suggested an […]
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Forest Products Journal | 1965 |
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Some Applications of Statistical Quality Control to the Drying of Lumber
Applications of statistical quality control techniques to the control of the final moisture content of kiln-dried lumber are described and illustrated. The Shewhart control chart is an essential tool in […]
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Forest Products Journal | 1953 |
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Some Comparative Characteristics of Second-Growth and Old-Growth Redwood
Old-growth and second-growth redwood are compared with respect to specific gravity, strength, shrinkage, and other properties. Silvicultural practices can aid in producing high-quality timber on the shorter rotations. Most old-growth […]
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Forest Products Journal | 1951 |
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Some Mechanical Properties of Wood Fibers in Tension
Using an electrical-mechanical system for measuring force and deformation, it was possible to determine the load-deformation properties of single fibers of wood. The data from tests of fibers of ten […]
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Forest Products Journal | 1960 |
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Some Observations Regarding the Status of the Wood-Distillation Industry
Diminishing supplies of raw materials at prices Permitting profitable operation, as well as dwindling markets for distillation products, have caused a decrease in the number of wood-distillation plants. The capacity […]
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Forest Products Journal | 1948 |