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| Title | Publication | Publish Year |
|---|---|---|
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Curing Characteristics of Wood Particles from Nine Northern Rocky Mountain Species Mixed with Portland Cement
A technique for characterizing the inhibitory effect of wood on the setting of portland cement in a wood-cement-water mixture is presented. An equation was developed from hydration temperature data which […]
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Forest Products Journal | 1984 |
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Cut-Stock from Western Softwoods
The utilization of western softwoods for cut-stock has as its prime objective the reduction of cost to the user and the increase of profit to the producer. The trend has […]
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Forest Products Journal | 1949 |
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Cypress: a species in transition
The market for southern cypress is changing. An analysis of the cypress resource, a survey of cypress manufacturers, and discussions with state personnel, retailers, brokers, researchers and other characterized production […]
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Forest Products Journal | 1991 |
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Decay and Termite Resistance of Medium-Density Fiberboards Made from Wood Residue
Fiberboards of approximately 45 lb./cu.ft. density were made from northern white cedar, mixed northern hardwood planing mill residue debarker scrap, hardwood sawdust, or mixed hardwood tree tops. The cedar and […]
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Forest Products Journal | 1972 |
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Decay Control and Increased Permeability in Southern Pine Sprayed with Fluoride Solutions
Surface applications of 3 to 5 percent solutions of ammonium bifluoride and sodium fluoride greatly reduced decay losses in peeled and rough pulpwood of southern pine. Fluoride was more effective […]
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Forest Products Journal | 1952 |
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Decay in Mine Timbers–Part II: Basidiomycetes Associated with Decay of Coal Mine Timbers
In an effort to identify fungi responsible for decay of coal mine timbers, 177 basidiomycetous isolates–158 of which were identified–were obtained from decaying timbers in 18 mines from 6 major […]
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Forest Products Journal | 1983 |
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Decay in Mine Timbers–Part III : Species-Independent Stress Grading
A pin-injecting Pilodyn and a James V-meter stress-wave measuring instrument were used to estimate crushing strength and modulus of elasticity (MOE) of mine props. Both nondestructive testing instruments can be […]
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Forest Products Journal | 1984 |
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Decay of Nondurable Softwoods By White-Rot Fungi
It is known that certain white-rot fungi show preference for wood of angiosperms. The objective of these experiments was to determine if the difference in the rate of decay of […]
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Forest Products Journal | 1965 |
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Decay Prevention in Wooden Steps and Porches Through Proper Design and Protective Treatments
When wood is used for structures of known high decay hazard, such as southern pine porches and steps in the South, it is safest to use lumber commercially impregnated with […]
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Forest Products Journal | 1953 |
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Decay Resistance of Alaska-Cedar
Decay resistance of mill run Alaska-cedar heartwood was evaluated by means of standard ASTM (D-2017-63) soil-block testing. Test material consisted of 33 heartwood boards supplied by five lumber dealers. Each […]
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Forest Products Journal | 1983 |
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Decompression drying of Pinus radiata sapwood chips
Gas bubble nucleation and expansion in supersaturated aqueous solution, by decompression of the applied gas pressure, can remove free water from the cell lumens of a permeable wood structure. Carbon […]
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Forest Products Journal | 1999 |
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Degree of discoloration by two Ophiostoma species in wounds in Douglas-fir trees
The rate of discoloration of Douglas-fir sapwood by two Ophiostoma species introduced through bark wounds was assessed in three separate trials over a 1-year period. Discoloration was most rapid in […]
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Forest Products Journal | 2005 |
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Dehumidification Drying of Spruce Studs
Spruce studs were dried to an average moisture content (MC) of 16 percent; one charge in a steam heated conventional kiln and three charges by the dehumidification process. Conventional kiln-drying […]
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Forest Products Journal | 1978 |
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Delayed Processing of Felled Trees to Reduce Wood Moisture Content
Live New England hardwood and softwood trees were felled and their moisture content monitored over a 14-day period. Moisture losses in 120 trees systematically cut in 4 replications from July […]
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Forest Products Journal | 1985 |
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Delignification of Spruce Sawdust with Chlorine Dioxide
Production of sawdust at mills is increasing, and numerous attempts have been made to find an economic use for such byproducts. One-stage delignification of spruce sawdust gives a potentially useful […]
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Forest Products Journal | 1953 |
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Density-Strength Development in Oriented and Random Fiber Sheet.
Wet-felted oriented fiber sheets developed a much higher tensile strength (at least twice as much) in the direction of fiber orientation than the conventional random sheets when consolidated in the […]
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Forest Products Journal | 1975 |
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Dependence of MOE on Strength Ratio and Specific Gravity: 4-Inch-Thick Southern Pine
There is an accumulation of evidence that modulus of elasticity (MOE) is grade-dependent. The dependence of MOE on grade has been shown in various studies of 2-inch dimension lumber visually […]
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Forest Products Journal | 1970 |
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Design and Construction of Modern Glued Timbers
In Douglas-fir it has been found that the best economy and quickest delivery are obtained by using combinations of lumber grades which have bending stress levels at or below 2,600 […]
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Forest Products Journal | 1952 |
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Design Criteria for Wood Floor Systems
The criterion for wood floor systems is defined as 1/360th of the span. Tests were conducted to determine how floors designed to this criterion actually do perform. These tests show […]
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Forest Products Journal | 1962 |
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Design of Plywood Folded Plates
The structural action of the plywood folded plate is discussed in terms of a number of plywood roof diaphragms tilted up against one another giving mutual support. From this basic […]
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Forest Products Journal | 1963 |
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Detection of internal log defects by automatic interpretation of computer tomography images
Internal defects can be seen clearly in computer tomography (CT) images of sawlogs. In a sawmill, CT-scan technology could be applied to improve the overall grade and quantity of lumber […]
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Forest Products Journal | 1987 |
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Detection of Very Early Stages of Decay in Western Hemlock Wood Using Acoustic Emissions
It is difficult to detect wood decay as early as 5 percent weight loss or less by conventional techniques. But monitoring the acoustic emissions (AEs) of western hemlock specimens in […]
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Forest Products Journal | 1986 |
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Deterioration of Logs in Cold Decks: A Survey of Information Applying to the Pacific Northwest
Logs remaining in the woods during warm weather are vulnerable to attack by insects and to infection fungi. Infected logs may deteriorate during later storage in dry decks, or they […]
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Forest Products Journal | 1979 |
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Deterioration of Southern Pine Beetle-Killed Trees
The specific gravity of southern pine beetle-killed trees (Pinus taeda L.) drops 3 to 5 percent in the spring, and 4 to 8 percent in the summer after three months […]
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Forest Products Journal | 1971 |
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Determination of Lumen Size Distribution in Softwood By the Mercury Injection Method
A porous material will not absorb a non-wetting material, such as mercury; however, when pressure is applied, the liquid will be forced to penetrate the pores, and the pressure required […]
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Forest Products Journal | 1964 |