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| Title | Publication | Publish Year |
|---|---|---|
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Some Problems in the Design and Performance of Laminated Wood Trusses
For this study the Forest Products Laboratory of Canada designed a laminated arch for use inside a building 47 feet 6 inches wide, 21 feet 6 inches high at the […]
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Forest Products Journal | 1949 |
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Some Variables Affecting Microtensile Strength of Douglas-Fir
Tension parallel to the grain tests were conducted on green specimens of Douglas-fir 0.003 inch by 0.06 inch by 1.75 inches. Strength ranged from 3165 psi to 9243 psi with […]
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Forest Products Journal | 1962 |
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Sorption Isotherms of Twelve Woods At Subfreezing Temperatures
This paper deals with the study of the equilibrium moisture characteristics of wood below freezing. The study included experiments covering the relative humidity range from nearly zero percent to the […]
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Forest Products Journal | 1967 |
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Sorting Southern Pine Green Veneer to Improve Drying Control
Three green veneer sorting measures (water content, green weight, and both combined) were evaluated as means to control dry veneer moisture content variables of percent MC, water content, and percent […]
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Forest Products Journal | 1971 |
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Southern Pine Economy’s Response Capability
The capacity of the southern pine industry to respond to short term changes in economic conditions, such as a substantial increase in demand for southern pine products in the next […]
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Forest Products Journal | 1975 |
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Southern Timber Supply Trends and Outlook
Forest products industries in the South have expanded greatly in the past decade. At the same time, the volume of pine growing stock has risen sharply. Although total hardwood volume […]
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Forest Products Journal | 1972 |
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Southern Trees By the Billion
There are 105 billion trees in the South. Three-tenths of these trees are culls and should be removed to provide space for better trees to grow. There are more hardwood […]
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Forest Products Journal | 1962 |
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Species and Core Joint Design Affect Tensile Strength and Stiffness of Composite Truss Lumber
Composite truss lumber 2 by 4’s made with southern pine veneer and sweetgum veneer were tested in tension. Veneer species, type of core joint, and core orientation index significantly affected […]
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Forest Products Journal | 1986 |
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Specific Gravity and Fiber Length in Crown-Formed and Stem-Formed Wood
A definite difference was shown in this study of crown formed and stem-formed wood in specific gravity and fiber length as found in Pinus resinosa from Grand Rapids, Minnesota. These […]
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Forest Products Journal | 1964 |
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Specific Gravity At Various Positions Along the Stem of Planted Loblolly Pine Trees
In sample trees from 158 loblolly pine plantations, mean bole specific gravity decreased with increasing height to point of measurement and increased with increasing tree age. An equation has been […]
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Forest Products Journal | 1977 |
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Specific Gravity Studies of Young-Growth Southwestern Ponderosa Pine
A study was made to determine the average specific gravity at breast height, as well as the tree to tree variation in young-growth stands of ponderosa pine. A total of […]
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Forest Products Journal | 1969 |
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Spent Sulfite Liquor Binder for Eastern Spruce Flakeboard
An investigation was conducted to evaluate the performance of a spent sulfite liquor binder in eastern spruce flakeboard and to determine the effects of board construction and of adhesive particle […]
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Forest Products Journal | 1978 |
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Spiral Grain in Second Growth Douglas-Fir and Western Hemlock
The spiral habit of growth of Douglas-fir (Pseudotsuga menziesii (Mirb) Franco) and western hemlock (Tsuga heterophylla (Raf)Sarg) was studied. Specimens were taken from sample plots on the University of Columbia […]
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Forest Products Journal | 1958 |
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Spiral Grain in Trees–A Review
The salient literature on spiral grain in trees is reviewed. The occurrence of the phenomenon, its detection and measurement, growth patterns in conifers and hardwoods, probable causal factors, and methods […]
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Forest Products Journal | 1963 |
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Spiral Grain Patterns from Increment Cores
Laboratory work on lodgepole and ponderosa pine and field tests on lodgepole pine, western redcedar, and western larch provide a new method for measuring grain angle and assaying the presence […]
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Forest Products Journal | 1968 |
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Spruce Budworm Killed Balsam Fir as a Raw Material for Flakeboard and Waferboard
Laboratory phenol-formaldehyde (PF) bonded waferboards (3 percent powdered PF) and flakeboards (6 percent liquid PF) were manufactured from 100 percent healthy balsam fir; 100 percent 3-month, 1-year, and 2-year-dead balsam […]
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Forest Products Journal | 1984 |
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SPSM–A Southern Pine Sawmill Model
SPSM is a simulation model of a large southern pine sawmill. Operational variables included in the combined network and discrete-event model are production rates, equipment, personnel, log quality, log costs, […]
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Forest Products Journal | 1983 |
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Square Cants from Round Bolts Without Slabs Or Sawdust
Three designs to create chips or flakes by means of end-milling, peripheral milling, and cutting with shaping lathe were tested. The experimental setup for the end-milling configuration was a Koch […]
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Forest Products Journal | 1964 |
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Stability and Bracing of Parallel-Chord Wood Trusses
Designers usually employ conservative methods of determining truss bracing requirements. If a failure should occur, the presence or absence of specified bracing is often at issue. If bracing is less […]
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Forest Products Journal | 1986 |
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Stability study of square timbers in simulated house frame service in Japan
A group of kiln-dried softwood timbers with various final moisture content (MC) ranges, was shipped to Japan from British Columbia. The specimens were 105 mm square in cross section and […]
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Forest Products Journal | 2005 |
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Stain Control in Eastern White Pine – Using Ammoniacal Zinc Oxide in Mill Conditions
Sixty thousand board-feet (Mbf) of green, rough-sawn 1-inch eastern white pine boards (Pinus strobus) were treated with an ammoniacal zinc oxide solution under mill conditions to examine its effectiveness in […]
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Forest Products Journal | 1975 |
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Staining ability of various sapstaining fungi on agar plates and on wood wafers
Sapstain is the blue-black discoloration of sapwood caused by various sapstaining fungi that deeply penetrate into the wood. These staining fungi generally belong to three groups of fungi: species of […]
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Forest Products Journal | 1999 |
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Staining ability of various sapstaining fungi on jack pine short log sections
Ceratocystis and Ophiostoma species are common fungi that cause wood sapstain worldwide. The staining ability of these fungi on wood wafers of different wood species has previously been investigated and […]
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Forest Products Journal | 2001 |
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Status of machine stress-rating of lumber 25 years after commercial implementation
Machine stress-rating (MSR) of lumber has been in commercial use for 25 years. This grading process has grown very moderately during its initial phase of development. However, since 1980, MSR […]
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Forest Products Journal | 1989 |
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Steam Consumption in the Kiln Drying of Western Softwoods
Kiln-drying records for Douglas-fir and western hemlock were studied. For each pound of moisture evaporated, there was a steam loss of 1.57 pounds. Statistics of consumption by species and season […]
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Forest Products Journal | 1954 |