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| Title | Publication | Publish Year |
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Properties of Particleboard from Sweetgum
Several urea boards were made with sweetgum furnish of various heartwood: sapwood proportions ranging from all heartwood to all sapwood. Resin content, press conditions, and furnish were comparable to those […]
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Forest Products Journal | 1976 |
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Properties of Particleboards from Mixtures of Philippine Hardwoods
Satisfactory urea-bonded particleboards were manufactured from furnishes prepared from three different chip mixtures of Philippine hardwoods with average SGs of 0.50, 0.72, and 0.52. Board properties were influenced by the […]
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Forest Products Journal | 1978 |
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Properties of Red Oak Lumber Dried By Radio-Frequency/Vacuum Process and Dehumidification Process
Matched pairs of red oak lumber were dried by two different processes: dehumidification (DH) and radio-frequency/vacuum (RFV). The DH drying took approximately 35 days to dry the lumber to 8 […]
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Forest Products Journal | 1984 |
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Properties of Structural Flakeboard Manufactured from 7-Year-Old Intensively Cultured Poplar, Tamarack, and Pine
Structural flakeboard made from 7-year-old intensively cultured tamarack and jack pine was less durable and had poorer mechanical properties than either of two poplar hybrid clones grown under the same […]
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Forest Products Journal | 1986 |
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Properties of Structural Particleboards
Phenolic-bonded particleboards were made to study effects of particle geometry, resin content, and panel density on strength, durability, and, dimensional stability properties. All panels were 1/2 by 24 by 28 […]
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Forest Products Journal | 1974 |
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Properties of Structural Particleboards from Douglas-Fir Forest Residues
Structural particleboards bonded with phenolic resin were prepared from forest residues using Douglas-fir and some hemlock-true fir mixtures. Various diameters and proportions of sound wood, dead wood, decayed wood, tops, […]
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Forest Products Journal | 1974 |
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Properties of Three-Layer Oriented Strandboard from Southern Hardwoods
Experimental test results are presented for three-layer, 1/2-inch-thick, 4- by 8-foot oriented strandboards, made from two mixtures of southern hardwoods using a 6 percent solids liquid phenol-formaldehyde resin. Test results […]
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Forest Products Journal | 1985 |
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Properties of Veneered Southern Pine Low-Density Fiberboard from Hardwood Total-Tree Chips
Low-density fiberboard panels (25 and 35 pcf, OD weight and volume) of two thicknesses (3/8 and 3/4 in.) were made from total-tree hardwood chips without encountering processing difficulties. Composites with […]
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Forest Products Journal | 1977 |
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Proposed New Specimen Size for Testing Plywood in Compression
Large compression specimens (7.5-inch wide by 15-inch long), recommended in ASTM D 3501-76, were used initially to obtain compressive strength and modulus of elasticity (MOE) of southern yellow pine plywood. […]
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Forest Products Journal | 1980 |
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Proposed Strength Formulas for Wood Box Columns
Douglas fir and sugar pine boards in several lengths up to eight feet, using 2-inch screws and various types of 6- penny and 8-penny nails for assembling, were tested in […]
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Forest Products Journal | 1974 |
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Proposed: New Stress Values for the Coast White Woods
In 1956 heavy infestations of wooly aphis on Weyerhaeuser Co. tree farms focused attention on the Coast white woods, which are western hemlock (Tsuga heterophylla), Pacific silver fir (Abies amabilis), […]
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Forest Products Journal | 1960 |
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Prototype Testing of Timber Structures
With the increasing use of prefabricated timber components in the United Kingdom, structural testing of prototype units has been developed as a valid method of assessing new designs. Information obtained […]
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Forest Products Journal | 1970 |
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Quality and Strength Properties of Douglas-Fir Dried At High Temperatures
Studies of the kiln drying of Douglas-fir at high temperatures lead to the following conclusions: 1) The three influential factors, temperature, humidity, and drying time, as applied in the high […]
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Forest Products Journal | 1963 |
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Racking Resistance of Wall Components Constructed with Particleboard Decking
The racking resistance of wall components constructed with particleboard decking was evaluated. Variables included southern pine particleboard (urea- and phenolic-bonded decking), weathering condition (unweathered and weathered on an outdoor test […]
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Forest Products Journal | 1979 |
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Racking Strength of Walls Sheathed with Structural Flakeboards Made from Southern Species
Ten types of structural flakeboards and two types of southern pine plywood were evaluated. Racking loads were applied to full-size racking panels (8 by 8 ft., according to ASTM E […]
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Forest Products Journal | 1980 |
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Rate of Loading Adjustment for Proof Testing of Lumber in Tension
Tension proof loading of truss lumber could provide practical, economic benefits to several industries. One implementation difficulty is that current allowable design stresses are tied to tests conducted at a […]
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Forest Products Journal | 1986 |
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Rate of Loading Effect on Tensile Strength of Wood Parallel to Grain
Rate of loading experiments with matched specimens of western hemlock, 1 1/4 by 2 inches in cross section and six feet long showed that loading rate had no significant effect […]
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Forest Products Journal | 1973 |
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Rate of Loading Influence on Southern Pine 2 By 4’S in Bending
Approximately 400 southern pine No. 2 Dense, kiln-dried 2 by 4’s were tested in third-point, edgewise bending to determine the influence of an increased rate of testing on strength and […]
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Forest Products Journal | 1980 |
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Rational Design of Radial Reinforcement in Pitch-Cambered Glulam Beams
A rational procedure for the design of radial reinforcement for pitch-cambered glulam beams is developed. This design procedure is based on the results of an extensive theoretical investigation of the […]
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Forest Products Journal | 1985 |
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Recent Progress Toward An Understanding of the Physical and Mechanical Properties of Wood
This review surveys briefly some of the developments and progress made during the past 5 years in striving toward a better understanding of the physical and mechanical properties of wood, […]
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Forest Products Journal | 1961 |
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Recommendations of the Madison Conference on Fundamental Research in Wood Drying
This paper reviews the seven recommendations proposed at the title conference. Fundamental research was stressed because, while improvements have been achieved in conventional drying, we still dry wood in the […]
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Forest Products Journal | 1959 |
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Recommended Bearing Stresses for Design in Light-Frame Construction
Compression perpendicular to grain tests of Pacific silver fir (Abies amabilis (Dougl.) Forbes) and subalpine fir (Abies lasiocarpa (Hook.) Nutt) lumber were conducted using three different test specimen configurations in […]
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Forest Products Journal | 1981 |
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Reel Wheels: An Application of Material Science
Circular plates of reconstituted wood were fabricated and destructively tested to appraise the potential of such material for cable reel flanges. The reconstituted wood consisted of flakeboard from quality-cut flakes […]
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Forest Products Journal | 1979 |
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Reinforcement of Wood with Fiberglass
Due to the need for high strength and high stiffness wood members for many demanding structural applications, this study was undertaken to determine the utility of fiberglass as a reinforcement […]
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Forest Products Journal | 1981 |
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Relating Specific Gravity and Mechanical Properties of Hardwoods to Machining Defects
Selecting another wood species is often based upon the initial cost of the raw material. However, the cost to manufacture a satisfactory surface can add substantially to the final cost […]
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Forest Products Journal | 1985 |