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The IMPROVE Lumber Drying Program is intended to increase awareness of the lumber drying system as a critical component in the manufacture of quality lumber. One objective of the program is to provide easy-to-use tools that a kiln operator can use to maintain an efficient kiln operation and…
Author(s): R. S. Boone, M. R. Milota, J. D. Danielson, D. W. Huber
Keywords: Drying, Handbooks, Hardwoods, Kilns, Lumber, Wood defects, Seasoning
Source: (General technical report FPL ; IMP-GTR-2):56 p. : ill. ; 28 cm.
Year: -1
This paper reports prices for aggregations of lumber grades that are representative of the quality and volume of lumber produced from small-diameter timber stands in the Intermountain West area encompassing Idaho and Montana and land east of the Cascade Mountain range in Oregon and Washington.…
Author(s): John T. Chmelik, Roger D. Fight, R. James Barbour
Keywords: Softwoods, Timber trade, Lumber, Market prices, Economic evaluation, Computer software, Western states of USA
Source: (Research note FPL ; RN-0270):4 p. : ill. ; 28 cm
Year: 1999
Thousands of acres of densely stocked ponderosa pine forests surround Flagstaff, AZ. These stands are at high risk of fire, insect, and disease outbreak. Stand density management activity can be expensive, but product recovery from the thinned material could help defray removal costs. This project…
Author(s): Eini C. Lowell, David W. Green
Keywords: Pinus ponderosa, Smallwood, Logging, Lumber, Wood utilization, Thinning, Recovery, Yields, Volume, Arizona
Source: In: Vance, Regina K.; Edminster, Carleton B.; Covington, W. Wallace; Blake, Julie A., comps. Ponderosa pine ecosystems restoration and conservation: steps toward stewardship; 2000 April 25-27; Flagstaff, AZ. Proceedings RMRS-P-22. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 161-165.
Year: 2001
Drying Hardwood Lumber focuses on common methods for drying lumber of different thickness, with minimal drying defects, for high quality applications. This manual also includes predrying treatments that, when part of an overall quality-oriented drying system, reduce defects and improve drying…
Author(s): Joseph Denig, Eugene M. Wengert, William T. Simpson
Keywords: Hardwoods, Lumber, Drying methods, Kilns, Warping, Wood defects
Source: (General technical report FPL ; GTR-118):iv, 138 p. : ill. ; 28 cm.
Year: 2000
During the past century, millions of structures were built from sawn lumber and timber. When these structures reach the end of their service lives, contemporary practices emphasize landfill disposal. In recent years, the public has expressed a strong interest in developing environmentally…
Author(s): R. H. Falk, D. W. Green, S. C. Lantz
Keywords: Lumber, Recycled wood, Wood properties, Testing, Strength testing
Source: Forest products journal. Vol. 49, no. 5 (May 1999).:p. 49-55.
Year: 1999
This report describes how lumber can be air-dried most effectively under outdoor conditions and illustrates the principles and procedures of air-drying lumber that were developed through field investigations and observations of industrial practices. Particular emphasis is placed on the yarding of…
Keywords: Lumber, Air drying, Wood moisture, Wood properties, Wood defects, Shrinkage, Timberyards, Lumber--Drying, Wood--Moisture
Source: (General technical report FPL ; GTR-117):62 p. : ill., maps ; 28 cm.
Year: 1999
Summarizes information on wood as an engineering material. Presents properties of wood and wood-based products of particular concern to the architect and engineer. Includes discussion of designing with wood and wood-based products along with some pertinent uses.
Author(s): Forest Products Laboratory
Keywords: Physical properties of wood, Mechanical properties of wood, Lumber, Plywood, Wood anatomy, Building material, Wood technology, Structural wood, Wood preservation, Fire resistance, Wood moisture, Finishes, Particleboard, Fiberboards, Paperboard, Timber connector, Improved wood, Wood structure, Wood-based composites, Panel products, Design, Fastenings, Drying, Gluing, Finishing, Wood decay, Sandwich construction, Wood-based products
Source: General technical report FPL ; GTR-113. Madison, WI : U.S. Department of Agriculture, Forest Service, Forest Products Laboratory: xi, [463] pages : ill. ; 28 cm.
Year: 1999
This paper finalizes research on graded Douglas-fir 2 by 4 beams subjected to constant bending loads of various levels and durations. Compared to results for testing in a controlled environment, results confirm that load duration did not appear to be shortened by tests in an uncontrolled…
Author(s): Charles C. Gerhards
Keywords: Pseudotsuga menziesii, Lumber, Creep, Grading
Source: Wood and fiber science. Vol. 32, no. 4 (Oct. 2000).:p. [489]-501 : ill.
Year: 2000
Properties and grade yield are estimated for structural lumber produced from No. 3, No. 4, and low-end No. 2 grade western hemlock logs of the type previously used primarily for the production of pulp chips. Estimates are given for production in the Structural Framing, Machine Stress Rating, and…
Author(s): David W. Green, Kent A. McDonald, John Dramm, Kenneth Kilborn
Keywords: Western hemlock, Timber&#151, Grading, Lumber&#151, Grading, Pulpwood&#151, Grading, Tsuga heterophylla, Structural timbers, Lumber, Logs, Grading, National forests, Alaska, Tongass National Forest
Source: (Research paper FPL ; RP-583):15 p. ; 28 cm.
Year: -1
This paper summarizes the results of load tests on an experimental highway bridge erected and put into service on the George Washington National Forest in Virginia in 1977. The bridge, made entirely of Press-Lam, a laminated veneer lumber (LVL) product, was load tested 1 month, 1 year, and 5…
Author(s): D. S. Gromala, R. C. Moody, M. M. Sprinkel
Keywords: Performance, Bridges, Loads, Testing, Laminated wood, Veneers, Lumber, George Washington National Forest
Source: (Research note FPL ; 0251):7 p. : ill ; 28 cm.
Year: 1985