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Filtering by: Subject Douglas fir -- Mechanical properties Remove constraint Subject: Douglas fir -- Mechanical properties

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Estimating spatial changes in acoustic velocity in felled Douglas-fir stems

Creator:

Dowding, Bodie

Abstract:

To compete with other building materials, the wood products industry must find a way to increase value and lower costs. Wood stiffness is important for most wood uses. Value can be increased and costs can be lowered by sorting logs for stiffness in the woods using acoustic devices mounted on...

Resource Type:

Masters Thesis
Stiffness of Douglas-fir lumber : effects of wood properties and genetics

Creator:

Vikram, Vikas

Abstract:

Wood stiffness is one of the most important properties of lumber and veneer. We studied wood stiffness (modulus of elasticity, MOE), wood density, microfibril angle, and knots in a 25 year-old wind pollinated progeny test (50 families, ~ 373 trees) of coastal Douglas-fir to understand the potential for genetically improving...

Resource Type:

Masters Thesis
Relationship of locality and rate of growth to density and strength of douglas-fir

Creator:

Forest Products Laboratory (U.S.) and Drow, John T.

Abstract:

Information reviewed and reaffirmed 1965. Original report issued May 1957.

Resource Type:

Technical Report
Effect of prestressing on mechanical properties of douglas-fir and southern yellow pine

Creator:

Forest Products Laboratory (U.S.) and Wood, E. M. (Edward Manning), 1891-

Resource Type:

Technical Report
Properties of white-pocket douglas-fir lumber

Creator:

Wood, Lyman Wentsch, 1899- and Forest Products Laboratory (U.S.)

Abstract:

Information reviewed and reaffirmed October 1960.

Resource Type:

Technical Report
Effect of pressure treatment with coal-tar creosote on the strength of Douglas-fir structural timbers

Creator:

Forest Products Laboratory (U.S.), Luxford, R. F. (Ronald Floyd), 1889-, and MacLean, J. D. (James Donald)

Resource Type:

Technical Report
Effect of ten repetitions of stress on the bending and compressive strengths of Sitka spruce and Douglas-fir

Creator:

Forest Products Laboratory (U.S.)

Abstract:

Information reviewed and reaffirmed, July 1960. Original report dated April 1943.

Resource Type:

Technical Report
Effect of a single reversal of stress on the static and impact bending strength of Sitka spruce and Douglas-fir

Creator:

Forest Products Laboratory (U.S.) and Kommers, William J.

Abstract:

Information reviewed and reaffirmed, 1962. Original report published in 1943. This report is one of a series issued in cooperation with the Army-Navy-Civil Committee on Aircraft Design Criteria under the supervision of the Aeronautical Board.

Resource Type:

Technical Report
Effect of rapid loading and duration of stress on the strength properties of wood tested in compression and flexure

Creator:

Forest Products Laboratory (U.S.), Brokaw, M. P., and Foster, G. W.

Abstract:

Information reviewed and reaffirmed 1958.

Resource Type:

Technical Report
Comparative tests of white oak and douglas fir barrels

Creator:

Forest Products Laboratory (U.S.) and Wilson, T. R. C. (Thomas Randall Carson), 1884-

Abstract:

Information reviewed and reaffirmed 1958.

Resource Type:

Technical Report

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Academic Affiliation

Forest Ecosystems and Society1
Forest Engineering Resources and Management1

Advisor

Howe, Glenn T.1
Murphy, Glen E.1

Commencement Year

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Current results range from 2009 to 2011

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Unknown 12

Committee Member

Hailemariam, Temesgen1
Lachenbruch, Barbara1
Maguire, Doug1
Milota, Mike1
Stone, Robert1

Creator

Forest Products Laboratory (U.S.)12
Brokaw, M. P.1
Dowding, Bodie1
Drow, John T.1
Foster, G. W.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1919 to 2010

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Decade

2010-20191
2000-20091
1960-19694
1950-19595
1920-19292
1910-19191

Degree Field

Forest Engineering1
Forest Science1

Degree Level

Master's2

Degree Name

Master of Science (M.S.)2

File Format

application/pdf12

Language

English [eng]14

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School2

Peer Reviewed

No2

Resource Type

Technical Report12
Masters Thesis2

Rights Statement

Copyright Not Evaluated9
No Copyright - United States3
In Copyright2

Subject

Douglas fir -- Mechanical properties[remove]14
Southern pines -- Mechanical properties4
Strength of materials4
Sitka spruce -- Mechanical properties3
Wood -- Mechanical properties2
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