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Filtering by: Subject Douglas fir -- Mechanical properties -- Testing Subject Strength of materials

Strength of southern pine and Douglas-fir compared

Creator:

Forest Products Laboratory (U.S.)

Abstract:

Revision of earlier publication.

Resource Type:

Technical Report
Strength of southern pine and Douglas-fir compared

Creator:

Forest Products Laboratory (U.S.)

Resource Type:

Technical Report
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

Full Text:

: Stiffness of Douglas-fir Lumber: Effects of Wood Properties and Genetics. Abstract approved
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

Full Text:

valued of specimens of the control groups, were made in a 1,000- pound capacity mechanical-testing