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Filtering by: Subject Douglas fir -- Mechanical properties -- Testing Subject Sitka spruce -- Mechanical properties

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

Full Text:

seconds for Douglas-fir at standard testing speed and taking about 300 sec- onds to reach maximum load to
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

Full Text:

mechanical testing machine of 1,000 pounds capacity. The specimen was supported 1 inch from each end and was
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