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The yield strength of Douglas fir timber can vary depending on factors such as the specific grade and moisture content, but it typically ranges from approximately 40 to 60 MPa (megapascals) for structural applications. This strength makes it a popular choice in construction and woodworking. It's important to refer to specific grading standards for precise values applicable to particular use cases.
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What has the author William Robert Wykoff written?
William Robert Wykoff has written: 'Simulation of growth and yield for a Douglas-fir plantation management model' -- subject(s): Douglas fir
Douglas fir tree of Oregon?
The Douglas fir tree is Oregon's state tree. It is a tall evergreen timber tree of Northwest North America, having short needles and egg-shaped cones.
What has the author O T Helgerson written?
O. T. Helgerson has written: 'Thinning young Douglas-fir west of the Cacades for timber and wildlife' -- subject(s): Forest thinning, Thinning, Douglas fir
What has the author David Bruce written?
David Bruce has written: 'Douglas-fir managed yield simulator' -- subject(s): Forest management, Computer programs, Douglas fir, Thinning, Forests and forestry, Measurement
What has the author Philip A Briegleb written?
Philip A. Briegleb has written: 'The yield of Douglas-fir in the Pacific Northwest measured by International 1/4-inch Kerf log rule' -- subject(s): Yields, Douglas fir
What has the author Donna A Johnson written?
Donna A. Johnson has written: 'The effect of forest stand thinning on selected strength and pulp-ing characteristics of Douglas-fir' -- subject(s): Forest thinning, Douglas fir
What is the latin name for Douglas fur tree?
The Latin name for the Douglas Fir is Pseudotsuga . There are a number of varieties that carry the name of Douglas. P.mensiesii is the Oregon Douglas Fir. P. macrocarpa is the Large-coned Douglas Fir. P. japonica is the Japanese Douglas Fir. P.caesia is the Fraser River Douglas Fir and P. glauca is the Blue Douglas Fir. Take your pick. Pseudotsuga means false hemlock.
Why Douglas-fir is endangered?
Douglas Fir grows in in the upper US and Canada.
What has the author Han-sup Han written?
Han-sup Han has written: 'Damage to young Douglas-fir stands from commercial thinning with various timber harvesting systems and silvicultural prescriptions' -- subject(s): Economic aspects, Douglas fir, Thinning, Wounds and injuries
Is it Douglas fir or Douglas fur?
"Fir". "Fur" refers to an animals hide or hair.
What has the author John H Wikstrom written?
John H. Wikstrom has written: 'Stratification of forest land for timber management planning on the western national forests / J.H. Wikstrom and S. Blair Hutchison' -- subject(s): Forest management, Timber 'A method of appraising second growth Douglas fir in western Oregon' -- subject(s): Douglas fir, Forests and forestry
What has the author E E Matson written?
E. E. Matson has written: 'Lumber grade recovery from Oregon coast type Douglas-fir' -- subject(s): Grading, Lumber, Douglas fir, Timber
