Allowable Unit Load for Douglas Fir Lumber Calculator

Category	Engineering ↺
Engineering	Civil ↺
Civil	Timber Engineering ↺
Timber-Engineering	Solid Rectangular or Square Columns with Flat Ends ↺

✖Length of column is the distance between two points where a column gets its fixity of support so its movement is restrained in all directions.ⓘ Length of column [l]			+10% -10%
✖Least dimension of lumber cross section is the smallest dimension of the lumber (log or timber) cross section. ⓘ Least dimension of lumber cross section [d]			+10% -10%

✖Allowable unit load for Douglas fir is the maximum load that can be given on the cross section of Douglas fir. Allowable load/area of cross section, gives the allowable unit load.ⓘ Allowable Unit Load for Douglas Fir Lumber [Q/A]

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Allowable Unit Load for Douglas Fir Lumber

Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has created this Calculator and 100+ more calculators!

Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has verified this Calculator and 100+ more calculators!

< 11 Other formulas that you can solve using the same Inputs

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allowable unit load for southern cypress=1450*(1-0.00000162*(Length of column/Least dimension of lumber cross section )^4) GO

Allowable Unit Load for Southern Cypress Lumber

allowable unit load for southern cypress=1100*(1-0.00000168*(Length of column/Least dimension of lumber cross section )^4) GO

Allowable Unit Load for Hemlock Lumber

allowable unit load for southern cypress=700*(1-0.00000097*(Length of column/Least dimension of lumber cross section )^4) GO

Radius of Gyration for Single Curvature Bent Member when Load Reduction Factor is Given

Radius of gyration of gross concrete area=1.07-(0.008*Length of column/Long column load reduction factor) GO

Radius of Gyration for Fixed End Columns when Load Reduction Factor is Given

Radius of gyration of gross concrete area=1.32-(0.006*Length of column/Long column load reduction factor) GO

Load Reduction Factor when the Member is Bent in a Single Curvature

Long column load reduction factor=1.07-(0.008*Length of column/Radius of gyration of gross concrete area) GO

Load Reduction Factor when the Ends of the Column are Fixed

Long column load reduction factor=1.32-(0.006*Length of column/Radius of gyration of gross concrete area) GO

Smallest Moment of Inertia Allowable at Worst Section for Wrought Iron

Area Moment Of Inertia=Allowable Load*(Length of column^2) GO

Smallest Moment of Inertia Allowable at Worst Section for Medium Carbon Steel

Moment of Inertia=Allowable Load*(Length of column^2) GO

Smallest Moment of Inertia Allowable at Worst Section for Low Carbon Steel

Moment of Inertia=Allowable Load*(Length of column^2) GO

Smallest Moment of Inertia Allowable at Worst Section for Cast Iron

Moment of Inertia=Allowable Load*(Length of column^2) GO

Allowable Unit Load for Douglas Fir Lumber Formula

Allowable unit load for Douglas fir=1200*(1-0.00000112*(Length of column/Least dimension of lumber cross section )^4)
Q/A=1200*(1-0.00000112*(l/d)^4)

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Ultimate Unit Load GO

Allowable Unit Load for Hemlock Lumber GO

Allowable Unit Load for Longleaf Yellow Pine Lumber GO

Allowable Unit Load for Southern Cypress Lumber GO

What is Douglas fir?

Douglas fir are medium to extreme sized evergreen trees (20-100 meters) used for construction (flooring, columns, etc.) due to its strength and hardness.

How to Calculate Allowable Unit Load for Douglas Fir Lumber?

Allowable Unit Load for Douglas Fir Lumber calculator uses Allowable unit load for Douglas fir=1200*(1-0.00000112*(Length of column/Least dimension of lumber cross section )^4) to calculate the Allowable unit load for Douglas fir, The Allowable Unit Load for Douglas Fir Lumber formula is defined as the maximum allowable load that can be carried by the cross section of Douglas fir (lumber). . Allowable unit load for Douglas fir and is denoted by Q/A symbol.

How to calculate Allowable Unit Load for Douglas Fir Lumber using this online calculator? To use this online calculator for Allowable Unit Load for Douglas Fir Lumber, enter Length of column (l) and Least dimension of lumber cross section (d) and hit the calculate button. Here is how the Allowable Unit Load for Douglas Fir Lumber calculation can be explained with given input values -> -112.340988 = 1200*(1-0.00000112*(5/0.0322580000002581)^4).

FAQ

What is Allowable Unit Load for Douglas Fir Lumber?

The Allowable Unit Load for Douglas Fir Lumber formula is defined as the maximum allowable load that can be carried by the cross section of Douglas fir (lumber). and is represented as Q/A=1200*(1-0.00000112*(l/d)^4) or Allowable unit load for Douglas fir=1200*(1-0.00000112*(Length of column/Least dimension of lumber cross section )^4). Length of column is the distance between two points where a column gets its fixity of support so its movement is restrained in all directions and Least dimension of lumber cross section is the smallest dimension of the lumber (log or timber) cross section. .

How to calculate Allowable Unit Load for Douglas Fir Lumber?

The Allowable Unit Load for Douglas Fir Lumber formula is defined as the maximum allowable load that can be carried by the cross section of Douglas fir (lumber). is calculated using Allowable unit load for Douglas fir=1200*(1-0.00000112*(Length of column/Least dimension of lumber cross section )^4). To calculate Allowable Unit Load for Douglas Fir Lumber, you need Length of column (l) and Least dimension of lumber cross section (d). With our tool, you need to enter the respective value for Length of column and Least dimension of lumber cross section and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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