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).