If you find reading plans and wood board sizes confusing or have trouble identifying the exact dimensions of wood at a lumberyard or home center, read on. Most lumber is sold in “nominal” (in ...

However, the larger section properties obtained using the rough-sawn dimensions are used in this example. Refer to Sec. 4.11 for information on lumber sizes. In this problem the basic shear adjustment ...

Allowable unit stresses apply only for loading for which lumber is graded. Lumber is usually designated by a nominal size. The size of unfinished lumber is the same as the nominal size, but the ...