Problem 5.1

 

"Glulam depths today are multiples of the lamination thickness, that is, multiples of either 1.5 inches or 3/4 inches (multiples of 1.375 inches for southern pine)."

-- Structural Design in Wood by JJ Stalnaker and EC Harris, Springer, 1997, page 163

 

These values and their uses are discussed in NDS section C5.1.3 and textbook section 5.2.