Wood Structures

Question 1

Refers to wood members that have been manufactured by cutting a member directly from a log.

Answer 1

Sawn lumber/solid sawn lumber

Question 2

Small pieces of lumber graded into
laminating stock then glued and laid
up to form larger wood members.

Answer 2

Glue-laminated timbers/glulams

Question 3

Material graded by visual inspection.

Answer 3

Visually graded structural lumber

Question 4

It includes the grade, the species or species group, and other pertinent information.

Answer 4

Grade stamp

Question 5

Lumber grade with recognized mechanical properties for use in structural design.

Answer 5

Stress grade

Question 6

A grading by a non-destructive test, typically highly automated and takes very short time.

Answer 6

MSR lumber

Question 7

Grading rules for commercial
wood species

Answer 7

Western Wood Products Association (WWPA) rules and West Coast Lumber
Inspection Bureau (WCLIB) rules.

Question 8

Smaller sizes of structural lumber. Size usually ranges from 2x2 through 4x16.

Answer 8

Dimension lumber

Question 9

Larger sizes with smallest size of 6x6.

Answer 9

Timbers

Question 10

It is a unique material, and its proper use may require a number of adjustment factors.

Answer 10

Wood