Exam 14: Materials for Wood Construction-Ii Engineered Wood Products, Fasteners, and Connectors

Balanced glulam beams are mandated for

An unbalanced glulam beam can only be used as a single- span beam, while a balanced glulam beam can be used in all situations. Why then, are unbalanced glulam beams made?

The structural wood panels (plywood and OSB)are graded for durability with respect to weather exposure in two classifications. State the classifications and the differences between them.

In specifying a wood roof truss for a project, its slope, overall geometry, and the loads imposed on it are determined by the architect in consultation with the structural engineer. The structural design of the truss is, however, not done by the project's structural engineer. Who, then, prepares the structural design of the truss, and what is the role of the architect and the project's structural engineer after the truss design has been completed?

What is the most commonly used lumber size in making floor trusses, and what is the width of such a truss?

What is a balanced glulam beam?

I- joists can be used in place of sawn lumber joists in the construction of a wood floor. Which of the two (lumber joists or I- joists)yields a lighter floor?

Using a sketch, explain the difference between a roof truss and a floor truss. In which situations will you consider the use of wood floor trusses?

Explain what a laminated veneer lumber (LVL)member is and what it is typically used for.

What is the difference between the terms "floor sheathing" and "subfloor"?

Laminated veneer lumber (LVL)and plywood members are both made by gluing together approximately 1/8- in.- thick wood veneers. What is the difference between the two members in how the wood grain in veneers is oriented?