Timber Lecture

Why do we use softwoods over hardwoods in construction?

• Softwoods are cheaper

• Softwoods grow faster

• Softwoods are more uniform/

  homogeneous

• All of the above

What is the process of determining the environmental impact of a product

• Cradle to Cradle Analysis

• Life Cycle Analysis

• Environmental Product Declaration

• Cradle to Grave Analysis

If you were designing a timber member, should you ensure most loads are applied perpendicular or parallel to the grain?

• Perpendicular

• Parallel

True or False: The part of the tree named the heartwood is where sap is pumped through the tree

• True

• False

If I have a timber member left outside, untreated over a humid summer month, should I expect it to decay?

• Yes

• No

Is this stamp from a visual inspection or is from a machine rated test

• Visual

• Machine

True or False: A great advantage of CLT is its ability to form strong beam and column elements

• True

• False

What is wrong with this piece of timber

• It has the beginning signs of decay

• Its LVL

• The treatment to prevent decay has negative effects

• There are incisions throughout

True or False: The bigger the timber member, the smaller the size factor

• True

• False

Why is this piece of timber on a steel plate?

• Timber should never directly bear on the ground

• The steel is to reorient forces to be applied parallel to the grain

• Prevent moisture getting into the timber

• Aesthetics