Structure Inspection Section#1 Footings and Foundations Quiz#8

You should have finished Study Session 7 and Quick Quiz 7 before starting this Study Session.

The estimated completion time is 45 minutes.

Objectives
At the end of this study session, you should be able to:

• Describe the causes of foundation mortar deterioration and spalling.
• Identify foundation mortar deterioration and spalling.
• Describe the implications of foundation mortar deterioration and spalling.

Give two causes of mortar deterioration in foundations.

1. Poor quality mortar

2. Moisture penetration problems

Give two causes of spalling of foundation masonry.

1. Moisture penetration through the foundation wall from outside (usually over the long term)

2. Low quality concrete, or poor installation practices

3. Masonry not intended for use below grade

4. Freeze/thaw cycles

How can you tell the difference between a cinder block wall and a concrete wall?

Cinder block has a rougher, darker texture than concrete block and is made from rock slag

In your own words, describe spalling.

Spalling is splitting, chipping, crumbling, or splintering of masonry or concrete.

Which foundation would be more likely to be damaged by water?

cinder block

Which is stronger?

poured concrete wall

Which of the following is required by the Standards?

Probing wood to identify rot