Structure Inspection Section#3 Wall System Quiz#1

This Study Session outlines the scope of wall systems. Masonry walls and the common conditions found with them are described.

The estimated completion time is one hour.

Objectives
At the end of this Study Session, you should be able to:

• List seven functions of walls.
• List four types of masonry walls.
• List seven common masonry wall problems.
• List eight items in a general approach to looking at cracks.
• List nine steps in crack analysis.

Briefly outline the nine steps involved in a step-by-step approach to crack analysis.

1. Number of cracks 
2. Continuity of cracks 
3. Type and orientation of cracks 
4. Amount and direction of movement 
5. Related problems 
6. Still active 
7. Cause 
8. Implications 
9. Recommended action

In a solid masonry wall, how are the two thickness (wythes) held together. (Name the two most common ways.)

1. header bricks

2. metal ties

List 10 common problems with masonry walls.

1. cracks

2. leaning

3. mortar deterioratioin or missing

4. wavy brick walls

5. excess corbelling

6. bricks installed on sides

7. prior repairs

8. bowing

9. bulging

10. to close to grade

List five loads that wall may see.

1. the dead loads from floors, walls and roofs above

2. snow loads

3. wind loads

4. earchquake loads

5. loads from people, furnishings and contents of houses

List seven functions of walls.

1. Carry live and dead loads to the flooring or foundation system

2. help house resist racking forces

3. support interior and exterior finishes

4. provide chaes for wires, pipes and ductwork for the house electrical and mechnical system

5. exterior walls accommodate thermal insulation to minimize heat loss and heat gain

6. wall assemblies provide sound isolation

7. walls provide spatial seperation within dwellings, affording privacy

List six materials that may be used for masonry walls.

1. brick

2. stone

3. concrete block

4. cinder block

5. clay tile

6. glass block

what are masonry walls that extend above the top floor ceiling joists susceptible to?

Leaning outward

When looking at cracks, what eight questions should you ask yourself as a general approach?

1. What kind of wall is it?

2. What has moved?

3. Which way has it moved?

4. How far has things moved?

5. Is it still moving?

6. Why has it moved?

7. What are the implications?

8. What should we do about it?

To help evaluate the cracks, many inspectors make a _____

Sketch

Which two masonry walls are most common on homes in North America?

Solid

Veneer

Lateral support for masonry walls can be provided by -

Floor systems

Roof systems

Interior walls

End walls

Masonry walls are strongest in -

Compression

Cracks analysis should be done only from the outside of the building.

False

Exterior and interior finish condition is part of the Structure inspection.

False