1.2A SEISMIC & LIFE SAFETY CODES

Question 1

Seismic Analysis

Answer 1

The study of how earthquakes affect buildings and the soils below.

Question 2

Ground Shaking

Answer 2

Ground shaking is responsible for 99% of building damage. Areas close to large active fault lines are more likely to be severely shaken.

Question 3

Landslide

Answer 3

Earthquakes can trigger landslides, sending soil and rock downhill to break apart buildings on the hill, and damaging structure below.

Question 4

Fault Rupture

Answer 4

The ground surface cracks open between two sides of a fault line during an earthquake. Any building over an active fault may be torn apart if the ground below it ruptures. If a building is built over a slow-moving, creeping fault, the damage may not be noticed for some time.

Question 5

Lateral Spreading

Answer 5

Intense shaking during an earthquake can cause the soil to break into blocks which separate from each other. This can cause damage to the building foundation.

Question 6

Liquefaction

Answer 6

During an earthquake, loose, wet, or sandy soil can shake so much it acts like quicksand, losing its ability to support the building. This can cause the building foundation to sink or tilt.

Question 7

Tsunami

Answer 7

A tsunami is a series of large sea waves caused by an underwater earthquake or landslide. Coastal areas are prone to tsunami damage. Tsunami waves can come from a great distance and can cause flooding or wash away houses in low-lying areas along the shore.

Question 8

Dam Failure

Answer 8

Earthquake damage can cause catastrophic failure of a dam, releasing a sudden and devastating flood.

Question 9

Life Safety

Answer 9

Connects several aspects of the building constructions, including floor area building height, material fire resistance and compartmentation. It also affects design and material decisions, such as wall finishes, equipment, furnishings and storage.