Ch 6 - Foundations

Question 1

Wall footing

Answer 1

Type of shallow foundation that includes wide, thick area to distribute the weight of a wall on the soil

Question 2

Column footing

Answer 2

Square pad of concrete that supports a column

Question 3

Grillage footing

Answer 3

Layers of beams placed at right angles to each other and encased in concrete

Question 4

Mat slab foundation

Answer 4

Thick slab beneath the entire area of building

Question 5

Floating foundation

Answer 5

Weight of soil removed is equal to the weight of the building Total weight supported by soil is same before and after

Question 6

Piles

Answer 6

Beams driven into ground relying on either friction or contact with bedrock

Question 7

Piers

Answer 7

Concrete pier poured into ground then a post is attached to the top of the pier

Question 8

Settlement

Answer 8

Downward movement of foundation

Question 9

Heaving

Answer 9

Upward movement

Question 10

Lateral displacement

Answer 10

Outward movement

Question 11

Shoring

Answer 11

Temporary supports for structural components

Question 12

Underpinning

Answer 12

The use of permanent supports to strengthen an existing foundation