Chapter 6

Question 1

Two strategies used to asses soil are

Answer 1

test pits

test borings

Question 2

test pits

Answer 2

reach a depth up to 8 feet

Question 3

test borings

Answer 3

are used when a test pit may not reach deep enough

Question 4

Wall footings AKA Strip footings

Answer 4

type of shallow foundation that incudes a wide thick area to distribute the weight of a wall n the bearing soil

Question 5

Grillage footing

Answer 5

Footing consisting of layers of beams placed at right angles to each other and usually encased in concrete

Question 6

Mat slab foundation

Answer 6

Thick slab beneath the entire area of a building a mat may be several feet thick and heavily reinforced

Question 7

Floating foundations

Answer 7

the weight of the soil removed is equal to the weight of the building, the total weight supported at each soil layer beneath the building remains the same before and after excavation

Question 8

Piles are

Answer 8

driven into the ground and support a loady by transferring the load either through friction with the surrounding soil or through contac with rock or stable soil layer

Question 9

Peirs

Answer 9

are a system of upright posts mounted to wedge shaped concrete piers that transfer the weight of the structure to the ground

Question 10

Materials most commonly used for foundation walls

Answer 10

Concrete and masonry block secured with mortar

Question 11

Expanded polystyrene (EPS)

Answer 11

closed cell foam used for a growing number of purposes including building insulation properties include rigidity low weight and formability

Question 12

Types of Settlement movement (3)

Answer 12

Settlement- downward movement

Heaving - Upward movement

Lateral displacement- Outward movement

Question 13

Shoring refers to

Answer 13

temporary supports