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CE 508 Foundation System [Exam 2]

Total questions: 67

Worksheet time: 38mins

Name
Class
Date
1.

More popular lengths and sizes are available on short notice

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

2.

Economical in cost

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

3.

They are handled easily, with little danger of breakage

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

4.

After driving, they can be easily cut to any desired length

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

5.

Can be extracted easily if needed

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

6.

May be difficult to obtain piles sufficiently long and straight

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

7.

Can be difficult or impossible to use in hard formations

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

8.

Difficult to splice

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

9.

Usually not suitable to use as end-bearing piles – better for friction bearing piles

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

10.

Have high resistance to chemical and biological attacks

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

11.

Have high load-carrying capacity

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

12.

Shop vs. Field

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

13.

Difficult to reduce or increase the length

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

14.

Large sizes require heavy and expensive handling and driving equipment

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

15.

Inability to quickly obtain piles may delay the start of a project

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

16.

Possible breakage of piles during handling or driving produces a delay hazard

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

17.

Noise levels during construction are minimized

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

18.

Little to no detrimental vibration to adjacent structures during construction

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

19.

Can be installed in areas w/ low overhead restrictions and minimum clearance

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

20.

Pile splicing is eliminated

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

21.

Require careful placement of the concrete to ensure a structurally sound shaft

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

22.

Soil and groundwater conditions can affect installation times and cost

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

23.

Due to construction technique, no penetration resistance correlation can be made about pile capacity

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

24.

Instances where uplift forces can be encountered requires installation of reinforcing steel, which can be difficult

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

25.

Best for deep, deep depths

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

26.

Easily cut and sliced

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

27.

Most common shapes:

Steel H Sections

Steel-Pipe piles

a)

Timber Piles

b)

Concrete Precast Piles

c)

Cast-in-Place Concrete Piles

d)

Steel Piles

28.

Small investment in equipment

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

29.

Simplicity of operation

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

30.

Ability to vary energy per blow by varying the height of fall

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

31.

Slow rate of driving piles

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

32.

Danger of damaging piles by lifting hammer too high

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

33.

Danger of damaging adjacent buildings as a result of the heavy vibration caused by a hammer

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

34.

Unable to use it directly for underwater driving

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

35.

Greater # of blows per minute permits faster driving

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

36.

Reduction in the velocity of the ram decreases the danger of damage to piles while driving

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

37.

Enclosed types may be used for underwater driving

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

38.

Require more investment in equipment

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

39.

They are more complicated, with higher maintenance costs

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

40.

Require more time to set up and take down

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

41.

Require a large crew to operate equipment

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

42.

Require a crane with a greater lifting capacity

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

43.

Requires no external source of energy – more mobile

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

44.

Economical to operate – fuel consumption for a 24,000 ft-lb hammer is 3 gal per hour

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

45.

Operates well in cold areas

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

46.

Hammer is light in weight compared to a steam hammer of equal rating

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

47.

Energy per blow increases as driving resistance increases

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

48.

Difficult to determine the energy per blow since it depends on driving resistance

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

49.

May not operate well in soft ground conditions – pile has to offer sufficient driving resistance to activate the ram

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

50.

Number of strokes per minute is typically less than for a steam hammer

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

51.

Length of a diesel hammer is slightly greater than the length of an air hammer

a)

Drop Hammer

b)

Compressed Air Hammer

c)

Diesel Hammer

52.

Support the weight of the structure and all applied loads and includes soil/rock supporting the structure

(a)  

53.

The steepest angle the soil can stand before sliding

(a)  

54.

Example: sand or gravel

a)

Cohesionless Soils

b)

Cohesive Soils

55.

Fail by sliding along a straight line at the angle of repose

a)

Cohesionless Soils

b)

Cohesive Soils

56.

Example: clay

a)

Cohesionless Soils

b)

Cohesive Soils

57.

Fail along a curved slip plane because they stick together bud can suddenly give away when too much weight/water builds up

a)

Cohesionless Soils

b)

Cohesive Soils

58.

Ground sinking

(a)  

59.

Pushing outward

(a)  

60.

Cracks that form before a slide happens

(a)  

61.

A reinforced concrete column constructed below the ground surface to transfer the load of a structure down to a stronger rock/soil layer

(a)  

62.

A structure to provide lateral support for an excavation and can be open or closed [pneumatic]

(a)  

63.

Steel rods or cables drilled into rocks to hold/stabilize things like retaining walls, slopes, or bridge supports

(a)  

64.

Cutting the sides of the trench at safe angles

a)

Sloping/Benching

b)

Shoring

c)

Shielding

65.

Using supports like metal/wood braces to hold walls up

a)

Sloping/Benching

b)

Shoring

c)

Shielding

66.

Using trench boxes/shields to protect workers inside

a)

Sloping/Benching

b)

Shoring

c)

Shielding

67.

Strongest to weakest soil that affects how steep the walls can be

a)

Clay
Silt
Sand

b)

Silt
Sand
Clay

c)

Sand
Clay
Silt

d)

Sand

Silt

Clay

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