Table 1 Advantages and Disadvantages of the Piles According to the Different Installation Methods
|
No. |
Advantage or Disadvantage |
Driven Piles |
Driven & Cast in place piles |
Bored Piles |
|
1 |
Pile integrity can be cheeked prior to installation |
Yes(adv) |
No |
No |
|
2 |
Pile can be driven to a pre-determined set (assuring that the bearing layer has been reached) |
Yes(adv) |
Yes |
No |
|
3 |
Ease of construction when water table is present |
Yes(adv) |
No |
No |
|
4 |
During installation the fresh concrete can be damaged due to ground water |
No(dis.) |
Yes |
Yes |
|
5 |
Possible squeezing of pile due to lateral earth pressure during installation (wasting , necking) |
No(dis.) |
yes |
Yes |
|
6 |
Can be used for marine structure |
Yes(adv) |
No |
Yes |
|
7 |
Soil density increases due to pile installation, increasing the bearing capacity of the pile |
Yes(adv) |
Yes |
No |
|
8 |
Length of pile can be adjusted in the field easily when needed |
No(dis.) |
Yes |
Yes |
|
9 |
Diameter of the pile can be large |
No(dis.) |
Yes |
Yes |
|
10 |
Create noise and vibration during installation |
Yes(adv) |
Yes |
No |
|
11 |
May create damage to nearby buildings due to horizontal ground movement and heave |
Yes(adv) |
Yes |
No |
|
12 |
The soil in the borehole can be inspected prior to installation |
No(dis.) |
No |
Yes |
|
13 |
Piles base can be enlarged |
No(dis.) |
Yes |
Yes |
|
14 |
Installation of the pile can be done under limited head room |
No(dis.) |
No |
Yes |
|
15 |
Extra reinforcement may be needed for the safe handling of  the pile prior to installation |
Yes(adv) |
no |
No |