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Firm Soil

SHALLOW FOUNDATION IN FIRM SOILSHALLOW  FOUNDATION  IN  FIRM  SOIL

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Weak SoilWeak Soil

Firm Soil

PILE  FOUNDATION  IN  WEAK  SOIL

TYPE OF PILE

DISPLACEMENT(DRIVEN PILE)

1. R/C SQUARE PILE

CAST IN PLACE 

1. MICROPILE PILE

2. SPUN PILE 2. BORED PILE

3. STEEL H PILE 3. CAISSON

BORED PILE

CAISSON

PILE TYPE & RANGE OF APPLICATION

COMPARISON OF PILES COMPARISON OF PILES

Driven PileDriven PileAdvantage- Lower cost

P id hi h l d th th il ith - Provide higher load than other piles with the same size

Disadvantage- Cannot pass through hard layers (Depth

limitation)limitation)- Transportation limitation (Likewise length

limitation)Vibration developed during installation- Vibration developed during installation

B d PilBored  PileAdvantageN li i i i d h d i‐ No  limitation  in  depth  and  size(depends  on  the  rig  size)C th h h d l ( lti l il l )‐ Can  pass  through  hard  layer (multiple  soil  layer)

‐ Less  vibration  developed  during  installation

DisadvantageHi h t‐ Higher  cost

‐ Gives  lower  load  capacity  than  driven  pileith th iwith  the  same  size