FOUNDATION Transfers load from super structure to the natural
foundation (soil). Distribute the load uniformly to the soil.
Provide firm and level platform for the construction of super
structure. Provide stability against external forces such as wind,
rain, EQ, landslide etc. It avoids or reduce excessive settlement
(both uniform & differential).
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TYPES OF FOUNDATION SHALLOW FOUNDATION (D/B < 1) DEEP
FOUNDATION (D/B > 1)
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TYPES OF SHALLOW FOUNDATION Wall or Strip Footing Isolated or
Single Footing Combined Footing Cantilever or Strap Footing Raft or
mat Foundation
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WALL OR STRIP FOOTING
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ISOLATED OR SINGLE FOOTING
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COMBINED FOOTING
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CONTINUOUS FOOTING
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CANTILEVER OR STRAP FOOTING
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RAFT OR MAT FOUNDATION
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TYPES OF DEEP FOUNDATION Pile Foundation Well Foundation
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CLASSIFICATION OF PILES Method of load transfer Function or
action Composition and Material Installation
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METHOD OF LOAD TRANSFER End Bearing Pile Friction Pile
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END BEARING PILE
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FRICTION PILE
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FUNCTION OR ACTION Compaction Piles Tension or uplift piles
Anchor piles Fender piles Sheet piles
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COMPOSITION AND MATERIAL Timber Piles Steel Piles Concrete
Piles Composite Piles
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INSTALLATION Driven pile or Precast pile Cast in situ
piles
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Driven pile or Precast pile
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Cast in situ piles
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WELL FOUNDATION Well curb Cutting edge Steining Bottom plug Top
plug Well cap
