Pile foundation.
Pile foundation are slender, circular member of timber, hollow pipes, or RCC , either driven or cast in situ. Due to slender ness pile are not used in those bridges where scouring are involved. Pile are classified as under.
i. Based on load
a. Friction Pile – it transfer load by skin friction
b. Bearing Pile – it transfer load by end bearing
c. Bearing cum friction pile - it transfer load by skin friction and end bearing
ii. Based on construction method.
a. Driven – Pre cast pile and cast in Situ pile
b. Bored Pile - cast in situ pile and compact pile
iii. Based on construction material.
a. Timber Pile
b. Steel pile
c. RCC Pile
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