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Piles are structure members of timber,concrete ,and/or steel that are used to transmit surface 2_Qzc&"[
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loads to lower levels in the soil mass. This transfer may be by vetical distribution of the load "O`;zC
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along the pile shaft or a direct application of load to a lower stratum through the pile point. A Z:Wix|,ONS
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vetical distribution of the load is made using a friction(or floating)pile and a direct load I~I%z'"RQd
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application is made by a point ,or end-bearing ,pile. This distinction is purely one of t
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convenience since all piles carry load as a conbination of side resistence and point bearing 6~s,j({^
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except when the pile penetrates an extremely soft soil to a solid base. {)M4h?.2
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——Foundation Analysis and Design