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Piles are structure members of timber,concrete ,and/or steel that are used to transmit surface QZvQ8
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loads to lower levels in the soil mass. This transfer may be by vetical distribution of the load $EFS_*<X
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along the pile shaft or a direct application of load to a lower stratum through the pile point. A C:Rs~@tl
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vetical distribution of the load is made using a friction(or floating)pile and a direct load geyCS3
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application is made by a point ,or end-bearing ,pile. This distinction is purely one of j_90iP^5:
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convenience since all piles carry load as a conbination of side resistence and point bearing PdO"e
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except when the pile penetrates an extremely soft soil to a solid base. Qt4mg?X/
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——Foundation Analysis and Design