老外的定义: kaO{#i2-
Piles are structure members of timber,concrete ,and/or steel that are used to transmit surface %~\
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loads to lower levels in the soil mass. This transfer may be by vetical distribution of the load jGiw96,Y
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along the pile shaft or a direct application of load to a lower stratum through the pile point. A -fPT}v
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vetical distribution of the load is made using a friction(or floating)pile and a direct load pK"&QPv
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application is made by a point ,or end-bearing ,pile. This distinction is purely one of D1ZC&B_}-
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convenience since all piles carry load as a conbination of side resistence and point bearing /.v_N%*-v
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except when the pile penetrates an extremely soft soil to a solid base. >)y$mc6
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——Foundation Analysis and Design