| 摘要 |
A friction pile has an elongate columnar body which extends at least 1 m. down into the ground and is arranged to carry a structural load at its upper end. A number of rods or other elongate elements, each of smaller cross-sectional area than the body are connected at their upper ends to the pile body and extend in a direction with a downward component into the ground to shed at least a major portion of the structural load into the ground.
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