| 摘要 |
The pile (2) is made from concrete reinforced with a frame of transverse (21) C-shaped and lengthwise (22) straight metal rods and end members. It is driven into the ground via. a hole drilled from a platform, and a series of piles is positioned so that the slot of one lies against the back of another to form a continuous wall. The cavities of the piles are then filled with concrete. |
