| 摘要 |
The present invention relates to a driven concrete pile with an open lower part and a construction method thereof, which improve the supporting force of the pile by driving the front end supporting part of the bottom end of a concrete pile body into the natural ground through a residual slime layer in the bottom of a borehole. The driven concrete pile with an open lower part according to the present invention, which is driven and supported into the natural ground in the bottom of a borehole by downward pressing force or rotation force, comprises: a concrete pile body which has an open part; and a front end supporting part which has an open center and a cross section having a wide top and a narrow bottom, is formed in the bottom end of the concrete pile body, and is driven into the natural ground through the residual slime in the bottom of the borehole, wherein the front end supporting part is manufactured to be divided into upper and lower members having wide tops and narrow bottoms with inclined surfaces on the inner and outer sides thereof, and then the top surface of the lower member is coupled to the bottom surface of the upper member to adhere to the bottom surface of the upper member. The bottom end of the upper member has a width narrower than the thickness of the concrete pile body. |
