| 摘要 |
PURPOSE:To exactly penetrate a pile into the ground by providing a vertically movable penetrating blade to be positioned for its tip downwards from the lower end of a pile when a body is grasped by a chuck along the pile and the pile is penetrated into the body. CONSTITUTION:Existing piles (a) are grasped by clamps 10, and a penetrator 5 together with a pile 4 to be penetrated is grasped by the chuck 3 of a static load type pile constructor 2. In this case, the tip of a penetrating blad 7 is positioned downwards from the lower end of the pile 4. A static pushing load is applied to the chuck 3, the pile 4 is penetrated into the ground, and the blade 7 is pushed down in relation to the pile 4 by an oil-pressure cylinder plunger device 8. The pile 4 can thus be exactly penetrated with the aid of the preceding penetration of the blade 7 into the ground. |
