| 摘要 |
PROBLEM TO BE SOLVED: To provide an effective and proper method capable of easily increasing the bearing force of an H-steel pile. SOLUTION: When the H-steel pile 1 is driven into a ground, a pouring tube 2 for pouring a solidification material S into the ground is integrally fixed to the H-steel pile therealong beforehand. An outlet 3 for the solidification material is formed at least at the end of the pouring tube. After the H-steel pile is driven into the ground together with the pouring tube, the solidification material is supplied under pressure from the surface of the ground into the pouring tube for flowing it out of the outlet and injecting it into the peripheral ground under pressure. By the injection of the solidification material under pressure, the peripheral ground is compacted and the ground is improved. Also, the solidified body formed, as an enlarged-diameter part 8, by solidifying the solidification material is integrally formed around the H-steel pile. COPYRIGHT: (C)2009,JPO&INPIT
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