| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tip diameter enlarged pile which can obtain high workability and a high tip supporting force without decreasing economical efficiency and while suppressing the amount of removed soil. <P>SOLUTION: A tip diameter enlarged pile 1 for constructing the consolidation of foundation with a fluid solidifying material includes: a steel pile 2; an outer shell steel pipe 3 which is disposed so as to cover the outer peripheral surface of an installation direction tip of the steel pile 2 and has a larger diameter and a shorter shaft than the steel pile 2; a plurality of rib plates 4 which are disposed so as to radially separate a space formed between the outer peripheral surface of the steel pile 2 and the inner peripheral surface of the outer shell steel pipe 3 and join the steel pile 2 and the outer shell steel pipe 3; and a plurality of installation direction nozzles 5 which are disposed at constant intervals in the circumferential direction of the outer or inner peripheral surface of the installation direction tip of the steel pile 2 and inject water or the fluid solidifying material in the installation direction of the steel pile 2. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
