| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a start section or an arrival section for letting an excavator and a following jacking pipe start or arrive safely and inexpensively in a jacking method. SOLUTION: This structure of the start section or the arrival section for letting the excavator and the jacking pipe start from a shaft constituted by a wall body made of cement hardened body or arrive it safely is composed of a rectangular or circular through port having such size that allows the excavator to pass and provided on a soil retaining wall body positioned in the start section or the arrival section of the excavator, a partition plate installed to cover a through port part along an inner side face of the wall body, a rectangular or circular reinforcing frame abutted on the partition plate and installed along an inner peripheral face of the through port, and fiber mortar filling a space in the reinforcing frame. COPYRIGHT: (C)2009,JPO&INPIT
|
