To provide a connecting method for a man-hole standing wall and a propulsive pipe capable of obtaining a connecting structure of the man-hole standing wall and the propulsive pipe maintaining cut-off efficiency even if displacement of the propulsive pipe is made after construction work.
A spacer ring 9 is fitted to the circumferential surface of the propulsive pipe 2 from the outside, at the same time, an insertion hole 5 in the man-hole standing wall 1 freely inserting the propulsive pipe 2 therein is closed by an inside form 10, and a columnar form 12 closing between the outside of the man-hole standing wall 1 and the inside of a shaft casing 3 of the outside thereof is installed. Then, A space 13 formed between both columnar forms 12 is filled with a mortar 6, and after the mortar 6 has been solidified, a ring-shaped recess section 7 removing the inside form 10 and the spacer ring 9 is formed. After then, the connecting method of the man-hole standing wall 1 putting a sealing member 4 having flexibility on the ring recess section 7 and the propulsive pipe 2 is obtained.
| WO/2005/080692 | ANNULAR RING ELEMENT |
| WO/2007/000298 | SHAFT CENTRE PART |
| JPS6033164 | [Title of the device] The portable ladder used for the lid for underground structures |
MORIYA TORU
Hideki Kita
Hiroshi Sakamoto