| 摘要 |
PROBLEM TO BE SOLVED: To provide an advancing pipe and a joint dispersing a stress applied on a bent part and causing hardly damage of a concrete pipe and deviation of a shaft axis of front and rear advancing pipes during pressing and advancing when the advancing pipe is embedded by a curve jacking method. SOLUTION: Tow ringlike mounting panels 1, 8 on which bearing parts 1, 1 or 5, 5 are provided and protrude on both sides thereof are provided by opposing the bearing parts 1, 5 and are screw-fitted by two shafts 9, 9 to constitute a bent member X connected so as to bent freely. Breakage stop bands 2, 6 and anchors 3, 7 are provided on an outer side of the ringlike mounting panels 1, 8 of the bent member X to form concrete pipes 10, 11 integrally. |
