| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a comparatively low-priced pipe supporting device with a simple structure, having difficulty with the occurrence of rolling and capable of correcting the posture by itself even if the rolling occurs for the pipe supporting device used for a sleeve pipe jacking method for constructing fluid conveying piping used for water supply system, gas, sewerage system or the like by a non-cut and cover tunneling method. SOLUTION: For the pipe supporting device used for the pipe jacking method making a new pipe line by inserting an insertion opening of mains inserted in the sleeve in a socket provided to the rear end of the preceding mains to push it into the sleeve while joining it together, spherical bodies rolling by coming into contact with the inside of the sleeve are provided to both right and left ends of a supporing frame fixed to the circumference of the mains, and the pipe supporting device for the sleeve pipe jacking method is so constituted that the center of gravity of the pipe is positioned to the side lower than a horizontal line for connecting a contact between both right and left spherical bodies and the inside of the sleeve.</p> |
