| 摘要 |
PURPOSE: A horizontal collecting pipe installation method of riverside filtering water by perforation and propulsion and an installation apparatus therefore are provided to install pipes for supplying gas and air within a horizontal collecting pipe, to uniformly fill filtering material near a strainer pipe, and to safety and rapidly execute the construction without influence of geological features. CONSTITUTION: A horizontal collecting pipe installation method of riverside filtering water by perforation and propulsion is provided to the steps of installing a guide device in the place in which a vertical collecting well is installed, installing a vertical collecting well(10) having a short pipe for installing a horizontal collecting pipe(40), installing a hydraulic propulsion device and a boring device in the vertical collecting well, boring in a casing pipe(30), installing a casing pipe by pressure-insertion, removing a boring shaft from the casing pipe, installing a water-stopping rod in the casing pipe, installing the horizontal collecting pipe in the casing pipe, installing and water-stopping a perforated air diffuser pipe after installing a connection adapter in the horizontal collecting pipe, stabilizing a filter layer while supplying the compressed air into the horizontal collecting pipe after removing the casing pipe, installing a water-stopping valve at the inlet of the horizontal collecting pipe, and removing a water-stopper from the horizontal collecting pipe. |
