| 摘要 |
The present invention relates to a method for cleaning a tunnel bottom surface using a different kind of cleaning apparatus comprising: a cleaning preparing step (S10) of locating a cleaning apparatus with which a broom type brush device (100) is combined on a tunnel bottom surface; a primary cleaning step (S20) of removing stone and sand residues by scratching the tunnel bottom surface by operating the broom type brush device (100) forward and backward; a device separating step (S30) of separating the broom type brush device (100) from the cleaning apparatus; a device replacing step (S40) of combining a roller type brush device (200) with the cleaning apparatus; and a secondary cleaning step (S50) of removing other stone and sand residues by scratching the tunnel bottom surface by operating the roller type brush device (200). Therefore, a cleaning work of the tunnel bottom surface can be performed conveniently and efficiently. |
