| 摘要 |
PURPOSE: A method for repairing a manhole is provided to prevent the surface of a road from being subsided by securely supporting the surface of the road using a reinforcement frame. CONSTITUTION: A method for repairing a manhole is as follows. The surrounding of the manhole is excavated. Reinforcement frames(22) are installed in the bottom surface and one surface of manhole cover supports(12). Mortar is injected to the bottom surface of the reinforcement frames and is hardened. The manhole cover supports are installed in the top of the mortar. The manhole cover supports are integrally hardened by filling mortar inside the reinforcement frames. The surrounding is cleaned. |
