| 摘要 |
The method of restoring deformed arch to original form according to the present invention consists in that a system of lifting devices (7) is arranged below the arch and then using these devices, the arch (2) is lifted through a system of nets (3) to original form. The system of lifting devices (7) is usually arranged in the direction toward the arch (2) away from the arch (2) center (6). Prior arrangement of said system of lifting devices (7), there is mostly carried out removal of grounds of the arch (2) sagging. Prior lifting the arch (2), there is removed from extrados (2.1) a fill (1), mostly cinder, tile residues from construction and debris. Joints, created on the extrados (2.1) are then filled with mortar and after its hardening, the system of lifting devices (7) is removed. |
