| 摘要 |
PURPOSE:To enable reinforced concrete to be cut with high efficiency by supplying working liquid between a rotary grinding wheel to which working voltage is applied and a reinforced concrete structure and moving the grinding wheel into contact with the concrete for discharge and electrolysis. CONSTITUTION:An electrode of a power supply unit A is connected to a conductive ring 2 of a disk grinding wheel 1 and reinforcing steel C of a concrete structure M, and working liquid is supplied from an injection nozzle B while the grinding wheel 1 is rotated and moved into contact with the structure M to apply working voltage between the grinding wheel 1 and the structure M. Thus, intermittent discharge phenomenon, electrolysis through the working liquid and mechanical grinding between the grinding wheel 1 and the structure M simultaneously proceed to cut the structure M. Further, the grinding wheel 1 is formed on the circular end surface alternatively with non-conductive polishing strip 5 and conductive strips 4. Thus, the concrete structure in which reinforcing steel is embedded can be cut high efficiency. |
