| 摘要 |
The invention concerns an arrangement for a rock bolt 1 that is intended to be embedded in grout in a borehole 16, where the rock bolt is equipped with a longitudinal tube 2 with a passage 7, where an extended electrically conducting sensor 10 that is introduced into the passage of the tube and that the sensor is connected with the anchoring end of the rock bolt, a monitoring arrangement 15 designed to be connected to the rock bolt 1, that an electrically conducting circuit 33 is formed through the connection of the rock bolt 1, the sensor 10 and the monitoring arrangement 15, and that the monitoring arrangement demonstrates evaluation means 35 intended to evaluate the presence of changes in the condition of the bolt, and signalling means 36 designed for the signalling of the condition of the bolt. The invention concerns also a method for the use of the said arrangement and a reinforcement system comprising such an arrangement. |
