Analysis of viscoelastic behaviour of rock salt using hydraulic cylindern test

摘要

One of the main challenges in the design of a salt mine using the well-known room and pillar method is reliable prediction of the viscoelastic behaviour of rock salt. Part of the problem lies in the fact that the test specimens in the laboratory do not behave in the same way as observed at the mine under in situ conditions. Moreover, in situ strain measurements by means of convergence technique or extensometers in a specific mine cannot easily be generalised and used in other locations, due to t