Integrated Interpretation of the Results of Long-Term Geotechnical Monitoring in Underground Tunnels Using the Electromagnetic Radiation Method

Electromagnetic radiation (EMR) technology makes it possible to evaluate changes in the stress-strain state (SSS) “tunnel lining-enclosing rock mass” system at a high level of interference, and create schemes long-term EMR control tunnels (geotechnical monitoring systems). The issues variations signals are extremely important for systems: based on anomalous deviations from normal regime one can draw conclusions about SSS, leading geodynamic phenomena (e.g., bursts). This article presents data obtained during laboratory studies samples field transport tunnels. Also, some results geotechnical by set methods is presented: tensometry tunnel lining, both automatic mode. ability an respond earthquakes affecting structures shown. An analysis was conducted, which showed periodic oscillation system. In stable compressed state, minima pulses recorded; when mass lining material stretched, charges separated edges micro-defects increases; complete separation leads termination intense EMR. same occurs opposite direction compression micro-fractures concrete lining. periods expansion closely related temperature fluctuations. differ detail and, therefore, be more confident, additional needed various host massifs types