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Abstract

Summary

An analysis of vertical surface displacements above the metro between the “Demiivska” and “Lybidska” stations in Kyiv was conducted, where tunnel lining deformations were detected in December 2023. Five vertical displacement maps were obtained using the D-InSAR method for the period from March 2022 to December 2023. Anomalous zones (maximum deviations compared to background values) were identified, and surface dynamics were tracked across five observation periods. The Gaussian Process Regression method was applied to analyze displacement data. A predictive mathematical model was developed in Python based on a custom algorithm.

For the first time, predicted vertical displacement values were determined for the area above the metro track. The obtained predictions closely align in magnitude with the average observed values. The greatest discrepancies between predicted and observed values indicate that factors influencing the underground tunnel deformation are present both directly above it and in its immediate vicinity. The reliability of the developed model may be affected by uncertainties such as the rapid commencement of repair works or water supply network failures. Therefore, the model requires consideration of both anthropogenic and natural factors, including changes in engineering-geological conditions.

The Gaussian Process Regression method is suitable for predicting vertical surface displacements at the object level and can be utilized in other areas with underground infrastructure for hazard prediction and early warning of emergencies.

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/content/papers/10.3997/2214-4609.2025510054
2025-04-14
2026-02-19
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