Abstract
The exponential increase in urbanization has heightened the demand for a systematic and rapid mass transportation system in developing countries. One efficient solution has been the construction of underground networks of tunnels using Tunnel Boring Machines (TBMs). Urban tunnels, however, require careful attention to minimizing ground disturbances to avoid adverse impacts on existing infrastructure. The current study focuses on a parametric investigation based on observed trends from the Kolkata East West Metro UG1 project. It undertakes numerical regression to establish correlations, aiming to investigate geotechnical parameters derived from observed operational parameters during tunnel advancement. This correlation allows for the determination and validation of considered geotechnical parameters in real-time, thereby facilitating the optimization of operational parameters. By establishing correlations, the study examines and validates the effect of geotechnical parameters on observed settlement. In conclusion, the consideration of tunnel operational parameters and subsequent establishment of geotechnical parameters can potentially automate the functioning of mechanized tunnelling, leading to more efficient and effective tunnel construction processes.
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