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This study investigates the impact of pipe-jacking tunneling on existing tunnels in soft soils, focusing on the Ningbo Metro Line 3. Field monitoring and numerical analysis using a Burger-creep visco-plastic model reveal that the deformation of existing tunnels can be categorized into four stages and that effective protection measures can significantly reduce deformation. The findings highlight the importance of considering rheological effects and implementing soil improvement techniques during adjacent tun

Author

Bew Wich Jr.

Language

EN