Artificial ground freezing, liquid nitrogen, reuse, field experiment, frozen wall
Deep excavation, Diaphragm wall, Frost expansion, Ground freezing, Tunnel restoration
Tunnel boring machine, hazardous ground conditions, electrical resistivity survey, induced polarization survey, laboratory chamber test
Artificial ground freezing, Delta region, Experimental study, frozen soil, Nakdong River
Ground heat exchanger, Borehole thermal resistance, Cast-in-place energy pile, U-type heat exchange pipe, Thermal performance test
Tunnel boring machine, Ground settlement, Anomaly detection, Autoencoder