TERRATEC TBM breakthrough at Bangkok Purple Line’s toughest crossing
A TERRATEC Earth Pressure Balance TBM has broken through Sam Yot Station on Bangkok's MRT Purple Line — its third tunnel drive through a single station crossing widely regarded as…
A TERRATEC Earth Pressure Balance TBM has broken through Sam Yot Station on Bangkok's MRT Purple Line — its third tunnel drive through a single station crossing widely regarded as…