Tunnel length: 1.65 kilometers
Geological conditions: high water pressure, deep overburden, complex soft and hard rock formations
Shield type: mud-water shield 6.7 m
Product type: Shield tail 2200 barrels
Geological conditions: high water pressure, deep overburden, complex soft and hard rock formations
Shield type: mud-water shield 6.7 m
Product type: Shield tail 2200 barrels
Xiangya Road Crossing River Project, China Railway Construction 14th Bureau
Tunnel length: 1.425 km / 1.429 km
Geological conditions: high water pressure, deep overburden, complex soft and hard rock formations
Shield type: mud-water shield 15.01 m
Product type: Shield tail 2200 barrels
Geological conditions: high water pressure, deep overburden, complex soft and hard rock formations
Shield type: mud-water shield 15.01 m
Product type: Shield tail 2200 barrels
Shantou Suaiwan Tunnel, China Railway Tunnel Bureau
Tunnel length: 3.048 kilometers
Geological conditions: soft soil, sandy soil, granite boulders, composite strata
Shield type: mud-water shield 14.96 m
Product type: Shield tail 1500 barrels
Geological conditions: soft soil, sandy soil, granite boulders, composite strata
Shield type: mud-water shield 14.96 m
Product type: Shield tail 1500 barrels
Natural gas pipeline project, China Railway Tunnel Bureau
Tunnel length: 10.226 kilometers in one direction
Geological conditions: mudstone, silty sandstone
Shield type: mud-water shield 7.95 m
Product type: Shield tail 2200 barrels
Geological conditions: mudstone, silty sandstone
Shield type: mud-water shield 7.95 m
Product type: Shield tail 2200 barrels
Tunnel length: 4.97 / 3.66 / 5.712 / 9.215 kilometers
Geological conditions: silty clay, fine sand, gravel
Shield type: 9m / 14.2 m
Product type: black oil/shield tail (110/1300 barrels)
Geological conditions: silty clay, fine sand, gravel
Shield type: 9m / 14.2 m
Product type: black oil/shield tail (110/1300 barrels)
Tunnel length: 3.05 km / 2.97 km
Geological conditions: hard rock, soft rock, quartz sandstone
Shield type: 16.03m / 14.93 m
Product Type: Black Oil / Shield Tail (220 / 1900 barrels)
Geological conditions: hard rock, soft rock, quartz sandstone
Shield type: 16.03m / 14.93 m
Product Type: Black Oil / Shield Tail (220 / 1900 barrels)