AVN-3700AH Herrenknecht AG For tunneling in tubing lining The size of the constructed tubing ring DA / DN 4300/3700 mm, the thickness of the ring 1000 mm Outside diameter of cutting - 4540 mm The inner diameter of the tunnel under construction is 3700 mm Driving grade up to 1200 m Two modes of excavation and water back...
AVN-1600D Herrenknecht AG For tunneling by pushing reinforced concrete pipes with and without lining. Reinforced concrete pipes DA / DN 1940/1500 mm L = 3000 mm Or reinforced concrete pipes DA / DN 1940 / 1660mm L = 3000 mm The outer diameter of the cutting - 2010 mm The inner diameter of the tunnel under construction ...
