Metro tunnel between MS20 and MS21, Sofia, Bulgaria

Metro tunnel between MS20 and MS21, Sofia, Bulgaria

Sheet retaining walls, type Larssen 606 N and 607 N, H=12 m;
Length = 1662 m., Profile = 38 m2

Techical data Sheet retaining walls, type Larssen 606 N and 607 N, H=12 m; Length = 1662 m
Year 2013-2014