Project description
Water intake tunnel (Raw Water Intake) Part of the new construction of a steelworks near Rio de Janeiro
Undercutting of the main access road to the construction site using the DN 2200 pipe jacking method (L = 130 m) with little overburden. Subsoil: cohesive alluvial soils with a soft, partly mushy consistency, groundwater level at ground level
Commissioned services
Planning the pipe jacking work with a slurry TBM or with a bonnet shield
Determination of the requirements for the tunnelling system, the jacking pipes and the process engineering installations in the starting and target shafts
Dimensioning of the necessary ground improvement measures
Client
TK-CSA ThyssenKrupp Companhia Siderúrgica, Rio de Janeiro, Brazil
Performance period
since 2007
Contact person
Dipl.-Ing. Holger Jud