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Mud engineering for Tunnelling
Drilling Fluid Services for Tunnel Excavation
Within mechanized tunneling, slurry shields are used for excavations in soils with unstable tunnel face due to the possibility to support the tunnel face with pressurized slurry. The interaction between a bentonite suspension and subsoil is crucial for slurry shield driven tunnels. The slurry pressure counters both earth and water pressures in order to stabilize the tunnel face. Our mud engineers will assist you at all stages of the tunnel excavation starting from planning, to support during excavation and mud recycling management.
Our fields of expertise for tunnelling applications:
Assessment of geology, water conditions, STP setup
Determination of operational slurry KPls based for different ground conditions
Selection of slurry products under consideration of technical and economic aspects
Adaption of slurry KPls on any critical situations or changing ground conditions during excavation
Optimization of recycling process
Sludge dewatering process
Specialty Products for Tunnel Works
Successful tunnelling drilling projects and the use of support fluids go hand in hand. This refers to slurry shield tunnelling machines with bentonite drilling fluid and earth pressure balanced shield tunnelling machines. Our strong experience in the field of drilling fluids used in special foundations and other geotechnical works allowed us to design and refine a comprehensive range of additives and services, adapted to the specificity of each tunnelling project.
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Tunneling Drilling Fluids
For product specification and recommendations, please send us your request here.