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  3. Tunnels and underground works
Specialized in the execution of comprehensive tunnel projects, construction monitoring, audits, and inspections of the condition and diagnosis of old tunnels. With over 30 years of experience, our expertise focuses on interventions in road, rail, and metro tunnels, currently having supervised and projected over 200 tunnels. Activities related to tunnels include: - Geological, geotechnical, and hydrogeological surveys - Support design - Modeling and analysis using 2D and 3D finite element methods - Monitoring and advisory during the construction phase - Instrumentation and monitoring of the works Diagnosing and predicting the evolution of pathologies in old tunnels allows for the establishment of infrastructure monitoring plans to prevent service interruptions.

Comprehensive Tunnel Projects

Road and railway tunnel projects, using both traditional methods and tunnel boring machines. Excavation, structural support, construction facilities, safety installations, drainage, and self-protection plans. Special tunnel projects include metro station caverns, access galleries, and evacuation routes.

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Finite Element Modeling (2D and 3D)

This technique allows for solving mechanical engineering problems by integrating systems of partial differential equations that, in the case of Finite Element Method (FEM), are converted to a system of algebraic equations, the solution of which is feasible using X86 computer architecture.

Eurogeotecnica has a license for advanced software for both 2D and 3D numerical analysis.

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Tunnel Facilities: Security and Evacuation

The services offered cover all stages of intervention:

  • Ventilation sizing
  • Service and emergency lighting
  • Control and security systems
  • Evacuation: Emergency exits and evacuation galleries
  • Control centers
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Construction Monitoring and Supervision

Through specialized personnel with extensive experience in:

  • Geological examination of the site
  • Analysis of monitoring data
  • Design adjustments according to geological conditions
  • Consultation on construction phases
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Tunnel instrumentation and monitoring

Adapted to each type of problem or need.

  • Design of the monitoring
  • Monitoring and control plan
  • Instrument measurements on the surface and in depth
  • Analysis of the monitoring and actions
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