Case Studies

Frejus Road Tunnel (T4)

Monitoring of an existing tunnel
Summary
Location: Italy
Project type: Tunnel with unreinforced cast-in-place concrete section
Installation period: June 2021

WHY MONITOR?

  • Continuous monitoring of the response evolution of the main structural elements (arch and slab).
  • Localized monitoring in the areas of the tunnel with the highest convergence and in the surrounding zones (Italian side).
  • Real-time assessment of the stress-strain state.

DIAGNOSTIC SERVICES

  • Executive design of the system.
  • Supply and installation assistance.
  • MODEL-DRIVEN service
  • 28 measurement cross-sections.
  • Non-linear FEM modeling of the structure.
  • Definition of warning and alarm thresholds based on damage scenarios and global structural safety assessments.
  • Continuous data processing and activation of a 24/7 alerting service.

MONITORING SYSTEM

MEMS Inclinometers: 448
Local Strain Gauges: 196

portofolio

Case history

Gravagna Viaduct
On-site monitoring during the demolition of the structure
Borratino Viaduct
Piazza Pia Underpass
Monitoring of construction phase effects on civil and monumental buildings
Olympic Footbridge
Monitoring of a pedestrian viaduct
R&D and Innovation

Learn more about the services offered for
Research.

  • University collaboration agreements
  • Laboratory testing/site full-scale testing
  • National and International Research Projects
  • Innovation & Applied Research
  • Scientific Publications
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