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Home » Case study » High speed railways tunnel in Barcelona

High speed railways tunnel in Barcelona

Published on January 23 2017

The main aim of the monitoring in this project is to provide a distributed system able to increase knowledge on the structural behaviors.

Image High speed railways tunnel in Barcelona

In order to perform automatic and centralized monitoring of about 12km of SMARTprofile sensor divided in several sections, the client decided to install the DiTeSt reading unit with a 16 channels optical switch. Measurements can be carried out automatically and without human intervention. All data are stored in the unique database.The sensor has been placed in 5 longitudinal parallel lines in the inner surface of the tunnel. The project concentrates on the periodically continuous, quasi-static monitoring.

Aim of monitoring:
The main aim of the monitoring in this project is to provide a distributed system able to increase knowledge on structural behaviors and to insure safety, monitoring the longitudinal strain of the inner surface of the tunnel. The main monitoring parameter is average strains distribution in 5 longitudinal lines.

INSTALLATION PERIOD TYPE OF SENSORS NUMBER OF SENSORS
2009 -2010 DiTeSt / DiTemp 5
Image

SMARTprofile across the wall and the pillar

Image

Face of the tunnel

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Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

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Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

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Provider of Geotechnical & Structural Instruments
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Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

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Developer & Manufacturer of Fiber Optic Sensors
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Logo Roctest

Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

Logo Smartec

Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

Logo Telemac

Provider of Geotechnical & Structural Instruments
since 1947

Logo Enomfra

Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

Logo Fiso

Developer & Manufacturer of Fiber Optic Sensors
for the Medical, Process Control & Energy Markets

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