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Publications tagged with [fiber optics]

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<p>Reinforced earth structures are extensively used at the disposal site Longsgraben of the new Semmering base tunnel. These structures were monitored during construction using the observational method according to Eurocode 7. Geodetic measurements to ...
Reference: 10th International Conference on Geosynthetics, 21 - 25 September 2014, Berlin, Germany
<p>In the last two decades, Brillouin distributed fiber-optic sensing has became a widely accepted, mature technology. On the other hand, geotechnical monitoring applications of this technology are still rare, as the fragile fiberoptic and the harsh soil environment ...
Reference: A dissertation submitted to ETH ZURICH for the degree of Doctor of Sciences presented by MICHAEL ITEN Dipl. Bau-Ing. ETH born January 26, 1978 citizen of Unterägeri ZG
<p>Current safety requirements for both construction and operation of tunnels demand reliable monitoring and data processing methods. The conventional techniques of convergence measurements are characterized by intermittent recordings, frequently interrupting ...
Reference: EUROCK’2004 – Salzburg, Austria
<p>From many points of view, fiber optic sensors are the ideal transducers for civil structural monitoring. Being durable, stable and insensitive to external perturbations, they are particularly interesting for the long-term health assessment of civil structures. ...
Reference: 1 st FIG International Symposium on Engineering Surveys for Construction Works and Structural Engineering Nottingham, United Kingdom, 28 June – 1 July 2004
<p>From many points of view, fiber optic sensors are the ideal transducers for civil structural monitoring. Being durable, stable and insensitive to external perturbations, they are particularly interesting for the long-term health assessment of civil structures. ...
Reference: International Journal for Restoration of Buildings and Monuments, Issue 3-4, Pages 301-320, August 2001
<p>This paper presents the measurement principle of the SOFO system as well as examples of application to the monitoring of three tunnels. The Luzzone dam tunnel was excavated using conventional blasting techniques; the SOFO sensors were installed in radial ...
Reference: Reducing Risk in Tunnel Design and Construction, 7-8.12.1998, Basel Switzerland