Electricite De France

Université Joseph Fourier

Tengate Geosynthetics France

Fiber Optics Sensors & Sensing Systems Bvba

Ten Cate Geosynthetics France

Fiber Optic Sensors & Sensing Systems

Fbgs International Bvba

Marc Voet

Johan Vlekken

Sylvain Blairon

Cyril Guidoux

Jean-Marie Henault

Philippe Delmas

Yves-Henri Faure

Paul Royet

Alain Bernard

Jean-Jacques Fry

Fabrice Daly

Alain Nancey

Els Schoubs

Olivier Artieres

Gauthier Vercoutere

Jan Van Roosbroeck

The invention relates to a device () for detecting and locating fluid leakage from a hydraulic work, the device being characterized in that it comprises a geotextile fabric () made of yarns or fibers and provided with:

Device, system, and method for detecting and locating malfunctions in a hydraulic structure, and a hydraulic structure with said device

A process for locating and measuring deformation in a civil engineering structure wherein at least one geosynthetic fabric () containing a plurality of optical fibers (to) in parallel and capable of transmitting signals is applied in the structure or under the structure. The optical fibers contain Bragg gratings (), evenly spaced in series () of Nconsecutive gratings that correspond to the same wavelength. The series is distributed in identical sets, each of which contains Nconsecutive series that correspond to the different wavelengths, and, in at least two optical fibers, the numbers Nof gratings of a series and the numbers Nof series () of a set () are determined to locate the deformations to which the structure is subjected on the one hand and, on the other, to measure the elongation of the said optical fibers where the deformation occurs.

Method for locating and measuring deformations in a work of civil engineering

Growing community of inventors

Rocles, France

Marc Voet