1887

Abstract

Summary

The fact that the earth is constantly bombarded by an isotropic flux of cosmic rays has permitted to develop a new detection method that can only look over the observation point, but powerful enough to detect anomalies in front of a tunnel boring machine (TBM) digging a gallery. To do that, a cosmic ray detector, a muons telescope is set up on a TBM, looking towards.

Cosmic radiations generate very short-lived particles in the upper atmosphere, muons, whose diameter is small enough to penetrate the ground to depths of several hundredths of meters. Muons propagate without changing direction and disintegrates when it hits a proton or a neutron. So it’s a mass detector like gamma ray, and is able to measure density variations. It is used to study volcanoes and galleries. Experiments have been occurred in France at Tournemire tunnel and Switzerland in the Mont-Terri underground Laboratory, showing fault and geologic contacts. Since April 2018 a muons telescope is installed on a TBM of the “Grand Paris Express”, moving with the TBM and permanently providing results.

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/content/papers/10.3997/2214-4609.201802533
2018-09-09
2020-04-09
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References

  1. CarboneD., GibertD., MarteauJ., DiamentM., ZuccarelloL; GalichetE.
    (2014), An experiment of muon radiography at Mt Etna (Italy)Geophysical Journal International, Volume 196, Issue 2, 1February2014, Pages 633–643.
    [Google Scholar]
  2. De SloovereP.
    (2015), Détecter toute anomalie en avant d’un tunnel en construction par étude des rayons cosmiques, méthode probable d’avenir, Solscope Lyon 2015, AFTES 2016 Association Française des Travaux En Souterrains
    [Google Scholar]
  3. JourdeK.
    (20116), Un nouvel outil pour mieux comprendre les systèmes volcaniques: la tomographie par muons, application à la Soufrière de Guadeloupe, thèse de doctorat, Institut Physique du Globe sous la direction deMarteauJ. et Gibert. D.
    [Google Scholar]
  4. LesparreN., GibertD., MarteauJ., DéclaisY., CarboneD., GalichetE.
    , (2010), Geophysical muon tomography: feasibility and limits, Geophysical Journal International, Vol. 183, 1348–1361, doi: 10.1111/j.1365‑246X.2010.04790.x..
    https://doi.org/10.1111/j.1365-246X.2010.04790.x [Google Scholar]
  5. LesparreN., GibertD, MarteauJ., NicollinF., CoutantO., KomorowskiJ.-C.
    , (2012), Density muon radiography of La Soufrière of Guadeloupe volcano: comparison with geological, electrical resistivity and gravity data, Geophys. J. Int. (2012)190, 1008–1019, doi: 10.1111/J.1365‑246X.2012.05546.x.
    https://doi.org/10.1111/J.1365-246X.2012.05546.x [Google Scholar]
  6. LesparreN.
    (2015), Les applications géophysiques de la tomographie à l’aide des muons, Rencontres scientifiques et techniques RESIF
    [Google Scholar]
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