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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 5 | Copyright
Nat. Hazards Earth Syst. Sci., 14, 1269-1281, 2014
https://doi.org/10.5194/nhess-14-1269-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 23 May 2014

Research article | 23 May 2014

Real-scale investigation of the kinematic response of a rockfall protection embankment

S. Lambert1, A. Heymann1,2,3, P. Gotteland2, and F. Nicot1 S. Lambert et al.
  • 1Irstea, UR ETGR, 2 rue de la papeterie, 38402 St-Martin d'Hères, France
  • 23SR, UJF-INPG-CNRS-UMR5521, DU Grenoble Universités, 38041, currently, FNTP, 3 rue de Berri – 75008 Paris, France
  • 3Razel Society, Groupe Fayat, 3 rue René Razel, Christ de Saclay, 91892 Orsay Cedex, France

Abstract. This paper addresses the response of rockfall protection embankments when exposed to a rock impact. For this purpose, real-scale impact experiments were conducted with impact energies ranging from 200 to 2200 kJ. The structure was composed of a 4 m high cellular wall leaned against a levee. The wall was a double-layer sandwich made from gabion cages filled with either stones or a sand–schredded-tyre mixture. For the first time, sensors were placed in different locations within the structure to measure real-time accelerations and displacements. The test conditions, measurement methods and results are presented in detail. The structure's response is discussed in a descriptive and phenomenological approach and compared with previous real-scale experiments on other types of embankments.

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