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

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...

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Bibliographic Details
Published in:Natural hazards and earth system sciences 2014-05, Vol.14 (5), p.1269-1281
Main Authors: Lambert, S, Heymann, A, Gotteland, P, Nicot, F
Format: Article
Language:English
Subjects:
Environmental Sciences
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Summary: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.
ISSN:1684-9981
1561-8633
1684-9981
DOI:10.5194/nhess-14-1269-2014