Energy Dissipating Devices in Falling Rock Protection Barriers

L. Castanon-Jano, E. Blanco-Fernandez, D. Castro-Fresno, F. Ballester-Muñoz

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19 Citations (Scopus)
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Abstract

Rockfall is a phenomenon which, when uncontrolled, may cause extensive material damage and personal injury. One of the structures used to avoid accidents caused by debris flows or rockfalls is flexible barriers. The energy dissipating devices which absorb the energy generated by rock impact and reduce the mechanical stresses in the rest of the elements of the structure are an essential part of these kinds of structures. This document proposes an overview of the performance of energy dissipating devices, as well as of the role that they fulfil in the barrier. Furthermore, a compilation and a description of the dissipating elements found in the literature are proposed. Additionally, an analysis has been performed of the aspects taken into account in the design, such as experimental (quasi-static and dynamic) tests observing the variation of the behaviour curve depending on the test speed and numerical simulations by means of several finite element software packages.
Original languageEnglish
Pages (from-to)603-619
Number of pages17
JournalRock Mechanics and Rock Engineering
Volume50
Issue number3
Early online date19 Nov 2016
DOIs
Publication statusPublished - Mar 2017
Externally publishedYes

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Bibliographical note

The final publication is available at Springer via http://dx.doi.org/10.1007/s00603-016-1130-x

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

  • Rockfall flexible barrier
  • Energy dissipating device
  • Dynamic behaviour

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