Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 15, issue 4
Articles | Volume 15, issue 4
https://doi.org/10.5194/nhess-15-885-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/nhess-15-885-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 4
Research article
 | 
23 Apr 2015
Research article |  | 23 Apr 2015

Impact of rockfalls on protection measures: an experimental approach

J. K. Yuan, Y. R. Li, R. Q. Huang, and X. J. Pei

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Short summary
The impact force is positively exponential to the weight of rockfall and the instantaneous impact velocity of the rockfall approaching the protection measures. The impact velocity is found to be dominated not only by the drop height but also by the shape of rockfall and the length of the platform on the slideway. A great drop height and/or a short platform produces a fast impact velocity. Spherical rockfalls experience a greater impact velocity than cubes and elongated cuboids.
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