Articles | Volume 18, issue 6
Nat. Hazards Earth Syst. Sci., 18, 1811–1823, 2018
https://doi.org/10.5194/nhess-18-1811-2018
Nat. Hazards Earth Syst. Sci., 18, 1811–1823, 2018
https://doi.org/10.5194/nhess-18-1811-2018

Research article 29 Jun 2018

Research article | 29 Jun 2018

The effects of gravel cushion particle size and thickness on the coefficient of restitution in rockfall impacts

Chun Zhu et al.

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Latest update: 04 Dec 2021
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Short summary
Gravel cushions are widely used for rockfall prevention in open-pit mines to absorb energy; the energy-consumption and buffer mechanism of different thicknesses and particle sizes of gravel cushions under the impact effects are studied. A series of laboratory tests for different cushions are conducted, combining the blocks' volume and drop height. It provides a theoretical and practical basis for the wide application of cushion design to control rockfall.
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