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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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NHESS | Articles | Volume 18, issue 11
Nat. Hazards Earth Syst. Sci., 18, 3045-3061, 2018
https://doi.org/10.5194/nhess-18-3045-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Nat. Hazards Earth Syst. Sci., 18, 3045-3061, 2018
https://doi.org/10.5194/nhess-18-3045-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 19 Nov 2018

Research article | 19 Nov 2018

Effects of the impact angle on the coefficient of restitution in rockfall analysis based on a medium-scale laboratory test

Yanhai Wang et al.
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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (18 Sep 2018) by Jean-Philippe Malet
AR by Wei Jiang on behalf of the Authors (28 Sep 2018)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (07 Oct 2018) by Jean-Philippe Malet
AR by Wei Jiang on behalf of the Authors (10 Oct 2018)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (19 Oct 2018) by Jean-Philippe Malet
AR by Wei Jiang on behalf of the Authors (19 Oct 2018)  Author's response    Manuscript
ED: Publish subject to technical corrections (04 Nov 2018) by Jean-Philippe Malet
AR by Wei Jiang on behalf of the Authors (05 Nov 2018)  Author's response    Manuscript
Publications Copernicus
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Short summary
General laws regarding the effect of the impact angle on the coefficients of restitution occur regardless of the test scales and conditions. Increasing the impact angle results in a reduction of Rn, Rv and RE and causes an increase in Rt. The rotation plays an important role in the effect of the impact angle. A higher percentage of kinetic energy converted to rotational energy always induces a higher Rn and a lower Rt. The percentage can be associated with the impact angle and the rock sizes.
General laws regarding the effect of the impact angle on the coefficients of restitution occur...
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