Articles | Volume 18, issue 11
Nat. Hazards Earth Syst. Sci., 18, 3145–3151, 2018
https://doi.org/10.5194/nhess-18-3145-2018
Nat. Hazards Earth Syst. Sci., 18, 3145–3151, 2018
https://doi.org/10.5194/nhess-18-3145-2018

Brief communication 23 Nov 2018

Brief communication | 23 Nov 2018

Brief Communication: Measuring rock decelerations and rotation changes during short-duration ground impacts

Andrin Caviezel and Werner Gerber

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Cited articles

Altshuler, E., Torres, H., Gonzáalez-Pita, A., Sánchez-Colina, G., Pérez-Penichet, C., Waitukaitis, S., and Hidalgo, R. C.: Settling into dry granular media in different gravities, Geophys. Res. Lett., 41, 3032–3037, 2014. a
Asteriou, P., Saroglou, H., and Tsiambaos, G.: Geotechnical and kinematic parameters affecting the coefficients of restitution for rock fall analysis, Int. J. Rock Mech. Min. Sci., 54, 103–113, 2012. a
Caviezel, A., Bühler, Y., Christen, M., and Bartelt, P.: Induced Rockfall Dataset (Small Rock Experimental Campaign), Tschamut, Grisons, Switzerland; WSL Institute for Snow and Avalanche Research SLF; https://doi.org/10.16904/envidat.37, 2018a. a
Caviezel, A., Bühler, Y., Lu, G., Christen, M., and Bartelt, P.: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering, 25–27 June, Porto (Portugal), 875–886, 2018b. a, b, c
Caviezel, A., Schaffner, M., Cavigelli, L., Niklaus, P., Bühler, Y., Bartelt, P., Magno, M., and Benini, L.: Design and Evaluation of a Low-Power Sensor Device for Induced Rockfall Experiments, IEEE T. Instrum. Meas., 67, 767–779, 2018c. a, b, c, d
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Short summary
Anticipating the flight path of a bouncing object holds fascination for playing children and scientists alike. While the path of a ball can be judged easily, the erratic rebound behavior of complexly shaped forms are intriguing. Here, we focus on the timescales and rotation changes during real rock–ground impacts while traveling down a slope. Specialized sensors inside the rock track those changes and reveal contact times in the millisecond range defining the overall flight path behavior.
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