2009
DOI: 10.1016/j.enggeo.2008.11.006
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Flow experiments with gravel and blocks at small scale to investigate parameters and mechanisms involved in rock avalanches

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Cited by 98 publications
(61 citation statements)
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“…The height of the centre of mass before release (h v , as defined by Davies and McSaveney 1999) has not been the object here of a systematic study but has been considered as one of the factors since it changes along with the fall height and it will be used in the following to analyse the data. According to the results of Manzella and Labiouse (2009), some series of tests have been carried out to verify whether the sharp discontinuity at the toe of the slope could have an influence on propagation introducing a slightly curved slope break. For the 45° slope the sharp angular slope break between the two panels has been replaced by a smooth curve as shown in Fig.…”
Section: Methodsmentioning
confidence: 99%
“…The height of the centre of mass before release (h v , as defined by Davies and McSaveney 1999) has not been the object here of a systematic study but has been considered as one of the factors since it changes along with the fall height and it will be used in the following to analyse the data. According to the results of Manzella and Labiouse (2009), some series of tests have been carried out to verify whether the sharp discontinuity at the toe of the slope could have an influence on propagation introducing a slightly curved slope break. For the 45° slope the sharp angular slope break between the two panels has been replaced by a smooth curve as shown in Fig.…”
Section: Methodsmentioning
confidence: 99%
“…The materials needed for experiments (bricks and support), identical to those used at EPFL [38], have been made available to us as part of the European project Alcotra MASSA. The analysis of several rebounds allows optimizing the values of the numerical parameters by using an error function that characterizes the difference between the actual trajectory of the particle, before and after rebound, and the one restored by the numerical model.…”
Section: Contact Law and Calibration Of Parametersmentioning
confidence: 99%
“…To carry out the modeling of the experiments performed at EPFL [38], we have implemented a specific procedure, currently operational in laboratory, to identify the numerical contact parameters. This procedure consists in analyzing the fall and rebound of a single particle on a horizontal plane, using a device consisting of two synchronized high-speed cameras shooting at 1000 fps.…”
Section: Contact Law and Calibration Of Parametersmentioning
confidence: 99%
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