Unexpected departure from seismic laws with largest labquakes on model granular materials

Doanh, T.; Nguyen, Thi Thu Tra

doi:10.1016/j.soildyn.2023.108010

Soil Dynamics and Earthquake Engineering

2023

DOI: 10.1016/j.soildyn.2023.108010

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Unexpected departure from seismic laws with largest labquakes on model granular materials

T. Doanh

Thi Thu Tra Nguyen

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2024

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Statistics of intermittent granular flow from confined tabletop experiments

Petri

2024

Riv. Nuovo Cim.

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It is often said that “granular matter is ubiquitous”. Many natural components and human products look and behave like grains: stones, debris, soils, on the one hand; food, pharmaceuticals, building materials, etc., on the other. However, the physics involved is still poorly understood due to its inherent difficulties. In fact, granular materials are an example of frictional, dissipative, nonlinear, out-of-equilibrium systems. One consequence is that they exhibit, under various circumstances, large and irregular fluctuations, finite size effects, and poor reproducibility (as everyone knows from trying to slowly pour sugar or coffee powder). This article summarizes some experimental results on the response of horizontal grain beds subjected to low rate shear stress. In this case, the response is often intermittent and irregular, the so-called stick–slip regime, and can only be described statistically. Small-scale experiments are the best way to collect the necessary large amount of data and, despite the difference in scale, can provide the basis for a better understanding of larger scale phenomena such as avalanches, landslides and earthquakes.

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Statistics of intermittent granular flow from confined tabletop experiments

Petri

2024

Riv. Nuovo Cim.

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Unexpected departure from seismic laws with largest labquakes on model granular materials

Cited by 1 publication

References 59 publications

Statistics of intermittent granular flow from confined tabletop experiments

Statistics of intermittent granular flow from confined tabletop experiments

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