Coupled mechanical and ultrasonic investigation of physical processes in granular gouge layers
Granular materials are abundant in nature, and depending on the external and inter-particle loading conditions, they exhibit complex features and states that are significantly different than the properties of the individual grains. Understanding the particle-scale mechanisms in granular materials that dictate their mechanical behavior is a critical issue in the evaluation of deformation in geotechnical structures and geosystems. In order to monitor and model the behavior of granular materials, particularly the non-accessible layers (e.g., fault gouges), it is important to develop practical ...
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