Mohr–coulomb criterion - Open Access .click

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How Volume Increases the Mobility of Geophysical Granular Flow: A Unified Rheological Perspective

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Geophysical granular flows, involving rapidly flowing granular materials, can exhibit volume‐enhanced mobility. Lacking a mechanistic understanding of such size effects limits the applications of lab‐scale findings to natural events. Using discrete element method simulations, we find that increasing granular system size suppresses energy ...
Ming Peng +5 more
wiley +1 more source

Stress Transfer From Slow Slip Events to Earthquake Swarms as a Cycle in the Southernmost Ryukyu Subduction Zone

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Recent megathrust earthquakes preceded by slow slip events highlight static stress transfer as a key triggering mechanism. However, there are limited insights into the interplay between static stress transfer and elevated fluid pressure before earthquake triggering.
Sean Kuanhsiang Chen +4 more
wiley +1 more source

Testing the Strength of Buried Surface Hoar Weak Layers Under Combined Compression and Shear Loading

Geophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract We experimentally determined the multiaxial strength of weak layers of buried surface hoar using displacement‐controlled tests under combined normal and shear loading on a custom testing machine. We tested 63 samples from three different weak layers, with strengths ranging from 1 to 10 kPa with considerable scattering. While shear strength was
Jakob Schöttner +7 more
wiley +1 more source

Experimental study on effective stress coefficient of sandstone based on Mohr-Coulomb criterion under hydraulic-mechanical coupling. [PDF]