Debris flows are among the most catastrophic natural phenomena, attracting the interest of
researchers, engineers and government agencies. The complexity of the physical process …

Earth's surface is composed of a staggering diversity of particulate–fluid mixtures: dry to wet,
dilute to dense, colloidal to granular and attractive to repulsive particles. This material variety …

Debris flows are typically a saturated mixture of poorly sorted particles and interstitial fluid,
whose density and flow properties depend strongly on the presence of suspended fine …

The internal deformation within debris flows holds essential information on dynamics and
flow resistance of such mass‐wasting processes. Systematic measurements of velocity …

Surging debris flows are among the most destructive natural hazards, and elucidating the
interaction between coarse‐grained fronts and the trailing liquefied slurry is key to …

The evaluation of forces due to the impact of flow-slides against structures is essential for
both risk assessment and protection structure design. However, the impact process is very …

Size segregation, which is a robust feature of sheared granular mixtures and geophysical
mass flow deposits, is found to diminish in the presence of a viscous fluid. We study this …

Geophysical mass flows impacting flexible barriers can create complex flow patterns and
multiway solid‐fluid‐structure interactions, wherein estimates of impact loads rely …

Retention barriers are a common countermeasure for mitigating the hazards associated with
debris flows. With the aim to regulate sediment transport and retain large boulders, which …

Boulders often accumulate at the fronts of fast-flowing steep creek hazards. To trap these
boulders, slit dams are commonly installed along steep creeks. An outstanding challenge …