Challenges and perspectives in designing engineering structures against debris-flow disaster

Y Huang, B Zhang - European Journal of Environmental and Civil …, 2022 - Taylor & Francis
Debris-flow disaster has caused large casualties and tremendous economic loss. Check
dams, flexible barriers, silt dams and baffle arrays are most used disaster prevention …

The effects of upstream flexible barrier on the debris flow entrainment and impact dynamics on a terminal barrier

H Vicari, CWW Ng, S Nordal, V Thakur… - Canadian …, 2022 - cdnsciencepub.com
The destructive nature of debris flows is mainly caused by flow bulking from entrainment of
an erodible channel bed. To arrest these flows, multiple flexible barriers are commonly …

Assessment of barrier location effect on debris flow based on smoothed particle hydrodynamics (SPH) simulation on 3D terrains

SK Choi, JY Park, DH Lee, SR Lee, YT Kim, TH Kwon - Landslides, 2021 - Springer
Debris flows are one of the perilous landslide-related hazards due to their fast flow velocity,
large impact force, and long runout, in association with poor predictability. Debris-flow …

Numerical simulation of dynamic catastrophe of slope instability in three Gorges reservoir area based on FEM and SPH method

Z Su, G Wang, Y Wang, X Luo, H Zhang - Natural Hazards, 2022 - Springer
Affected by continuous heavy rainfall, a large number of landslide disasters occur every year
in the Three Gorges Reservoir area, which causes serious property loss and casualties. In …

A new DTM-based three-dimensional MPM model for simulating rapid flow-like landslides propagating on curved bed

W Shen, Z Qiao, T Li, P Li, J Li, J Peng - Landslides, 2024 - Springer
Rapid flow-like landslides frequently occur in mountainous regions. To mitigate the disasters
caused by these landslides, it is crucial to develop robust numerical models that can …

Effects of barrier stiffness on debris flow dynamic impact—I: Laboratory flume test

Y Huang, X Jin, J Ji - Water, 2022 - mdpi.com
Debris flows often cause local damage to engineering structures by exerting destructive
impact forces. The debris-flow–deformable-barrier interaction is a significant issue in …

A simple method to evaluate the performance of an intercept dam for debris-flow mitigation

W Liu, S Yan, S He - Engineering Geology, 2020 - Elsevier
This study aimed to establish a simple approach to evaluate the performance of an intercept
dam during a debris-flow event. We applied the two-phase debris-flow model proposed by …

Unsteady overflow behavior of polydisperse granular flows against closed type barrier

B Zhang, Y Huang - Engineering Geology, 2021 - Elsevier
The overflow behavior of polydisperse granular flows against closed type barrier is a crucial
yet poorly understood aspect of multiple-barrier design. We use a robust numerical model …

The effect of the check dam on the sediment transport and control in debris flow events

J Chen, W Zhang, C Cao, H Yin, J Wang, W Li… - Engineering …, 2024 - Elsevier
The implementation of check dams serves as a crucial measure in mitigating debris flow
events, effectively stabilizing sediments and diminishing the magnitude of such occurrences …

The influence of slope gradient and gully channel on the run-out behavior of rockslide-debris flow: an analysis on the Verghereto landslide in Italy

W Shen, M Berti, T Li, A Benini, Z Qiao - Landslides, 2022 - Springer
Rockslide-debris flow may cause catastrophic damages because of its high speed and long
run-out distance. The influences of slope gradient and gully channel on the entrainment …