Impact pressure of debris flow on beam dam

D Wang, Y You, J Liu, H Sun, Z Wang - Journal of Mountain Science, 2023 - Springer
The use of open-type check dams in mountainous areas has become common practice in
order to mitigate the effects of debris flow and extend the service life of engineering …

Quantitative analysis of debris-flow flexible barrier capacity from momentum and energy perspectives

D Song, GGD Zhou, M Xu, CE Choi, S Li, Y Zheng - Engineering geology, 2019 - Elsevier
In-depth understanding of debris-structure interaction is hindered by a lack of physical data
of debris flow impacting structures. This study reports a set of centrifuge experiments …

[PDF][PDF] Laboratory investigation of the impact force of debris flow on a passable structure

AL Yifru, H Vicari, S Nordal… - The XVII European …, 2019 - ecsmge-2019.com
In mountainous regions, debris-flow is one of the natural hazards imposing threats to human
lives and infrastructures. In order to estimate the magnitude of its destructive force, a number …

Velocity attenuation of debris flows and a new momentum-based load model for rigid barriers

RCH Koo, JSH Kwan, CWW Ng, C Lam, CE Choi… - Landslides, 2017 - Springer
Effective design of mitigation measures against debris flow hazards remains a challenging
geotechnical problem. At present, a pseudo-static approach is commonly used for the …

Debris flow impact forces on rigid barriers: existing practice versus DEM numerical results

F Calvetti, CG DI PRISCO, E Vairaktaris - ICONHIC 2016, 2016 - re.public.polimi.it
As is well known, fast landslide risk mitigation is a very crucial issue in the territorial planning
of mountain regions. In this framework the design of mitigation measures like sheltering …

Debris flow overflowing flexible barrier: physical process and drag load characteristics

L Wang, D Song, GGD Zhou, XQ Chen, M Xu, CE Choi… - Landslides, 2022 - Springer
The multiple-barrier mitigation strategy in the debris-flow source area is an effective
approach to inhibit debris-flow entrainment and scale amplification along the flow path …

Mitigation of debris flows—research and practice in Hong Kong

KKS Ho, RCH Koo, JSH Kwan - Environmental & …, 2021 - pubs.geoscienceworld.org
Dense urban development on a hilly terrain coupled with intense seasonal rainfall and
heterogeneous weathering profiles give rise to acute debris-flow problems in Hong Kong …

Debris basin and deflection berm design for fire-related debris-flow mitigation

AB Prochaska, PM Santi… - Environmental & …, 2008 - pubs.geoscienceworld.org
Debris flows are hazardous because of their poor predictability, high impact forces, and
ability to deposit large quantities of sediment in inundated areas. To minimize the risk to …

Large-scale physical modelling study of a flexible barrier under the impact of granular flows

DY Tan, JH Yin, WQ Feng, JQ Qin… - Natural hazards and …, 2018 - nhess.copernicus.org
Flexible barriers are being increasingly applied to mitigate the danger of debris flows.
However, how barriers can be better designed to withstand the impact loads of debris flows …

Influence of deflector on the impact dynamics of debris flow against rigid barrier

CWW Ng, Z Li, YD Wang, H Liu, S Poudyal… - Engineering …, 2023 - Elsevier
A deflector is a structure installed at the crest of a rigid barrier to prevent the over-spilling of
debris flow from damaging the downstream infrastructures and human lives. Despite its clear …