Assessment of debris flow multiple-surge load model based on the physical process of debris-barrier interaction

D Song, Y Bai, XQ Chen, GGD Zhou, CE Choi… - Landslides, 2022 - Springer
Debris-flow impact load is one of the key parameters for design of engineering
countermeasures. The multiple-surge load model is a remarkable progress in estimating the …

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 …

Experimental study on impact and deposition behaviours of multiple surges of channelized debris flow on a flexible barrier

DY Tan, JH Yin, JQ Qin, ZH Zhu, WQ Feng - Landslides, 2020 - Springer
Debris flow normally occurs after heavy rains in mountainous regions with multiple surges.
Flexible barriers are installed in torrents to intercept debris flows in an early stage. For the …

General equations for landslide-debris impact and their application to debris-flow flexible barrier

D Song, GGD Zhou, XQ Chen, J Li, A Wang, P Peng… - Engineering …, 2021 - Elsevier
The runup height and impact load of landslide debris are the key parameters for design of
debris hazard mitigation structures. However, the movement of obstacle (eg, deformation of …

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 …

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 …

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 …

Effects of barrier stiffness on debris flow dynamic Impact—II: Numerical simulation

Y Huang, X Jin, J Ji - Water, 2022 - mdpi.com
The destructive and impactful forces of debris flow commonly causes local damage to
engineering structures. The effect of a deformable barrier on the impact dynamics is …

Effect of slit size on the impact load against debris-flow mitigation dams

H Hu, GGD Zhou, D Song, KFE Cui, Y Huang… - Engineering …, 2020 - Elsevier
Structural countermeasures such as slit dams and check dams are widely installed in
mountainous regions to mitigate debris-flow hazards. However, current approaches adopted …

New simple method for calculating impact force on flexible barrier considering partial muddy debris flow passing through

DY Tan, JH Yin, WQ Feng, ZH Zhu, JQ Qin… - … of Geotechnical and …, 2019 - ascelibrary.org
Flexible barriers trap large particles and boulders in debris flow but allow slurry and small
particles to pass through. Field tests and real cases indicate that a certain amount of slurry …