Coupled numerical simulation of a flexible barrier impacted by debris flow with boulders in front

L Zhao, JW He, ZX Yu, YP Liu, ZH Zhou, SL Chan - Landslides, 2020 - Springer
Flexible barriers have been widely adopted to mitigate the debris flow disasters. However,
the research on the coupled interaction analysis between flexible barriers and debris flows …

Load-attenuation mechanisms of flexible barrier subjected to bouldery debris flow impact

D Song, CE Choi, CWW Ng, GGD Zhou, JSH Kwan… - Landslides, 2019 - Springer
The impulse load of boulders at the front of debris flows is critical to the design of structural
defense measures, which are commonly constructed on hillsides to mitigate landslide risk …

Quantifying the impact of a debris avalanche against a flexible barrier by coupled DEM-FEM analyses

C Liu, Z Yu, S Zhao - Landslides, 2020 - Springer
Flexible barriers are an effective type of mitigation measure against debris avalanches in
valleys and can affect the kinetic energy and mass of debris avalanches. To investigate the …

Debris flow impact on flexible barrier: effects of debris-barrier stiffness and flow aspect ratio

D Song, GGD Zhou, CE Choi, Y Zheng - Journal of Mountain Science, 2019 - Springer
Conventionally, flexible barriers are rated based on their ability to resist a free-falling
boulder with a particular input energy. However, there is still no well-accepted approach for …

New impact equation using barrier Froude number for the design of dual rigid barriers against debris flows

CWW Ng, U Majeed, CE Choi, W De Silva - Landslides, 2021 - Springer
In the design of multiple rigid barriers, the height of the first barrier governs the impact
dynamics of debris flow on the next barrier in a channel. However, current design …

Advanced numerical analysis of landslide debris mobility and barrier interaction

AKC Cheung, J Yiu, HWK Lam, EHY Sze - HKIE Transactions, 2018 - Taylor & Francis
Mitigation of natural terrain hazards through the use of flexible and rigid barriers has
become a common type of geotechnical work in Hong Kong. The current design approach …

Analytical solution for estimating sliding displacement of rigid barriers subjected to boulder impact

ACY Yong, C Lam, NTK Lam, JS Perera… - Journal of Engineering …, 2019 - ascelibrary.org
Rigid barriers are commonly used as defense measures in hilly areas to contain falling
boulders and landslide debris, and the sliding displacement of these barriers is a key design …

Experimental and numerical study on the load and deformation mechanism of a flexible net barrier under debris flow impact

R Jiang, W Fei, H Zhou, M Huo, J Zhou, J Wang… - Bulletin of Engineering …, 2020 - Springer
High-strength flexible net barriers have achieved a certain effect in mountainous debris flow
prevention, but research on the mechanism of structural stress and deformation is still …

Shallow landslide full-scale experiments in combination with testing of a flexible barrier

L Bugnion, C Wendeler - WIT Transactions on Engineering Sciences, 2010 - witpress.com
Open shallow landslides occur regularly in a wide range of natural terrains. Generally, they
are difficult to predict and result in damages to properties and disruption of transportation …

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 …