Review of the mechanisms of debris-flow impact against barriers

S Poudyal, C Choi, D Song, GGD Zhou… - … Conference on Debris …, 2019 - hal.science
Our limited understanding of the mechanisms pertaining to the force exerted by debris flows
on barriers makes it difficult to ascertain whether a design is inadequate, adequate, or over …

Mechanisms of debris flow impact on rigid and flexible barriers

D Song - 2016 - repository.ust.hk
Debris flows carry enormous momentum as they surge downslope and could cause loss of
lives and damage to infrastructure. Structural countermeasures such as rigid and flexible …

Investigation of debris flow impact mechanisms and designs

CWW Ng, S Poudyal, H Liu, A Bhatta… - Progress in Landslide …, 2023 - Springer
Debris flows are catastrophic landslides increasing in severity in recent decades due to the
more frequent and intense rainfall events under climate change. Debris flows pose a serious …

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 …

Design recommendations for single and dual debris flow barriers with and without basal clearance

CWW Ng, CE Choi, H Liu, S Poudyal… - … and Reducing Landslide …, 2021 - Springer
Debris flows pose threats to sustainable development in many countries worldwide,
including China, Japan, Switzerland and USA. To mitigate these flows, rigid and flexible …

Numerical model for the prediction of total dynamic landslide forces on flexible barriers

W Ashwood - 2014 - open.library.ubc.ca
Physical barriers are effective tools in the mitigation of landslide hazards. Numerous case
histories have been reported where flexible barriers have successfully contained debris …

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 …

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 …

New thoughts for impact force estimation on flexible barriers

D Tan, J Yin, J Qin, Z Zhu - Advancing Culture of Living with Landslides …, 2017 - Springer
Flexible barriers have received increasing attention in debris flow control because they are
more economical and easier to install when compared with rigid barriers. However, in the …

Experimental study for the design of flexible barriers under debris flow impact

F Vagnon, AM Ferrero - Landslides and Engineered Slopes …, 2018 - taylorfrancis.com
Debris flows are wide spread phenomena in mountain areas and due to their high velocity
and kinetic energy, are very destructive processes in terms of human life and structures …