Influence of debris flow solid fraction on rigid barrier impact

D Song, CWW Ng, CE Choi, GGD Zhou… - Canadian …, 2017 - cdnsciencepub.com
… However, current approaches used to estimate impact load treat debris flow … influence of
interaction between solid and fluid phases on single-surge debris flow impact on a rigid barrier. …

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
Debris flow run-up during impact against a rigid barrier in its flow path may exceed the
design height of the obstacle and over-spill to downstream. The material spilled over the barrier

Dynamic effects induced by the impact of debris flows on protection barriers

M Marchelli, V De Biagi - International journal of protective …, 2019 - journals.sagepub.com
… the impactdebris and the barrier during one surging phenomenon. A discrete element
model models the granular motion and the interaction between the debris and a rigid open barrier

Debris flow impact estimation on a rigid barrier

F Vagnon, A Segalini - Natural Hazards and Earth System …, 2016 - nhess.copernicus.org
debris flow impact against rigid and undrained barrier in order to propose a new formulation
for the estimation of acting force after the flow impact to … on the flow impact, by performing a …

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
… and debris impact on a flexible barrier, this section compares the response of a single flexible
barrier … Furthermore, during debris impact, subsequent flow is strongly influenced by the …

Discrete-element investigation of influence of granular debris flow baffles on rigid barrier impact

RPH Law, CE Choi, CWW Ng - Canadian Geotechnical Journal, 2015 - cdnsciencepub.com
… in front of rigid barriers to dissipate flow energy and reduce the required barrier impact
capacity. Despite the engineering value of baffles, their influence on rigid barrier impact is still not …

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

Y Huang, X Jin, J Ji - Water, 2022 - mdpi.com
… characteristics for modeling structures considered as rigid bodies, whereas the influence of
the deformable barrier stiffness on the impact characteristics has attracted little attention. The …

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
… to investigate the impact of a debris flow on both single and dual flexible barriers installed in
a … V6-B2 indicates that the influence of the upstream flexible barrier has altered the flow and …

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
… To accurately evaluate the load and deformation mechanism of a flexible barrier under
debris flow impact and to study the influence of multiple factors and failure characteristics of …

Quantifying the impact of dry debris flow against a rigid barrier by DEM analyses

W Shen, T Zhao, J Zhao, F Dai, GGD Zhou - Engineering Geology, 2018 - Elsevier
… This model was further employed to examine the influence of barrier slope on the debris-barrier
interactions. Based on the numerical results, three interaction stages were identified, …