Challenges and perspectives in designing engineering structures against debris-flow disaster

Y Huang, B Zhang - European Journal of Environmental and Civil …, 2022 - Taylor & Francis
Debris-flow disaster has caused large casualties and tremendous economic loss. Check
dams, flexible barriers, silt dams and baffle arrays are most used disaster prevention …

Insights from the failure and dynamic characteristics of two sequential landslides at Baige village along the **sha River, China

C Ouyang, H An, S Zhou, Z Wang, P Su, D Wang… - Landslides, 2019 - Springer
The focus of this paper is on two large sequential landslides which formed a dam and the
resulting lake that occurred along the **sha River on October 11 and November 3, 2018 …

Numerical study of granular debris flow run-up against slit dams by discrete element method

GGD Zhou, J Du, D Song, CE Choi, HS Hu, C Jiang - Landslides, 2020 - Springer
Run-up of granular debris flows against slit dams on slopes is a complex process that
involves deceleration, deposition, and discharge. It is imperative to understand the run-up …

Effects of particle size of mono-disperse granular flows impacting a rigid barrier

Y Cui, CE Choi, LHD Liu, CWW Ng - Natural Hazards, 2018 - Springer
Understanding the interaction between complex geophysical flows and barriers remains a
critical challenge for protecting infrastructure in mountainous regions. The scientific …

Impact dynamics of boulder-enriched debris flow on a rigid barrier

CWW Ng, H Liu, CE Choi, JSH Kwan… - Journal of Geotechnical …, 2021 - ascelibrary.org
Boulders entrained in debris flow induce high impact forces on a rigid barrier. In current
design practice, the concentrated load from boulders is estimated using the Hertz equation …

Material point method (MPM) hydro-mechanical modelling of flows impacting rigid walls

S Cuomo, AD Perna, M Martinelli - Canadian Geotechnical …, 2021 - cdnsciencepub.com
The study on impact mechanisms of flow-like landslides against structures is still an open
issue in the scientific literature. Many researchers have so far employed either experiments …

Dry granular flow interaction with dual-barrier systems

CWW Ng, CE Choi, RCH Koo, SR Goodwin… - …, 2018 - icevirtuallibrary.com
Multiple barriers are commonly installed along predicted geophysical flow paths to intercept
large flow volumes. The main criterion for multiple-barrier design is volume retained. The …

Investigation of influence of baffles on landslide debris mobility by 3D material point method

X Li, Q Yan, S Zhao, Y Luo, Y Wu, D Wang - Landslides, 2020 - Springer
In mountainous terrain, landslide debris is a common occurrence around the world that can
potentially result in catastrophic consequences to downstream residents and facilities …

Application of factorization machine with quantum annealing to hyperparameter optimization and metamodel‐based optimization in granular flow simulations

J **ao, K Endo, M Muramatsu… - … for Numerical and …, 2024 - Wiley Online Library
This study examined the applicability of factorization machines with quantum annealing
(FMQA) to the field of landslide risk assessment for two specific black‐box optimization …

On the efficiency of slit-check dams in retaining granular flows

M Marchelli, A Leonardi, M Pirulli, C Scavia - Géotechnique, 2020 - icevirtuallibrary.com
Retention barriers are a common countermeasure for mitigating the hazards associated with
debris flows. With the aim to regulate sediment transport and retain large boulders, which …